Panasonic CS-E7JKEW Service Manual Download Page 95

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16.4.14. H34 (Outdoor Heat Sink Temperature Sensor Abnormality)

Malfunction Decision Conditions

During startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are
used to determine sensor errors.

Malfunction Caused

• Faulty connector connection.
• Faulty sensor.
• Faulty PCB.

Troubleshooting

Summary of Contents for CS-E7JKEW

Page 1: ... 3 CU E9JKE 3 CS E12JKEW 3 CU E12JKE 3 CS XE7JKEW CU E7JKE CS XE9JKEW CU E9JKE CS XE12JKEW CU E12JKE CS XE15JKEW CU E15JKE CS XE7JKEW CU E7JKE 3 CS XE9JKEW CU E9JKE 3 CS XE12JKEW CU E12JKE 3 CS XE15JKEW CU E15JKE 1 TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions 3 2 Specifications 5 Please file and use this manual together with the service manual for Model No CU 2E18CBPG CU 3E23CBPG CU 4E27CBPG O...

Page 2: ...2 9 Auto Restart Control 63 12 10 Indication Panel 64 12 11 Patrol Operation 64 12 12 e ion Operation 66 12 13 Mild Dry Cooling Operation 68 13 Operation Control For Multi Split Connection 69 13 1 Cooling operation 69 13 2 Soft Dry Operation 69 13 3 Heating Operation 69 13 4 Automatic Operation 69 13 5 Indoor Fan Motor Operation 70 13 6 Powerful Mode Operation 70 13 7 Auto restart control 70 13 8 ...

Page 3: ... cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Do not use joint cable for indoor outdoor connection cable Use the specified indoor outdoor connection cable refer to installation instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor outdoor connection Clamp the cable so that no external force will be acted on the terminal If connect...

Page 4: ...melting point than standard solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F 600 C 7 Power supply connection to the air conditioner Connect the power supply cord of the air conditione...

Page 5: ...4300 Running Current A 3 0 3 4 Input Power W 160 635 1 02k 165 740 1 31k COP W W 4 38 4 41 3 92 4 85 4 59 3 82 Kcal hW 3 75 3 80 3 37 4 18 3 95 3 28 Power Factor 92 95 Indoor Noise H L QLo dB A 38 25 22 40 27 24 Power Level dB 54 41 38 56 43 40 Outdoor Noise H L dB A 46 47 Power Level dB 61 62 Low Temp Capacity kW I Power W COP 2 90 900 3 22 3 62 1 16k 3 12 Extr Low Temp Capacity kW I Power W COP ...

Page 6: ...80 30 23 32 870 34 9 32 780 30 23 32 Depth I D O D mm inch 204 8 1 16 289 11 13 32 204 8 1 16 289 11 13 32 Weight Net I D O D kg lb 9 20 33 73 9 20 34 75 Piping Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 6 35 1 4 9 52 3 8 Standard Length m ft 5 16 4 5 16 4 Length Range min max m ft 3 9 8 15 49 2 3 9 8 15 49 2 I D O D Height Different m ft 15 0 49 2 15 0 49 2 Additional Gas Amount g m oz ft...

Page 7: ...nput Power and COP measured at 230 V indoor temperature 20 C outdoor 2 1 C 4 Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 7 8 C 5 Specifications are subjected to change without prior notice for further improvement Dry Bulb Wet Bulb Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum 32 23 32 23 Minimum 16 11 16 11 Heating Maxim...

Page 8: ...ning Current A 5 1 6 9 Input Power W 175 1 09k 1 93k 245 1 46k 2 21k COP W W 4 57 4 04 3 47 3 67 3 70 3 21 Kcal hW 3 94 3 47 2 98 3 14 3 18 2 76 Power Factor 93 92 Indoor Noise H L QLo dB A 42 33 30 43 35 32 Power Level dB 58 49 46 59 51 48 Outdoor Noise H L dB A 50 46 Power Level dB 65 61 Low Temp Capacity kW I Power W COP 4 85 1 67k 2 90 5 14 1 96k 2 62 Extr Low Temp Capacity kW I Power W COP 3 ...

