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Trouble shooting 4
INDOOR UNIT Error Method:

Indicate or Display:

Detective Actuators:

Detective details:

Forecast of Cause :

Fan Motor Drive Circuit Error

Indoor Unit Power Supply PCB

When a momentary power cut off.
When do not start fan motor.

1. External cause 2. Connection of connector failure 3. Power Supply PCB failure

Check Point 3 : Replace Power supply PCB

If Check Point 1, 2 do not improve the symptom, replace Power supply PCB.

02-06

Refer to error code table.

Check Point 2 : Check connection of Connector

Check if connector is removed.

Check erroneous connection.
Check if cable is open.

>>Upon correcting the removed connector or mis-wiring, reset the power.

Check Point 1 : Check external cause at Indoor and Outdoor (Voltage drop or Noise)

Instant drop : Check if there is a large load electric apparatus in the same circuit.

Momentary power failure : Check if there is a defective contact or leak current
in the power supply circuit.

Noise : Check if there is any equipment causing harmonic wave near electric line.
(Neon bulb or electric equipment that may cause harmonic wave)
Check the complete insulation of grounding.

AMP Air Conditioning

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

Содержание AOG60LATT

Страница 1: ...SPLIT TYPE ROOM AIR CONDITIONER DUCT type Models Indoor unit Outdoor unit AR G60LHTA AO G60LATT INVERTER SERVICE INSTRUCTION R410A AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 2: ...LVE EXTENSION SELECT 01 12 1 13 AUTO RESTART 01 12 1 14 PUMP DOWN 01 13 1 15 COMPRESSOR PREHEATING 01 14 1 16 ECONOMY OPERATION 01 14 1 23 LOW NOISE OPERATION 01 21 1 24 PEAK CUT OPERATION 01 22 1 22 EXTERNAL ELECTRICAL HEATER CONTROL 01 21 3 DISASSEMBLY PROCESS 2 1 1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY 2 1 ERROR DISPLAY 2 TROUBLE SHOOTING 2 2 TROUBLE SHOOTING WITH ERROR CODE 2 3 TROUB...

Страница 3: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A DUCT type INVERTER AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 4: ...the compressor frequency is controlled within the range shown in Table1 However the maximum frequency is limited in the range shown in Fig 1 based on the fan speed mode and the outdoor temperature minimum frequency maximum frequency 15rps 78rps AO G60LATT Hi Me Lo 78rps 78rps 67rps 59rps 67rps 67rps 59rps 55rps 59rps 59rps 52rps 47rps A zone B zone C zone AO G60LATT D F zone Table 1 Compressor Fre...

Страница 5: ... lower 3 C than a set temperature the compressor operation frequency will attain to maximum performance If the room temperature is higher 2 C than a set temperature the compressor will be stopped When the room temperature is between 2 C to 3 C of the setting temperature the compressor frequency is controlled within the range shown in Table2 Table 2 Compressor Frequency Range 01 02 minimum frequenc...

Страница 6: ... Compressor frequency Fig 2 Compressor Control based on Room Temperature 01 03 Ts Setting temperature Ts 0 5 C Ts 1 5 C Operating frequency 41rps X zone J zone 0rps Y zone When the room temperature drops When the room temperature rises X zone J zone Y zone Ts 1 5 C Ts 0 5 C Fig 3 Indoor Fan Control AO G60LATT 10 30 60 360 120 360 120 10 30 sec OFF S Lo Lo OFF Setting air flow Compressor ON AMP Air...

Страница 7: ...e 2 C during Dry mode operation returns to Cooling When Heating was selected at the same operation as HEATING OPERATION of page 01 02 is performed When the compressor was stopped for 6 consecutive minutes by the temperature control function after the Cooling Auto Dry or Heating mode was selected at above operation is switched to Monitoring and the operation mode is selected again 1 1 2 3 1 4 1 Fig...

Страница 8: ...r System stops or operation command other than auto changeover operation NO Thermostat remains in OFF state for 6 minutes or longer System stops or operation command other than auto changeover operation Middle zone NO Operation mode of outdoor unit Cooling or Dry YES NO Operation mode of outdoor unit Heating YES NO YES Outdoor temperature 25 C NO YES YES NO YES YES AMP Air Conditioning www ampair ...

