Panasonic CS-E12QD3EAW Service Manual Download Page 80

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15.5.22 F97 (Compressor Overheating)

Malfunction Decision Conditions

During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the

compressor tank temperature sensor.

Malfunction Caused

Faulty compressor tank temperature sensor

2/3 way valve closed

Refrigerant shortage (refrigerant leakage)

Faulty outdoor unit PCB

Faulty

compressor

Troubleshooting

AMP Air Conditioning

www.ampair.co.uk | [email protected]

Summary of Contents for CS-E12QD3EAW

Page 1: ...stallation or repairing of refrigerant circuit This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced profession...

Page 2: ...ontrol 49 13 1 Protection Control For All Operations 49 13 2 Protection Control For Cooling Soft Dry Operation 50 13 3 Protection Control For Heating Operation 52 14 Servicing Mode 53 14 1 TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE 53 15 Troubleshooting Guide 54 15 1 Refrigeration Cycle System 54 15 2 Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Curre...

Page 3: ...rth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may 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 Cl...

Page 4: ...sy for maintenance 6 Pb free solder has a higher 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 room air condition...

Page 5: ...3 40 dB A H L Q Lo 47 47 Cooling Outdoor Noise H L Power Level dB 62 62 kW 0 85 4 00 5 10 0 85 4 00 5 10 BTU h 2900 13600 17400 2900 13600 17400 Capacity kcal h 730 3440 4390 730 3440 4390 Running Current A 5 60 5 30 Input Power W 230 1 17k 1 60k 230 1 17k 1 60k W W 3 70 3 42 3 19 3 70 3 42 3 19 BTU hW 12 61 11 62 10 88 12 61 11 62 10 88 COP kcal hW 3 17 2 94 2 74 3 17 2 94 2 74 Pdesign kW 2 8 Tbi...

Page 6: ... 173 QLo Heat m 3 min ft 3 min 5 1 180 Cool m 3 min ft 3 min 5 5 194 Lo Heat m 3 min ft 3 min 6 1 215 Cool m 3 min ft 3 min 7 4 261 Me Heat m 3 min ft 3 min 8 2 289 Cool m 3 min ft 3 min 9 3 330 Hi Heat m 3 min ft 3 min 10 4 365 Cool m 3 min ft 3 min 10 3 363 Indoor Airflow SHi Heat m 3 min ft 3 min 11 0 388 Cool m 3 min ft 3 min 36 0 1270 Outdoor Airflow Hi Heat m 3 min ft 3 min 32 4 1145 Control...

Page 7: ...ximum C 30 Indoor Operation Range Heating Minimum C 16 Maximum C 43 26 Cooling Minimum C 10 Maximum C 24 18 Outdoor Operation Range Heating Minimum C 10 1 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor...

Page 8: ...ength m 20 20 25 25 Allowable elevation m 10 10 15 15 Total allowable pipe length m 30 30 50 60 Total pipe length for maximum chargeless length m 20 20 30 30 Pipe length Additional gas amount over chargeless length g m 15 15 20 20 Note Available Remarks for CU 2E15PBE CU 2E18PBE 1 At least two indoor units must be connected 2 The total nominal cooling capacity of indoor units that will be connecte...

Page 9: ... m 25 25 Allowable elevation m 15 15 Total allowable pipe length m 70 80 Total pipe length for maximum chargeless length m 45 45 Pipe length Additional gas amount over chargeless length g m 20 20 Note Available Remarks for CU 4E27PBE CU 5E34PBE 1 At least two indoor units must be connected 2 The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within co...