Page 9: ...2 780 30 23 32 870 34 9 32 875 34 15 32 Depth I D O D mm inch 204 8 1 16 289 11 13 32 204 8 1 16 345 13 19 32 Weight Net I D O D kg lb 9 20 34 75 9 20 48 106 Piping Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 6 35 1 4 12 70 1 2 Standard Length m ft 5 16 4 5 16 4 Length Range min max m ft 3 9 8 15 49 2 3 9 8 15 49 2 I D O D Height Different m ft 15 0 49 2 15 0 49 2 Additional Gas Amount g m ...

Page 10: ...ut Power and COP measured at 230 V indoor temperature 20 C outdoor 2 1 C 4 Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 7 8 C 5 Specifications are subjected to change without prior notice for further improvement Dry Bulb Wet Bulb Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum 32 23 32 23 Minimum 16 11 16 11 Heating Maximum...

Page 11: ... Running Current A 3 0 3 4 Input Power W 160 635 1 02k 165 740 1 31k COP W W 4 38 4 41 3 92 4 85 4 59 3 82 Kcal hW 3 75 3 80 3 37 4 18 3 95 3 28 Power Factor 92 95 Indoor Noise H L QLo dB A 38 25 22 40 27 24 Power Level dB 54 41 38 56 43 40 Outdoor Noise H L dB A 46 47 Power Level dB 61 62 Low Temp Capacity kW I Power W COP 2 90 900 3 22 3 62 1 16k 3 12 Extr Low Temp Capacity kW I Power W COP 2 35...

Page 12: ...0 23 32 870 34 9 32 780 30 23 32 Depth I D O D mm inch 204 8 1 16 289 11 13 32 204 8 1 16 289 11 13 32 Weight Net I D O D kg lb 9 20 33 73 9 20 34 75 Piping Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 6 35 1 4 9 52 3 8 Standard Length m ft 5 16 4 5 16 4 Length Range min max m ft 3 9 8 15 49 2 3 9 8 15 49 2 I D O D Height Different m ft 15 0 49 2 15 0 49 2 Additional Gas Amount g m oz ft 20 ...

Page 13: ...Power and COP measured at 230 V indoor temperature 20 C outdoor 2 1 C 4 Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 7 8 C 5 Specifications are subjected to change without prior notice for further improvement Dry Bulb Wet Bulb Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum 32 23 32 23 Minimum 16 11 16 11 Heating Maximum 30...

Page 14: ... 5760 Running Current A 5 1 Input Power W 175 1 09k 1 93k COP W W 4 57 4 04 3 47 Kcal hW 3 94 3 47 2 98 Power Factor 93 Indoor Noise H L QLo dB A 42 33 30 Power Level dB 58 49 46 Outdoor Noise H L dB A 50 Power Level dB 65 Low Temp Capacity kW I Power W COP 4 85 1 67k 2 90 Extr Low Temp Capacity kW I Power W COP 3 75 1 68k 2 23 Max Current A Max Input Power W 8 9 1 93k Starting Current A 5 1 Compr...

Page 15: ... 7 16 540 21 9 32 Width I D O D mm inch 870 34 9 32 780 30 23 32 Depth I D O D mm inch 204 8 1 16 289 11 13 32 Weight Net I D O D kg lb 9 20 34 75 Piping Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 Standard Length m ft 5 16 4 Length Range min max m ft 3 9 8 15 49 2 I D O D Height Different m ft 15 0 49 2 Additional Gas Amount g m oz ft 20 0 2 Length for Additional Gas m ft 7 5 24 6 Drain Ho...

Page 16: ...ulb 3 Heating low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 2 1 C 4 Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 7 8 C 5 Specifications are subjected to change without prior notice for further improvement Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum 32 23 Minimum 16 11 Hea...

Page 17: ...5850 Running Current A 6 6 Input Power W 185 1 44k 1 94k COP W W 4 32 3 68 3 51 Kcal hW 3 73 3 17 3 02 Power Factor 95 Indoor Noise H L QLo dB A 43 35 32 Power Level dB 59 51 48 Outdoor Noise H L dB A 51 Power Level dB 66 Low Temp Capacity kW I Power W COP 4 92 1 72k 2 86 Extr Low Temp Capacity kW I Power W COP 3 94 1 83k 2 15 Max Current A Max Input Power W 9 0 1 94k Starting Current A 6 6 Compre...