Страница 9: ...nt S Lo 3 COOLING OPERATION Switch the airflow Auto and the indoor fan motor will run according to a room temperature as shown in Fig 6 On the other hand if switched in Hi Lo the indoor motor will run at a constant airflow of Cool operation modes Lo Me Hi as shown in Table 5 Fig 6 Airflow change over Cooling AUTO When the room temperature rises When the room temperature drops TR Room temperature T...

Страница 10: ...d the fan is stopped if 20 seconds have passed When 60 seconds have passed after defrost operation is released the fan runs according to cool air preventtion control 01 07 Setting Fan mode S Lo mode STOP 27 C 24 C Indoor heat exchanger temperature Indoor heat exchanger temperature The maximum value of the indoor fan speed is set as shown in Fig 8 based on the detected temperature by the indoor hea...

Страница 11: ...eed of the outdoor unit After operating the defrost control function on heating mode except economy operation its speed becomes 900rpm Upper Lower regardless of the compressor speed However it returns to the normal speed control when the defrosting operation does not function for 240 minutes after releasing the defrost operation or when the outdoor temperature sensor detection value becomes higher...

Страница 12: ...ncy soon after the start up is controlled as shown in Fig 9 Fig 9 Compressor Control at Start up Upper limit speed Upper limit speed Upper limit speed Elapsed time Elapsed time Elapsed time Ta Outdoor temperature Normal start up Immediate start up after power ON cooling Immediate start up after power ON Heating Ta 10 C Immediate start up after power ON Heating Ta 10 C 90 28 40 54 70 180 270 360 se...

Страница 13: ...ay Use this timer function to set operating time for each day of the week Operation mode The operating time can be set in 30 min increments only The OFF time can be carried over to next day The ON timer and the OFF timer functions cannot be set with using the weekly timer Both ON and OFF time must be set 2 WEEKLY TIMER 2 1 WEEKLY TIMER Stop mode Stop mode Stop mode Operation mode Operation mode Se...

Страница 14: ... day Setting day The SET BACK timer only changes the set temperature for 7 days it cannot be used to start or stop air conditioner operation The SET BACK timer can be set to operate up to two times per day but only one temperature setting can be used During the COOL DRY mode the air conditioner will operate at a minimum of 18 C even if the SET BACK temperature is set to 17 C or lower 3 TEMPERATURE...

Страница 15: ... room temperature sensor detects The test operation mode is released if 60 minutes have passed after setting up the test operation The compressor won t enter operation status for 3 minutes after the compressor is stopped even if any operation is given At the time when the air conditioner is switched from the cooling mode to heating mode the compressor is stopped and the 4 way valve is switched in ...

Страница 16: ...hanges after 1 minute as shown in the figure below Fans and compressor stop automatically 7 Turn the power off PUMP DOWN is completed 3 Press PUMP DOWN switch for 3 seconds or more after 3 minutes after power on POWER MODE ERROR TEST RUN PUMP DOWN LOW NOISE PEAK CUT L1 L2 L3 L4 L5 L6 L7 ERROR TEST RUN PUMP DOWN LOW NOISE PEAK CUT POWER MODE L1 L2 L3 L4 L5 L6 L7 ERROR TEST RUN PUMP DOWN LOW NOISE P...

Страница 17: ...OMPLETION Defrost operation is released when the conditions becomes as shown in Table 13 Table 13 Condition of defrost release Release Condition Outdoor heat exchanger temperature is higher than 10 C or Compressor operation time has passed 15 minutes The defrost operation starts as shown in the following Table 10 11 and 12 From 2nd and later defrost after starting operation Less than 35 minutes Mo...

Страница 18: ...r 62 minutes Outdoor heat exchanger temperature Below 9 C Outdoor heat exchanger temperature Below 5 C Compressor integrating operation Over 35 minutes 2nd and later defrost Compressor OFF Outdoor fan motor OFF 30 sec later 4 way valve OFF 36 sec later compressor ON Compressor integrating operation Over 240 minutes Integrating defrost Constant monitoring Defrost Indicator Operation lamp 7 sec ON 2...

Страница 19: ...peration contiguous time lasts for more than 10 minutes OFF Defrost Flow Chart Heating operation stop Outdoor heat exchanger temperature Below 4 C and Compressor integrating operation Over 30 minutes and Compressor contiguous operation Over 10 minutes Defrost start Defrost Indicator Operation lamp 7 sec ON 2 sec OFF Outdoor heat exchanger temperature Over 10 C or Compressor ON time Maximum 15 minu...