Page 10: ...2 8 4 8 2 0 3 2 5 2 2 5 2 5 5 0 2 5 2 8 5 3 2 8 2 8 5 6 Indoor Unit CS ME5PKE CS E7 9 12PKEW CS E9 12GFEW CS ME9 12PB4EA CS ME9 12PD3EA CS E9 12PD3EA CS E12QD3EAW Outdoor Unit CU 2E18PBE 2 Room 1 Room Indoor Unit Capacity kW Total Indoor Capacity kW Indoor Unit Capacity kW Total Indoor Capacity kW 1 6 1 6 3 2 1 6 1 6 1 6 2 0 3 6 2 0 2 0 1 6 2 5 4 1 2 5 2 5 1 6 2 8 4 4 2 8 2 8 1 6 3 2 4 8 3 2 3 2 2...

Page 11: ... 5 6 1 2 5 2 5 5 0 1 6 2 0 2 8 6 4 2 5 2 8 5 3 1 6 2 0 3 2 6 8 2 5 3 2 5 7 1 6 2 0 4 0 7 6 2 5 4 0 6 5 1 6 2 0 5 0 8 6 2 5 5 0 7 5 1 6 2 5 2 5 6 6 2 8 2 8 5 6 1 6 2 5 2 8 6 9 2 8 3 2 6 0 1 6 2 5 3 2 7 3 2 8 4 0 6 8 1 6 2 5 4 0 8 1 2 8 5 0 7 8 1 6 2 8 2 8 7 2 3 2 3 2 6 4 1 6 2 8 3 2 7 6 3 2 4 0 7 2 1 6 2 8 4 0 8 4 3 2 5 0 8 2 1 6 3 2 3 2 8 0 4 0 4 0 8 0 1 6 3 2 4 0 8 8 4 0 5 0 9 0 2 0 2 0 2 0 6 0 2...

Page 12: ... 9 1 2 8 5 0 7 8 1 6 1 6 2 8 3 2 9 2 1 6 2 5 6 0 10 1 2 8 6 0 8 8 1 6 1 6 2 8 4 0 10 0 1 6 2 8 2 8 7 2 3 2 3 2 6 4 1 6 1 6 2 8 5 0 11 0 1 6 2 8 3 2 7 6 3 2 4 0 7 2 1 6 1 6 3 2 3 2 9 6 1 6 2 8 4 0 8 4 3 2 5 0 8 2 1 6 1 6 3 2 4 0 10 4 1 6 2 8 5 0 9 4 3 2 6 0 9 2 1 6 2 0 2 0 2 0 7 6 1 6 2 8 6 0 10 4 4 0 4 0 8 0 1 6 2 0 2 0 2 5 8 1 1 6 3 2 3 2 8 0 4 0 5 0 9 0 1 6 2 0 2 0 2 8 8 4 1 6 3 2 4 0 8 8 4 0 6 ...

Page 13: ...0 9 3 2 0 2 0 3 2 3 2 10 4 2 5 2 8 5 0 10 3 2 0 2 5 2 5 2 5 9 5 2 5 3 2 3 2 8 9 2 0 2 5 2 5 2 8 9 8 2 5 3 2 4 0 9 7 2 0 2 5 2 5 3 2 10 2 2 5 3 2 5 0 10 7 2 0 2 5 2 5 4 0 11 0 2 5 4 0 4 0 10 5 2 0 2 5 2 8 2 8 10 1 2 8 2 8 2 8 8 4 2 0 2 5 2 8 3 2 10 5 2 8 2 8 3 2 8 8 2 0 2 5 3 2 3 2 10 9 2 8 2 8 4 0 9 6 2 0 2 8 2 8 2 8 10 4 2 8 2 8 5 0 10 6 2 0 2 8 2 8 3 2 10 8 2 8 3 2 3 2 9 2 2 5 2 5 2 5 2 5 10 0 2...