Page 18: ...0 11 7 16 540 21 9 32 Width I D O D mm inch 870 34 9 32 780 30 23 32 Depth I D O D mm inch 204 8 1 16 289 11 13 32 Weight Net I D O D kg lb 9 20 34 75 Piping Pipe Diameter Liquid Gas mm inch 6 35 1 4 12 7 1 2 Standard Length m ft 5 16 4 Length Range min max m ft 3 9 8 15 49 2 I D O D Height Different m ft 15 49 2 Additional Gas Amount g m oz ft 20 0 2 Length for Additional Gas m ft 7 5 24 6 Drain ...

Page 19: ... Bulb 3 Heating low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 2 1 C 4 Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 7 8 C 5 Specifications are subjected to change without prior notice for further improvement Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum 32 23 Minimum 16 11 H...

Page 20: ...s air conditioning of up to two separate rooms for CU 2E15GBE CU 2E18CBPG A single outdoor unit enables air conditioning of up to three separate rooms for CU 3E18EBE CU 3E23CBPG A single outdoor unit enables air conditioning of up to four separate rooms for CU 4E27CBPG ...

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Page 26: ... Long Installation Piping Long piping up to 15 meters during single split connection only Easy to use remote control Quality Improvement Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect Compressor Noise prevention during soft dry operation Operation Improvement Quiet mode to reduce the indoor uni...

Page 27: ...27 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Page 28: ...28 5 Dimensions 5 1 Indoor Unit ...

Page 29: ...29 5 2 Outdoor Unit 5 2 1 CU E7JKE CU E9JKE CU E12JKE CU E15JKE 1 CU E7JKE 3 CU E9JKE 3 CU E12JKE 3 5 2 2 CU E15JKE ...

Page 30: ...30 6 Refrigeration Cycle Diagram 6 1 CU E7JKE CU E9JKE CU E12JKE CU E15JKE 1 ...

Page 31: ...31 6 2 CU E7JKE 3 CU E9JKE 3 CU E12JKE 3 ...

Page 32: ...32 6 3 CU E15JKE ...

Page 33: ...33 7 Block Diagram 7 1 CU E7JKE CU E9JKE CU E12JKE CU E15JKE 1 ...

Page 34: ...34 7 2 CU E7JKE 3 CU E9JKE 3 CU E12JKE 3 ...

Page 35: ...35 7 3 CU E15JKE ...

Page 36: ...36 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Page 37: ...37 8 2 Outdoor Unit 8 2 1 CU E7JKE CU E9JKE CU E12JKE ...

Page 38: ...38 8 2 2 CU E15JKE ...

Page 39: ...39 8 2 3 CU E7JKE 3 CU E9JKE 3 CU E12JKE 3 ...

Page 40: ...40 8 2 4 CU E15JKE 1 ...

Page 41: ...41 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Page 42: ...42 9 2 Outdoor Unit 9 2 1 CU E7JKE CU E9JKE CU E12JKE ...

Page 43: ...43 9 2 2 CU E15JKE ...

Page 44: ...44 9 2 3 CU E7JKE 3 CU E9JKE 3 CU E12JKE 3 ...

Page 45: ...45 9 2 4 CU E15JKE 1 ...

Page 46: ...46 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 47: ...47 10 1 2 Power Printed Circuit Board 10 1 3 Indicator Printed Circuit Board ...

Page 48: ...48 10 1 4 Receiver Printed Circuit Board 10 1 5 High Voltage Power Supply Printed Circuit Board ...

Page 49: ...49 10 2 Outdoor Unit 10 2 1 CU E7JKE CU E9JKE CU E12JKE CU E15JKE 1 ...

Page 50: ...50 10 2 2 CU E15JKE ...

Page 51: ...51 10 2 3 CU E7JKE 3 CU E9JKE 3 CU E12JKE 3 ...