Страница 20: ...inues to decrease the frequency for 10rps every 120 seconds until the temperature becomes lower than Temperature When the discharge temperature becomes lower than Temperature the control of the compressor frequency is released When the discharge temperature becomes higher than Temperature the compressor is stopped and the indoor unit LED starts blinking Table15 Discharge Temperature Over Rise Prev...

Страница 21: ...8 5A 8 0A 4 8A 4 3A 3 0A 2 5A 3 3A 2 8A 4 0A 3 5A 4 2A 3 7A 5 0A 4 5A 5 5A 5 0A 6 7A 6 2A 7 8A 7 3A 3 0A 2 5A 4 5A 4 0A 6 5A 6 0A 2 8A 2 3A 3 8A 3 3A 4 8A 4 3A 2 8A 2 3A 3 5A 3 0A 3 8A 3 3A 4 3A 3 8A 4 8A 4 3A 2 8A 2 3A 3 3A 2 8A 3 8A 3 3A 4 3A 3 8A 4 8A 4 3A 5 3A 4 8A 2 0A 1 5A 2 8A 2 3A 3 5A 3 0A 3 8A 3 3A 4 3A 3 8A 5 0A 4 5A 7 8A 7 3A 6 0A 5 5A 7 3A 6 8A 7 8A 7 3A 8 5A 8 0A Outdoor unit fan spe...

Страница 22: ...rt up and 10 minutes has passed After the compressor start up and 1 minute has passed a The detected value of pressure sensor is 0 02MPaG or less continues for 5 minutes the compressor is stopped b When 7 minutes has passed and low pressure sensor detects value is more than 0 05MPaG after the protection stop by a the compressor restarts c When the protection a operates 5 times within 2 hours after...

Страница 23: ...onds Release 20 C Cooling Heating 1 20 COMPRESSOR STOP CONTROL When the detection value of outdoor temperature sensor is lower than temperature in the table below the compressor is stopped Table 18 Operation temperature of compressor stop control Operation temperature Temperature The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as shown in Fig 14 1 21 FRESH ...

Страница 24: ...ooling Heating Cooling Heating Outdoor Fan Upper Limit Speed rpm Compressor Speed rps The compressor speed and the outdoor unit fan speed are limited to reduce the operation noise by External Input During the LOW NOISE OPERATION CURRENT OVERLOAD OPERATION ECONOMY OPERATION and PEAK CUT OPERATION are effective and the outdoor unit operates by lowest current of them However during the DEFROST OPERAT...

Страница 25: ...n by External Input During the PEAK CUT OPERATION CURRENT OVERLOAD OPERATION ECONOMY OPERATION and LOW NOISE OPERATION are effective and the outdoor unit operates by lowest current of them However this function becomes invalid during DEFROST OPERATION PEAK CUT LEVEL Peak Cut For Rated Capacity Percentage is rated electrical power ratio AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 26: ... of L5 L6 and L7 indicates peak cut level SW1 DIP SW SW2 SW3 SW4 SW5 SW6 1 2 3 4 5 6 LED DISPLAY Various settings can be adjusted by changing Dip switches and Push switches on the board of the outdoor unit Excerpt from the INSTALATION MANUAL Switch Function or operation method SW1 DIP SWITCH For selecting COOLING or HEATING during test operation Positions 2 to 4 of Dip switch are not used SW2 To s...

Страница 27: ...edure for Present Value Procedure Operation Power Mode Error L1 L2 L3 L7 L6 L5 L4 1 2 3 4 During status display press the MODE SWITCH 1 time Status display Outdoor unit is stopping and no error When the EXIT SWITCH is pressed this mode ends and returns to the status display Selecting display items can be done by pressing the SELECT SWITCH Return to Procedure 3 Press the ENTER SWITCH Data is displa...

Страница 28: ...ure range 0 2 1MPa Pressure sensor value High pressure range 2 1 4 2MPa Check the Low Pressure Range if it is displayed 2 1 Check the High Pressure Range if it is displayed 1 81 2 1 0 1 15 16 30 31 45 46 60 61 75 76 90 90 95 0 1 150 151 300 301 450 451 600 601 750 751 900 901 0 1 150 151 300 301 450 451 600 601 750 751 900 901 0 1 80 81 160 161 240 241 320 321 400 401 480 481 0 0 0 01 0 3 0 31 0 6...