Page 14: ...0 2 8 7 0 11 8 3 2 3 2 6 4 2 0 2 0 3 2 4 0 11 2 2 0 3 2 3 2 8 4 3 2 4 0 7 2 2 0 2 0 3 2 5 0 12 2 2 0 3 2 4 0 9 2 3 2 5 0 8 2 2 0 2 0 3 2 6 0 13 2 2 0 3 2 5 0 10 2 3 2 6 0 9 2 2 0 2 0 4 0 4 0 12 0 2 0 3 2 6 0 11 2 3 2 7 0 10 2 2 0 2 0 4 0 5 0 13 0 2 0 3 2 7 0 12 2 4 0 4 0 8 0 2 0 2 5 2 5 2 5 9 5 2 0 4 0 4 0 10 0 4 0 5 0 9 0 2 0 2 5 2 5 2 8 9 8 2 0 4 0 5 0 11 0 4 0 6 0 10 0 2 0 2 5 2 5 3 2 10 2 2 0 ...

Page 15: ...5 0 13 2 2 8 4 0 4 0 10 8 2 5 2 5 4 0 4 0 13 0 2 8 4 0 5 0 11 8 2 5 2 8 2 8 2 8 10 9 2 8 4 0 6 0 12 8 2 5 2 8 2 8 3 2 11 3 2 8 5 0 5 0 12 8 2 5 2 8 2 8 4 0 12 1 3 2 3 2 3 2 9 6 2 5 2 8 2 8 5 0 13 1 3 2 3 2 4 0 10 4 2 5 2 8 3 2 3 2 11 7 3 2 3 2 5 0 11 4 2 5 2 8 3 2 4 0 12 5 3 2 3 2 6 0 12 4 2 5 2 8 3 2 5 0 13 5 3 2 3 2 7 0 13 4 2 5 2 8 4 0 4 0 13 3 3 2 4 0 4 0 11 2 2 5 3 2 3 2 3 2 12 1 3 2 4 0 5 0 ...

Page 16: ... 0 3 2 4 0 9 2 3 2 5 0 8 2 2 0 2 0 2 0 3 2 5 0 14 2 2 0 2 0 3 2 5 0 12 2 2 0 3 2 5 0 10 2 3 2 6 0 9 2 2 0 2 0 2 0 3 2 6 0 15 2 2 0 2 0 3 2 6 0 13 2 2 0 3 2 6 0 11 2 3 2 7 0 10 2 2 0 2 0 2 0 3 2 7 0 16 2 2 0 2 0 3 2 7 0 142 2 0 3 2 7 0 12 2 4 0 4 0 8 0 2 0 2 0 2 0 4 0 4 0 14 0 2 0 2 0 4 0 4 0 12 0 2 0 4 0 4 0 10 0 4 0 5 0 9 0 2 0 2 0 2 0 4 0 5 0 15 0 2 0 2 0 4 0 5 0 13 0 2 0 4 0 5 0 11 0 4 0 6 0 10...

Page 17: ... 3 2 3 2 5 0 13 4 2 8 6 0 7 0 15 8 2 0 2 5 2 5 2 5 3 2 12 7 2 0 3 2 3 2 6 0 14 4 2 8 7 0 7 0 16 8 2 0 2 5 2 5 2 5 4 0 13 5 2 0 3 2 3 2 7 0 15 4 3 2 3 2 3 2 9 6 2 0 2 5 2 5 2 5 5 0 14 5 2 0 3 2 4 0 4 0 13 2 3 2 3 2 4 0 10 4 2 0 2 5 2 5 2 5 6 0 15 5 2 0 3 2 4 0 5 0 14 2 3 2 3 2 5 0 11 4 2 0 2 5 2 5 2 5 7 0 16 5 2 0 3 2 4 0 6 0 15 2 3 2 3 2 6 0 12 4 2 0 2 5 2 5 2 8 2 8 12 6 2 0 3 2 4 0 7 0 16 2 3 2 3...