Page 52: ...condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over the piping length for additional gas additional refrigerant should be added as shown in the table Exa...

Page 53: ...ø70 mm hole core drill Line according to the left and right side of the installation plate The meeting point of the extended line is the center of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 128 mm for left and right hole respectively Drill the piping hole at either the right or the left...

Page 54: ...54 1 For the right rear piping 2 For the right and right bottom piping 3 For the embedded piping This can be used for left rear piping and bottom piping also ...

Page 55: ...holder clamper This equipment must be properly earthed Ensure the colour of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth wire shall be Yellow Green Y G in colour and longer than other AC wires for safety reason CUTTING AND FLARING THE PIPING 1 Please cut using pipe cutter and then remove the burrs 2 Remove the burrs by using reamer If burrs is not remo...

Page 56: ...o Outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut located at valve onto the copper pipe Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table Connecting the Piping to Outdoor Multi Decide piping length and then cut by using pipe cutter Remove burrs from cu...

Page 57: ...OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage 11 3 4 Connect the Cable to the Outdoor Unit 1 Remove the control board cover from the unit by loosening the screw 2 Cable connection to the power supply through Isolating Devices Disconnecting means Connect approved type polychloroprene sheathed power supply cord 3 x 1 5...

Page 58: ...onnecting means should have minimum 3 0 mm contact gap Earth wire shall be Yellow Green Y G in colour and longer than other AC wires for safety reason 11 3 5 Pipe Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting...

Page 59: ...e depending on the air conditioner settings and the operation environment The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 12 1 2 Cooling Operation 12 1 2 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 1 5 C Compressor is ON after waiting for 3 m...

Page 60: ... the value of T1 will increase up to 10 C T2 will decrease by 3 C and T3 will decrease up to 8 C The Auto Operation Mode shifting will take place whenever operation mode changed from Cool Soft Dry to Heating or vice versa 12 2 Indoor Fan Motor Operation A Basic Rotation Speed rpm i Manual Fan Speed Cooling Dry Fan motor s number of rotation is determined according to remote control setting Heating...

Page 61: ...rflow vertical airflow directed by horizontal vane and horizontal airflow directed by vertical vanes 2 Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 12 4 1 Vertical Airflow 1 Automatic vertical airflow direction can be set usi...

Page 62: ...d operation is shifted to normal operation with previous setting 3 When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed 4 When operation mode is changed quiet operation is shifted to quiet operation of the new mode 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised C Control cont...

Page 63: ...han remote control setting temperature for 20 minutes to achieve the setting temperature quickly 12 8 Timer Control 12 8 1 ON Timer Control ON timer can be set using remote control the unit with timer set will start operate earlier than the setting time This is to provide a comfortable environment when reaching the set ON time 60 minutes before the set time indoor at fan speed of Lo and outdoor fa...

Page 64: ...on When the unit operation is started with OFF ON button When the unit stops Patrol button is pressed Patrol individual operation will start During cooling only operation Patrol button is pressed b Patrol operation stop condition When any of the following condition is fulfilled When OFF ON button is pressed During any operation with Patrol Patrol button is pressed again When e ion button is presse...

Page 65: ...lt High 3 Confirm setting by pressing Timer Set button LCD returned to original display after 2 seconds 4 LCD returned to original display if remote control does not operate for 30 seconds b e ion Control When dirtiness level is 1 or 2 e ion operation starts If dirtiness level improves from level 2 to level 1 the unit carries out level change after 60 seconds When dirtiness level returns to level ...

Page 66: ...or feedback is 0V or 5V continuous for 6 hours Patrol sensor error occurs However the error will display only when the Patrol operation is ON Patrol Sensor Control after error occurs During any operation mode combines with Patrol operation Power supply to Patrol sensor is OFF Air conditioner normal mode operation continues with Patrol LED and Timer LED blinking and H58 is indicated Timer LED will ...

Page 67: ...n follows respective operation mode During e ion individual operation only Auto Air Swing is allowed Even if Air Swing button is pressed no signal is sent to air conditioner and no change on LCD display c Timer control When ON timer activates when unit stops previous operation resumes and restores last saved e ion operation status When ON timer activates during any operation no change and carry on...