Страница 29: ...C Heat exchanger Temperature Middle 30 80 C Current 0 10A Compressor Accumulated Time H 15 15 5 5 5 5 15 15 25 25 35 35 45 45 55 55 65 65 75 75 85 85 95 95 105 105 115 115 53 53 55 55 57 57 59 59 61 61 63 63 65 65 0 0 0 0 1 5 1 5 3 0 3 0 4 5 4 5 6 0 6 0 7 5 7 5 9 0 9 0 0 0 10000 10000 20000 20000 30000 30000 40000 40000 50000 50000 60000 60000 7 8 9 01 26 Round up by 1 hour 10 11 AMP Air Condition...

Страница 30: ...wer supply frequency error 2 Outdoor unit PCB model information error PFC communication error 3 Inverter error 4 PFC AD detection error PFC hardware error 5 IPM error Trip terminal L error 8 Rush current limiting resister temp rise protection 7 1 Discharge temp sensor error 2 Compressor temp sensor error 3 Heat Ex middle temp sensor error Outdoor unit Heat Ex liquid temp sensor error 4 Outdoor tem...

Страница 31: ...d and then short press the ENTER SWITCH 1 time When the MODE SWITCH is pressed for more than 3 seconds the Error history is cleared Error code is displayed by lighting LED Refer to Table 21 Light ON Light OFF 2 2 Times Blinking n n Times Blinking Error L1 L2 L3 L7 L6 L5 L4 2 2 2 2 2 2 2 2 2 2 n n Blinking Hi speed Note When the EXIT SWITCH is pressed this mode ends and returns to the status displa...

Страница 32: ...AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 33: ...2 TROUBLE SHOOTING R410A DUCT type INVERTER AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 34: ...19 20 21 22 23 24 25 26 Error Code 84 86 94 95 97 98 99 A1 A3 A5 Over Current Error Discharge Thermistor Error Outdoor Thermistor Error Heat Sink Thermistor Error Current sensor Error Pressure sensor Error Heat Ex Liquid Temp Thermistor Error Compressor Thermistor Error When Er in Temperature Display is displayed inspection of the air conditioning system is necessary Please consult authoilzed serv...

Страница 35: ...ultaneously for 3 seconds or more to start the self diagnosis 4 Press the SET TEMPERATURE buttons simultaneously for 3 seconds or more or there is no key input for 60 seconds to stop the display 3 Press the SET TEMPERATURE button to select the error history number SU MOTU WETH FR SA Error code Error history number 0 1 2 3 4 5 6 7 F E d c b A 9 8 Lower Raise AMP Air Conditioning www ampair co uk sa...

Страница 36: ...llation Manual or Data Technical Manual Check connection condition in control unit If there is loose connector open cable or mis wiring Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC198V AC220V 10 264V AC240V 10 appears at outdoor unit terminal L N When the indoor unit cannot receive the serial signal from Outdoor unit more than 2minutes after power O...

Страница 37: ... loose or removed connection line of between indoor unit and outdoor unit If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check connection condition in control unit If there is loose connector open cable or mis wiring Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC198V AC220V 10 268V AC240V 10 a...

Страница 38: ...ck correct the followings Check the connection of terminal between Wired Remote Controller and indoor unit and check if there is a disconnection of the cable When the indoor unit cannot properly receive the signal from Wired Remote Controller for 1 minute or more 02 05 Refer to error code table If it is DC12V Remote Control is failure Controller PCB is normal Replace Remote Control If it is DC 0V ...

Страница 39: ...connection of Connector Check if connector is removed Check erroneous connection Check if cable is open Upon correcting the removed connector or mis wiring reset the power Check Point 1 Check external cause at Indoor and Outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or l...

Страница 40: ...stor cable is open Reset Power when reinstalling due to removed connector or incorrect wiring 58 2 44 0 33 6 25 9 20 2 15 8 12 5 10 0 OK OK Check Point 3 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the check operation again 02 07 Trouble shootin...