Page 18: ...0 16 3 2 0 2 8 3 2 4 0 5 0 17 0 2 5 2 8 5 0 7 0 17 3 2 0 2 8 4 0 4 0 4 0 16 8 2 5 2 8 6 0 6 0 17 3 2 0 3 2 3 2 3 2 3 2 14 8 2 5 3 2 3 2 3 2 12 1 2 0 3 2 3 2 3 2 4 0 15 6 2 5 3 2 3 2 4 0 12 9 2 0 3 2 3 2 3 2 5 0 16 6 2 5 3 2 3 2 5 0 13 9 2 0 3 2 3 2 4 0 4 0 16 4 2 5 3 2 3 2 6 0 14 9 2 0 3 2 3 2 4 0 5 0 17 4 2 5 3 2 3 2 7 0 15 9 2 0 3 2 4 0 4 0 4 0 17 2 2 5 3 2 4 0 4 0 13 7 2 5 2 5 2 5 2 5 2 5 12 5 ...

Page 19: ...5 3 2 3 2 3 2 3 2 12 8 2 5 2 8 2 8 3 2 4 0 15 3 3 2 3 2 3 2 4 0 13 6 2 5 2 8 2 8 3 2 5 0 16 3 3 2 3 2 3 2 5 0 14 6 2 5 2 8 2 8 3 2 6 0 17 3 3 2 3 2 3 2 6 0 15 6 2 5 2 8 2 8 4 0 4 0 16 1 3 2 3 2 3 2 7 0 16 6 2 5 2 8 2 8 4 0 5 0 17 1 3 2 3 2 4 0 4 0 14 4 2 5 2 8 3 2 3 2 3 2 14 9 3 2 3 2 4 0 5 0 15 4 2 5 2 8 3 2 3 2 4 0 15 7 3 2 3 2 4 0 6 0 16 4 2 5 2 8 3 2 3 2 5 0 16 7 3 2 3 2 4 0 7 0 17 4 2 5 2 8 3...

Page 20: ...mprovement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor o Noise prevention during soft dry operation Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 24 hour timer setting Serviceabi...

Page 21: ...21 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 22: ...22 5 Dimensions 5 1 Indoor Unit AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 23: ...23 5 2 Outdoor Unit AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 24: ...24 6 Refrigeration Cycle Diagram AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 25: ...25 7 Block Diagram AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 26: ...26 8 Wiring Connection Diagram 8 1 Indoor Unit AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 27: ...Unit Resistance of Compressor Windings MODEL CU E12QD3EAW CONNECTION 5RD132XBA21 U V 1 897Ω U W 1 907Ω V W 1 882Ω Note Resistance at 20 C of ambient temperature AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 28: ...28 9 Electronic Circuit Diagram 9 1 Indoor Unit AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 29: ...29 9 2 Outdoor Unit AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 30: ...30 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 31: ...31 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 32: ...d Locally Purchased Product name Remarks Rigid PVC pipe VP20 outer diameter ø26 also sockets elbows and other parts as necessary Adhesive PVC adhesive Insulation For refrigerant piping insulation foamed polyethylene with a thickness of 8 mm or more For drain piping insulation foamed polyethylene with a thickness of 10 mm or more Indoor outdoor connecting cable 4 x 1 5 mm 2 flexible cord designatio...

Page 33: ... operation electromagnectic noise Remote control mounting location Allow sufficient space around the remote controller as shown in the illustration at right Install in a place which is away from direct sunlight and high humidity Install in a flat surface to avoid warping of the remote controller If installed to a wall with an uneven surface damage to the LCD case or operation problems may result I...

Page 34: ...at enable the cool and warm air to spread out to the whole room Do not place objects that might obstruct the airflow within 1 m below the intake grill CEILING OPENING AND HANGING BOLT LOCATIONS The relative positions of the ceiling opening and hanging bolts are shown in the illustrations below When making an inspection opening below the unit make a 960 mm x 480 mm opening at the ceiling surface Al...

Page 35: ... intake chamber Ú 8 screws Securing the Hanging Bolts Switching the High State Switch SW2 To increase the air volume open the control box and on the control board switch the FAN switch SW2 to HI See the diagram for Connecting the Indoor Outdoor Connection Cable Installation into the Ceiling Attach the nuts and washers to the hanging bolts then lift up and hook the main unit onto the hanging fixtur...