Page 68: ...wer supply damage Operations except e ion continue Both Timer indicator and e ion indicator blink Troubleshooting Method Press e ion button or OFF ON button to stop the operation Change main circuit board or filter s high voltage power supply When lo feedback voltage supplied to e ion Air Purifying system during e ion operation e ion indicator and Timer indicator stop blinking 12 13 Mild Dry Cooli...

Page 69: ... to indoor unit after waiting for 3 minutes if the Intake Air Temperature Internal setting temperature Capability supply OFF point 13 3 2 Temperature Sampling Control Temperature sampling is controlled by outdoor unit where room temperature for all power supply ON indoor unit could be obtained When capability supply to the indoor unit is OFF and the compressor is ON the indoor fan motor is stopped...

Page 70: ...ction Indoor unit will resume previous mode include unit standby mode 13 8 Indication Panel Note If POWER LED is blinking 0 5 seconds ON 0 5 second OFF the possible operation of the unit are during Indoor Residual Heat Removal Hot Start during Deice operation operation mode judgment or ON timer sampling If POWER LED is blinking 2 5 seconds ON 0 5 second OFF the unit is in standby mode If TIMER LED...

Page 71: ...ructed will be increased 3 However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3 minutes 4 The first 30 minutes of cooling operation A will be applied 14 1 4 IPM Power transistor Prevention Control A Overheating Prevention Control 1 When the IPM temperature rises to 100 C compressor operation will stop immediately 2 Compressor operation restarts...

Page 72: ... temperature indoor piping temperature is below 4 C During Heating operations Indoor piping temperature indoor suction is under 5 C b Control contents Compressor stops and restart after 3 minutes If the conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 14 1 7 Low Frequency Protection Control 1 When the compressor operate at frequency ...

Page 73: ...ill be higher than during its normal operation 4 If indoor heat exchanger temperature is higher than 5 C for 5 minutes the fan speed will return to its normal operation 14 2 4 Freeze Prevention Control 2 1 Control start conditions During Cooling operation and soft dry operation During thermo OFF condition indoor intake temperature is less than 10 C or Compressor stops for freeze prevention control...

Page 74: ...ure Control The Max current value is regulated when the outdoor air temperature rise above 16 C in order to avoid compressor overloading 14 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below If the heat exchanger temperature exceeds 60 C compressor will stop 14 3 4 Low Temperature Compressor Oil Return C...

Page 75: ...on 3 REMOTE CONTROL NUMBER SWITCH MODE The Remote Control Number Switch Mode will be activated if the Auto OFF ON button is pressed continuously for more than 11 seconds 3 beep sounds will occur at 11th seconds to identify the Remote Control Number Switch Mode is in standby condition and press AC RESET button and then press any button at remote control to transmit and store the desired transmissio...

Page 76: ...ds by using pointer Press TIMER SET button until a beep sound is heard as confirmation of transmission code changed To change the air quality sensor sensitivity Press and release by using pointer Press the Timer Decrement button to select sensitivity 1 Low Sensitivity 2 Standard Default 3 Hi Sensitivity Confirm setting by pressing Timer Set button a Beep sound will be heard LCD returns to original...

Page 77: ... problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Page 78: ...es after an operation is started Cooling Mode Heating Mode Low Pressure High Pressure Electric current during operating Low Pressure High Pressure Electric current during operating Condition of the air conditioner Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression ...

Page 79: ... display memorized error Protective operation status 1 Turn power on 2 Press the CHECK button on the remote controller continuously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal w...

Page 80: ...ger temperature sensor lead wire and connector H25 Indoor E Ion abnormality Port is ON for 10s during E Ion off E Ion PCB H27 Outdoor air temperature sensor abnormality Continuous for 5s Outdoor air temperature sensor open or short circuit Outdoor air temperature sensor lead wire and connector H28 Outdoor heat exchanger temperature sensor 1 abnormality Continuous for 5s Outdoor heat exchanger temp...

Page 81: ...es happen within 40 minutes Wrong wiring and connecting pipe expansion valve leakage indoor heat exchanger sensor open circuit Check indoor outdoor connection wire and pipe Indoor heat exchanger sensor lead wire and connector Expansion valve lead wire and connector F90 Power factor correction PFC circuit protection 4 times happen within 10 minutes Power factor correction circuit abnormal Outdoor P...

Page 82: ...transmission is checked whether it is normal Malfunction Caused Faulty indoor unit PCB Faulty outdoor unit PCB Indoor unit outdoor unit signal transmission error due to wrong wiring Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units Indoor unit outdoor unit signal transmission error due to disturbed power supply w...

Page 83: ...are interconnected Malfunction Caused Wrong models interconnected Wrong indoor unit or outdoor unit PCBs mounted Indoor unit or outdoor unit PCBs defective Indoor outdoor unit signal transmission error due to wrong wiring Indoor outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor and outdoor units Troubleshooting ...

Page 84: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 85: ...n Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 86: ...ions A current transformer CT is detected by checking the compressor running frequency rated frequency and CT detected input current less than 0 65A for continuously 20 seconds Malfunction Caused CT defective Outdoor PCB defective Compressor defective low compression Troubleshooting ...

Page 87: ...etermine abnormal fan motor feedback of rotation 2550rpm or 50rpm Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty indoor unit PCB Troubleshooting ...

Page 88: ... Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 89: ...m Abnormal Malfunction Decision Conditions During standby of cooling and heating operation e ion breakdown occurs and air conditioner stops operation Malfunction Caused Faulty indoor main PCB Faulty indoor e ion power module Troubleshooting ...

Page 90: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 91: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 92: ...tion Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sen sor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 93: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 94: ...alfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused Wrong models interconnected Wrong indoor unit and outdoor unit PCBs used Indoor unit or outdoor unit PCB defective Troubleshooting ...

Page 95: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 96: ...Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 97: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 98: ...lity Malfunction Decision Conditions If Patrol sensor feedback is 0V or 5V continuous for 6 hours Error will display only when the Patrol operation is ON Malfunction Caused Faulty connector connection Faulty Patrol sensor Troubleshooting ...

Page 99: ...eration is used to determine abnormal fan motor Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty outdoor unit PCB Troubleshooting ...

Page 100: ...During heating operation the temperature detected by the indoor pipe temperature sensor is above 60 C Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger Air short circuit Detection error due to faulty indoor pipe temperature sensor Detection error due to faulty indoor unit PCB Troubleshooting ...

Page 101: ... Decision Conditions Freeze prevention control takes place when indoor pipe temperature is lower than 2 C Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger Air short circuit Detection error due to faulty indoor pipe temperature sensor Detection error due to faulty indoor unit PCB Troubleshooting ...

Page 102: ...Conditions When heating operation when indoor pipe temperature is below 10 C When cooling operation when indoor pipe temperature is above 45 C Malfunction Caused Connector in poor contact Faulty sensor Faulty outdoor unit PCB 4 way valve defective Troubleshooting ...

Page 103: ...erature and indoor pipe temperature is above 10 C or indoor pipe temperature is below 1 0 C Remark When the indoor standby unit is freezing the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit s Malfunction Caused Wrong wiring connection Faulty sensor Faulty expansion valve Troubleshooting ...

Page 104: ...operation of cooling and heating when Power Factor Correction PFC protection circuitry at the outdoor unit main PCB senses abnormal high DC voltage level Malfunction Caused DC voltage peak due to power supply surge DC voltage peak due to compressor windings not uniform Faulty outdoor PCB Troubleshooting ...

Page 105: ...by checking the CT detected input current value and the compressor running frequency During startup and operating of cooling and heating input current 8 78 256 A Hz x compressor running frequency 0 25 Gas shortage detection 2 A gas shortage is detected by checking the difference between indoor pipe temperature and indoor intake air temperature during cooling and heating Malfunction Caused Refriger...

Page 106: ...alfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disconnect Outdoor PCB malfunction Troubleshooting ...