Page 36: ...r unit 8 Fix the green wire from remote controller cable to the grounding location provided A IF REMOTE CONTROLLER CABLE IS EMBEDDED 1 Embed an outlet box JIS C 8336 into the wall Outlet box maybe purchased separately Medium size square outlet box obtain locally Part No DS3744 Panasonic Co Ltd or equivalent 2 Secure the remote controller lower case to the outlet box with the two accessory screws M...

Page 37: ... with the tabs provided 11 1 4 CONNECTING THE DRAIN PIPING Lay the drain piping so as to ensure drainage Use a locally purchased VP20 general rigid PVC pipe outer diameter ø26 for the drain piping and firmly connect the indoor unit and the drain piping using PVC adhesive to ensure that no leakage occurs Drain piping located indoor should always be insulated by wrapping with locally purchased insul...

Page 38: ...ver to its original position When the wall is hollow please be sure to use the sleeve for tube ass y to prevent dangers caused by mice biting the connection cable Connection cable between indoor unit and outdoor unit should be approved polychloroprene sheathed 4 x 1 5 mm2 flexible cord designation type 60245 IEC 57 H05RN F or heavier cord Allowable connection cable length of each indoor unit shall...

Page 39: ...39 11 1 6 1 WIRE STRIPPING AND CONNECTING REQUIREMENT AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 40: ...r Unit Installation Diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut ø10 mm 2 When installing at roof please consider strong wind Please fasten the installation stand firmly with bolt or nails Model A B C D E9 540 mm 160 mm 18 5 mm 330 mm E12 E15 613 mm 131 mm 16 mm 360 5 mm 11 2 3 CONNECT THE PIPING Connecting The Piping To Indoor Unit Please make flare after ...

Page 41: ...t onto the copper pipes 11 2 4 EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve o Be sure to connect the end of the charging hose with the push pin to the service port 2 Connect the ...

Page 42: ...type designation 60245 IEC 57 or heavier cord to the terminal board and connect the others end of the cord to Isolating Devices Disconnecting means 3 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1 5 mm2 flexible cord type designation 60245 IEC 57 or heavier cord Allowable connection cable length of each indoor unit shall be 30 m or less 4 Con...

Page 43: ...re nut connections Is the Earth wire connection done properly Has the heat insulation been carried out at flare nut connections Is the power supply voltage complied with the rated value Is the connection cable being fixed firmly to the terminal board Is there any abnormal sound emitted Is the connection cable being clamped firmly Is the cooling heating operation normal Is the drainage OK Refer to ...

Page 44: ...en as base value for temperature shifting processes These shifting processes are 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 Temper...

Page 45: ...Y mode is decided o If indoor intake temperature remote control setting temperature 2 C HEAT mode is decided For the 2nd judgment onwards o If indoor intake temperature remote control setting temperature 3 C if previous operate in DRY mode then continue in DRY mode otherwise COOL mode is decided o If 2 C indoor intake temperature remote control setting temperature 3 C maintain with previous mode o...

Page 46: ...fan motor feedback 2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increase fan motor is then stop and restart If the fan motor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 12 1 7 Outdoor Fan Motor Operation Outdoor fan motor is operated with 15 fan speed It starts when compressor starts operation and it stops 30 seconds af...

Page 47: ...mpressor frequency reduced 12 2 1 Quiet operation Heating A Purpose To provide quiet heating operation compare to normal operation B Control condition a Quiet operation start condition When quiet button at remote control is pressed Quiet LED illuminates b Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops a Powerful button is pressed b Stop by ...

Page 48: ...ove judgment the decided operation will start operate earlier than the set time as shown below 12 4 2 OFF Timer Control OFF timer can be set using remote control the unit with timer set will stop operate at set time 12 5 Auto Restart Control 1 When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns b...