Page 107: ...s detected by the outdoor pipe temperature sensor Malfunction Caused Outdoor pipe temperature rise due to short circuit of hot discharge air flow Outdoor pipe temperature rise due to defective of outdoor fan motor Outdoor pipe temperature rise due to defective outdoor pipe temperature sensor Outdoor pipe temperature rise due to defective outdoor unit PCB Troubleshooting ...

Page 108: ...vated Heat Sink Overheating During operation of cooling and heating when heat sink temperature data 90 C is detected by the heat sink temperature sensor Malfunction Caused IPM overheats due to short circuit of hot discharge air flow IPM overheats due to defective of outdoor fan motor IPM overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor M...

Page 109: ...ion of cooling and heating when compressor tank temperature data 112 C is detected by the compressor tank temperature sensor Malfunction Caused Refrigerant shortage refrigerant leakage 2 3 way valve closed Detection error due to faulty compressor tank temperature sensor Troubleshooting ...

Page 110: ...s detected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Over current due to compressor failure Over current due to defective outdoor unit PCB Over current due to defective inverter main circuit electrolytic capacitor Over current due to excessive refrigerant Troubleshooting ...

Page 111: ...tdoor unit PCB Troubleshooting Checking the power transistor Never touch any live parts for at least 10 minutes after turning off the circuit breaker If unavoidable necessary to touch a live part make sure the power transistor s supply voltage is below 50V using the tester For the UVW make measurement at the Faston terminal on the board of the relay connector Tester s negative terminal Power trans...

Page 112: ... Removal Procedures 17 1 1 To remove front grille 17 1 2 To remove power electronic controller High voltages are generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks ...

Page 113: ...113 17 1 3 To remove discharge grille ...

Page 114: ...114 17 1 4 To remove control board 17 1 5 To remove cross flow fan and indoor fan motor ...

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Page 116: ... Caution When handling electronic controller be careful of electrostatic discharge 1 Remove the 3 screws of the Top Panel Fig 1 2 Remove the 6 screws of the Front Panel Fig 2 3 Remove the screw of the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 ...

Page 117: ...ove the 10 screws of the Front Panel Fig 2 3 Remove the Top Cover of the Electronic Controller Fig 3 4 Remove the Control Board Fig 4 5 Remove the 8 screws of the Electronic Controller Fig 5 Caution When handling electronic controller be careful of electrostatic discharge ...

Page 118: ...118 18 Technical Data 18 1 Operation Characteristics 18 1 1 CU E7JKE ...

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Page 150: ...40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 3 47 2 63 0 83 3 24 2 52 0 89 3 02 2 43 0 95 2 74 2 30 1 03 19 0 C 3 50 0 91 19 5 C 3 81 2 76 0 84 3 56 2 65 0 91 3 31 2 55 0 97 3 01 2 43 1 05 22 0 C 4 15 2 86 0 86 3 88 2 75 0 92 3 61 2 65 0 99 3 28 2 53 1 07 230V Outdoor Temp C Indoor wet bulb temp 30 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 4 17 3 16 1 12 3 89 3 03 1 20 3 62 2...

Page 151: ...9 Exploded View and Replacement Parts List 19 1 Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 152: ... POWER 1 CWA745322 O 25 ELECTRONIC CONTROLLER INDICATOR 1 CWA745479 O 26 INDICATOR HOLDER 1 CWD933021 27 SENSOR COMPLETE 1 CWA50C2401 O 28 CONTROL BOARD FRONT COVER 1 CWH13C1183 29 CONTROL BOARD TOP COVER 1 CWH131350 30 LEAD WIRE COMP A S MOTOR 1 31 REMOTE CONTROL COMPLETE 1 CWA75C3229 O 32 FRONT GRILLE COMPLETE 1 CWE11C4154 O 33 INTAKE GRILLE COMPLETE 1 CWE22C1507 34 GRILLE DOOR COMPLETE 1 CWE14C...

Page 153: ... are supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock 54 INSTALLATION INSTRUCTIONS 1 REF NO PART NAME DESCRIPTION QTY CS E7JKEW CS E9JKEW CS E12JKEW CS E15JKEW REMARKS ...