Page 49: ...ssing the OFF ON button at the remote control is permitted or the Auto OFF ON button at indoor unit The reason for the compressor to force operation for minimum 30 seconds is to allow the refrigerant oil run in a full cycle and return back to the outdoor unit 13 1 3 Total Running Current Control 1 When the outdoor unit total running current AC exceeds X value the frequency instructed for compresso...

Page 50: ...estart after one minute If this condition repeats continuously for seven times all indoor and outdoor relays will be cut off 13 1 5 Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor top temperature The changes of frequency are as below figure If compressor temperature exceeds 107 C compressor will be stop occurs 4 times per 20 m...

Page 51: ...oor air temperature and indoor intake temperature changed 13 2 4 Dew Prevention Control 2 1 To prevent dew formation at indoor unit discharge area 2 This control starts if all conditions continue for 20 minutes o Operated with Cooling or Soft Dry Mode o Indoor intake temperature is between 25 C and 29 C o Outdoor air temperature is less than 30 C o Quiet Lo fan speed 3 This control stopped if o Wh...

Page 52: ...n start where indoor fan speed will be reduced 13 3 5 Deice Operation When outdoor pipe temperature and outdoor temperature is low deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks 13 3 6 Drain Pump Control This unit has built in with drain pump Control content During COOL DRY mode o During COOL DRY mode drain pump starts 10 seconds after indoor fan m...

Page 53: ...RPOSE The Test Run operation will be activated by short circuiting CN S Pin 1 2 at outdoor unit PCB after power supplied to outdoor unit terminal 1 and 2 The unit forced to run rated frequency cooling operation mode AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 54: ...et 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 Normal Pressure and Outlet Air Temperature Standard Gas pressure MPa kg cm 2 G Outlet air temperature C Cooling Mode 0 9 1 2 9 12 12 16 Heating Mode 2 3 2 9 23 29 36 45 Condition Indoor fan speed High Outdoor temperature 35 C at cooling mode and ...

Page 55: ...re Electric current during operation Insufficient refrigerant gas leakage Ô Ô Ô Ô Ô Ô Clogged capillary tube or Strainer Ô Ô Ô Ò Ò Ò Short circuit in the indoor unit Ô Ô Ô Ò Ò Ò Heat radiation deficiency of the outdoor unit Ò Ò Ò Ô Ô Ô Inefficient compression Ò Ô Ô Ò Ô Ô Carry out the measurement of pressure electric current and temperature fifteen minutes after an operation is started AMP Air Con...

Page 56: ...d error code matches the unit s error code OFF ON operation LED will be ON continuously 7 The breakdown diagnosis mode will be cancelled by pressing CHECK button continuously for 5 seconds or wait for 30 seconds AC Reset button When AC Reset button is pressed the error code will be reset so that the unit will be able to operate and recheck if any error occurred To display memorized error status 1 ...

Page 57: ...57 15 4 Error Codes Table AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 58: ...ressing the CHECK button at Remote Control Although operation forced to stop when abnormality detected emergency operation is possible for certain errors refer to Error Codes Table by using Remote Control or Auto Switch at indoor unit However the Remote Control signal receiving sound is changed from one beep to four beep sounds AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 59: ...oor unit signal 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 wiring error Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units Troubleshooting AMP Air Conditioning www ampair co uk sales ampair...

Page 60: ...on 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 61: ...ing 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 62: ...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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 63: ...nt detected by Current Transformer CT is below threshold value when the compressor is operating at certain frequency value for 3 minutes Malfunction Caused Lack of gas Broken CT current transformer Broken Outdoor PCB Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 64: ...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 AMP Air Conditioning www ampair co uk sales ampair co u...

Page 65: ...tartup 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 66: ...tartup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor 2 are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 67: ...ing 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 68: ...ring 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 69: ...ing startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 70: ...ns 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 71: ...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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 72: ...indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation Phenomena unit is stopping and re starting very often in heating mode Malfunction Caused Indoor heat exchanger thermistor Clogged air filter or heat exchanger Over bent pipe liquid side Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 73: ...e temperature is lower than 2 C Malfunction Caused Air short circuit at indoor unit Clogged indoor unit air filter Dust accumulation on the indoor unit heat exchanger 2 3 way valve closed Faulty indoor unit fan motor Refrigerant shortage refrigerant leakage Clogged expansion valve or strainer Faulty indoor pipe temperature sensor Faulty indoor unit PCB Troubleshooting AMP Air Conditioning www ampa...

Page 74: ...t deice or when indoor heat exchanger is hot during cooling and compressor operating the 4 way valve is detected as malfunction Malfunction Caused Indoor heat exchanger pipe thermistor 4 way valve malfunction Troubleshooting Check gas side pipe for hot gas flow in cooling mode AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 75: ...ing and heating when Power Factor Correction PFC protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors When DC voltage detected is LOW transistor switching will turn ON by controller to push up the DC level When DC voltage detected is HIGH 391Vdc 425Vdc active LOW signal will send by the controller to turn OFF relay RY C Troubleshooting AMP Air Co...

Page 76: ... Malfunction Decision Conditions The input current is low while the compressor is running at higher than the setting frequency Malfunction Caused Lack of gas 3 way valve close Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 77: ...mpressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disconnect Faulty Outdoor PCB Faulty compressor Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 78: ...nger thermistor Malfunction Caused Outdoor heat exchanger temperature rise due to short circuit of hot discharge air flow Outdoor heat exchanger temperature rise due to defective of outdoor fan motor Outdoor heat exchange temperature rise due to defective outdoor heat exchanger thermistor Outdoor heat exchanger temperature rise due to defective of outdoor unit PCB Troubleshooting AMP Air Condition...

Page 79: ...uring 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 Multi Models Only o Compressor...

Page 80: ...sor tank temperature data 112 C is detected by the compressor tank temperature sensor Malfunction Caused Faulty compressor tank temperature sensor 2 3 way valve closed Refrigerant shortage refrigerant leakage Faulty outdoor unit PCB Faulty compressor Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 81: ...en an input over current X value in Total Running Current Control is detected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Excessive refrigerant Faulty outdoor unit PCB Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 82: ... data is received by the outdoor internal DC Peak sensing circuitry Malfunction Caused DC current peak due to compressor failure DC current peak due to defective power transistor s DC current peak due to defective outdoor unit PCB DC current peak due to short circuit Troubleshooting AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 83: ...ectric shocks 16 1 Disassembly of Parts 16 1 1 Detaching the Upper and Inner Casing 1 Unscrew the 10 screws on the Upper and Inner Casing and detach them 16 1 2 Detaching the Control Board 1 Unscrew the 2 screws on the Control Board and open the Control Board Cover 2 Pull the Control Board down following the Slide Guide 3 Lift the Control Board up from the bottom disengage the Catch holding the Bo...

Page 84: ... Fan Motor and Fan loosen the screw holding the Fan and detach the Fan 16 1 4 Detaching the Fan Motor and Drain Motor Fan Motor 1 First detach the Upper and Inner Casing 16 1 1 and the Fan 16 1 3 2 Unscrew the 4 screws holding the Fan Motor and detach it Drain Motor 1 First detach the Upper and Inner Casing 16 1 1 and the Fan 16 1 3 2 From the Fan Motor side undo the 2 hexagon bolts and detach the...

Page 85: ...ere are many high voltage components within the heat sink cover so never touch the interior during operation Wait at least two minutes after power has been turned off 2 Remove the Outdoor Electronic Controller Fig 8 Fig 9 Caution When handling electronic controller be careful of electrostatic discharge AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 86: ...B WB TC SHC IP TC SHC IP TC SHC IP 19 0 3370 2370 481 2750 2349 521 3400 2499 910 27 22 0 4140 2068 599 3063 1800 502 3606 1875 910 15 7 2987 2291 423 2218 2174 543 2796 2198 897 23 18 4 3893 2143 593 2973 1863 578 3166 1834 903 13 3 2160 1912 294 1843 1806 420 2222 1956 719 20 15 8 2718 1705 349 2602 1671 448 2882 1778 900 Dry bulb value based on 46 humidity TC Total Cooling Capacity W SHC Sensib...