Page 154: ...ER POWER 1 CWA745322 O 25 ELECTRONIC CONTROLLER INDICATOR 1 CWA745479 O 26 INDICATOR HOLDER 1 CWD933021 27 SENSOR COMPLETE 1 CWA50C2401 O 28 CONTROL BOARD FRONT COVER 1 CWH13C1183 29 CONTROL BOARD TOP COVER 1 CWH131350 30 LEAD WIRE COMP A S MOTOR 1 31 REMOTE CONTROL COMPLETE 1 CWA75C3229 O 32 FRONT GRILLE COMPLETE 1 CWE11C4173 O 33 INTAKE GRILLE COMPLETE 1 CWE22C1482 34 GRILLE DOOR COMPLETE 1 CWE1...

Page 155: ...pplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock 54 INSTALLATION INSTRUCTIONS 1 CWF613877 REF NO PART NAME DESCRIPTION QTY CS XE7JKEW CS XE9JKEW CS XE12JKEW CS XE15JKEW REMARKS ...

Page 156: ... O 25 ELECTRONIC CONTROLLER INDICATOR 1 CWA745479 O 26 INDICATOR HOLDER 1 CWD933021 27 SENSOR COMPLETE 1 CWA50C2401 O 28 CONTROL BOARD FRONT COVER 1 CWH13C1183 29 CONTROL BOARD TOP COVER 1 CWH131350 30 LEAD WIRE COMP A S MOTOR 1 31 REMOTE CONTROL COMPLETE 1 CWA75C3229 O 32 FRONT GRILLE COMPLETE 1 CWE11C4154 O 33 INTAKE GRILLE COMPLETE 1 CWE22C1507 34 GRILLE DOOR COMPLETE 1 CWE14C1029 35 E ION FILT...

Page 157: ...re supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock 54 INSTALLATION INSTRUCTIONS 1 CWF613877 REF NO PART NAME DESCRIPTION QTY CS E7JKEW 3 CS E9JKEW 3 CS E12JKEW 3 REMARKS ...

Page 158: ... 2 1 CU E7JKE CU E9JKE CU E12JKE CU E15JKE 1 CU E7JKE 3 CU E9JKE 3 CU E12JKE 3 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 159: ...ING 1 CWH351023 16 2 WAYS VALVE LIQUID 1 CWB021301 O 17 3 WAYS VALVE GAS 1 CWB011374 CWB011367 O 19 REACTOR 1 G0C193J00003 G0C193J00002 G0C193J00004 O 20 TERMINAL COVER 1 CWH171039A 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151172 23A SOUND PROOF MATERIAL 1 CWG302443 CWG302292 23B SOUND PROOF MATERIAL 1 CWG302293 24 SENSOR COMPLETE 1 CWA50C2205 O 25 CONTROL BOARD COVER 1 CWH131...

Page 160: ...H351023 16 2 WAYS VALVE LIQUID 1 CWB021301 O 17 3 WAYS VALVE GAS 1 CWB011374 O 19 REACTOR 1 G0C193J00003 G0C193J00004 O 20 TERMINAL COVER 1 CWH171039A 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151172 23A SOUND PROOF MATERIAL 1 CWG302316 23B SOUND PROOF MATERIAL 1 CWG302317 23C SOUND PROOF MATERIAL 1 CWG302315 24 SENSOR COMPLETE 1 CWA50C2205 O 25 CONTROL BOARD COVER 1 CWH131264 ...

Page 161: ...161 19 2 2 CU E15JKE Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 162: ...7 1 H W C 1 R E V O C L A N I M R E T 3 2 J 0 0 3 0 8 0 7 H W C 1 R E V O C L A N I M R E T T U N 4 2 5 8 1 2 C 0 5 A W C 1 P O T P M O C E T E L P M O C R O S N E S 5 2 J 8 6 1 2 C 3 4 A W C 1 E V L A V S Y A W 4 E T E L P M O C L I O C V 7 2 J 8 5 0 2 C 3 4 A W C 1 E V L A V D N A P X E E T E L P M O C L I O C V 8 2 0 8 1 2 C 0 5 A W C 1 C S I D P M O C E T E L P M O C R O S N E S 9 2 1 8 1 2 C ...

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