Page 87: ...5 0 6 62 5 9 5 67 6 6 4 86 7 2 4 19 7 6 3 74 Hi 7 8 3 55 Tap Static Pressure mmAq Airflow m 3 min 0 0 12 58 1 3 11 41 2 3 10 24 3 4 9 12 4 8 8 07 5 6 7 00 6 6 5 99 7 3 5 14 8 0 4 43 8 5 3 95 Phi 8 7 3 75 0 0 15 73 2 0 14 26 3 7 12 80 5 4 11 40 7 5 10 08 8 8 8 75 10 3 7 49 11 5 6 42 12 6 5 54 13 3 4 94 Switch Hi 13 6 4 69 Fan Performance Curve AMP Air Conditioning www ampair co uk sales ampair co u...

Page 88: ...g forced heating mode 18 1 Cool Mode Outdoor Air Temperature Characteristic Condition Indoor room temperature 27 C DryBulb 19 C Wet Bulb Unit setting Standard piping length forced cooling at 16 C Hi fan Compressor frequency Rated for cooling operation Voltage 220V 230V AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 89: ...istic Condition Indoor room temperature 20 C DryBulb C Wet Bulb Unit setting Standard piping length forced heating at 30 C Hi fan Compressor frequency Rated for Heating operation Voltage 220V 230V AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 90: ...c of the unit has to be corrected in accordance with the piping length 18 3 1 Cooling Capacity 18 3 2 Heating Capacity Note The graphs show the factor after added right amount of additional refrigerant AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 91: ...nt 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 92: ...YSTYRENE 1 CWG07165 43 FOAMED POLYSTYRENE 1 CWG07166 44 FOAMED POLYSTYRENE 1 CWG07167 45 BLOWER WHEEL COMPLETE 1 CWH01C005 46 CONTROL BOARD 1 CWH102208 47 CONTROL BOARD BOTTOM PCB 1 CWH10527 49 HOLDER P S CORD 1 CWH31103 50 HOLDER P S CORD 1 CWH31030 51 A PIECE 1 CWD77013 53 DRAIN PAN COMPLETE 1 CWH40C061 61 BUSHING 1 CWH51134 67 UNION NUT 1 CWT251030 68 FLEXIBLE PIPE COMPLETE 1 CWH85C008 71 UNION...

Page 93: ...12946 114 SHOCK ABSORBER 1 CWG712937 115 SHOCK ABSORBER 1 CWG712947 116 C C CASE 1 CWG565694 117 INSTALLATION INSTRUCTION SW 1 CWF616483 118 INSTALLATION INSTRUCTION NO 1 CWF616484 119 INSTALLATION INSTRUCTION DA 1 CWF616485 120 INSTALLATION INSTRUCTION FI 1 CWF616486 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock AMP Air Co...

Page 94: ...door 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 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Page 95: ...ENSOR COMPLETE 1 CWA50C2517 O 31 REACTOR 1 G0C203J00003 O 33 TERMINAL BOARD ASSY 1 CWA28K1110J O 38 ELECTRONIC CONTROLLER MAIN 1 CWA73C8614R O 40 CONTROL BOARD COVER TOP 1 CWH131333 41 CABINET SIDE PLATE LEFT 1 CWE041522A 42 HANDLE 1 CWE161010 43 CABINET SIDE PLATE RIGHT 1 CWE041555A 45 CABINET FRONT PLATE CO 1 CWE06K1077 46 WIRE NET 1 CWD041155A 47 CABINET TOP PLATE 1 CWE031083A 48 CONTROL BOARD ...

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Summary of Contents for CS-E12QD3EAW

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Panasonic CS-E12QD3EAW, Service Manual, Page: 80 / 95

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Summary of Contents for CS-E12QD3EAW

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