Страница 41: ...emove connector and check Thermistor resistance value 02 08 Trouble shooting 6 INDOOR UNIT Error Method Indicate or Display Indoor Heat Ex Thermistor Error Refer to error code table Check Point 3 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the c...

Страница 42: ...peration is off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace it Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation When the condition that actual frequency of Indoor Fan is below 1 3 of target frequency is continued more than 56 seconds Check Point ...

Страница 43: ...witch is abnormal replace it ON OFF OK Forecast of Cause 1 Float switch failure 2 Shorted connector wire 3 Controller PCB failure 4 Drain pump failure 5 Hose clogging Check Point 2 Check Connector and Wire Check loose contact of CN120 and shorted wire pinched wire Replace Float switch if the wire is abnormal Check Point 4 Check Controller PCB If Check Point 1 3 do not improve the symptom change Co...

Страница 44: ...n by surrounding temperature rise 4 Power Supply PCB failure 5 Indoor unit fan motor failure Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace it Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check Point ...

Страница 45: ...d Check if ground is connected correctly or there are no related cables near the power line Check Point 2 Check the wiring Power supply to Filter PCB to Inverter PCB Connector and wiring connection state check Cable open check Replace Filter PCB and Inverter PCB Check Point 1 1 Turn the power on again Error displayed again Check Point 3 Replace Filter PCB INV and Inverter PCB 02 12 Trouble shootin...

Страница 46: ...Is there anything obstructing the air distribution circuit Is there any clogging of Outdoor Heat Exchanger Is the Fan rotating by hand when operation is off If the Fan Motor is locked replace it Check Outdoor Fan Motor Refer to Trouble shooting 21 22 If the Fan Motor is failure replace it Check Point 4 Check Compressor PARTS INFORMATION 2 Check Compressor If Check Point 1 4 do not improve the symp...

Страница 47: ...heck the thermistor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 7 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN24 1 3 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again ...

Страница 48: ...heck Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 7 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN27 1 3 voltage value 5V Remove the thermistor from Main PCB check the voltage Compressor temperature thermistor CN27 1 3 If the voltage does not appear replace Main PCB and execute the check operation again 02 15...

Страница 49: ...rmistor characteristics refer to the Service Parts Information 7 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN25 1 3 CN22 1 2 voltage value 5V Remove the thermistor from Main PCB check the voltage Heat exchanger outlet middle temperature thermistor CN25 1 3 CN22 1 2 If the voltage does not appear replace Main PCB and execute the check operation again If the voltage does not appear 02 ...

Страница 50: ...r from the PCB and check For the thermistor characteristics refer to the Service Parts Information 7 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN26 1 3 voltage value 5V Remove the thermistor from Main PCB check the voltage Outdoor temperature thermistor CN26 1 3 If the voltage does not appear replace Main PCB and execute the check operation again If the voltage does not appear replac...

Страница 51: ...ristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB CN23 1 2 voltage value 5V Inverter PCB CN803 1 2 voltage value 5V Remove the thermistor from Main PCB check the voltage Heat sink temp thermistor CN23 1 2 If the voltage does not appear replace Main PCB and execute the check operation again If the voltage does not appear replace Main PCB 02 18 ...

Страница 52: ...electric components 2 External cause 3 Main PCB failure Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the compl...

Страница 53: ...after power on when pressure sensor detection value detects the condition below continuously for 30 seconds or more Ps 0 26 or Ps 5 63 MPa Refer to error code table Check Point 2 Check output voltage of Main PCB Check voltage of Main PCB Measure at Main PCB side connector 1 pin Red 3 pin Black DC5V 5 BLACK WHITE RED CN16 1 2 3 1 2 3 PS PRESSURE SENSOR If the voltage is not correct replace Main PCB...

Страница 54: ...ion defective foreign matter on heat exchanger excessive rise of ambient temperature 2 Main PCB 3 Inverter compressor failure lock winding short 4 Inverter PCB IPM failure Protection stop by overcurrent generation after inverter compressor start processing completed generated consecutively 10 times The number of generations is reset if the start up of the compressor succeeds No obstructions in air...

Страница 55: ...er Refer to PARTS INFORMATION 2 For Compressor Terminal Main PCB While running the compressor if the detected rotor location is out of phase with actual rotor location more than 90 the compressor stops After the compressor restarts if the same operation is repeated within 40sec the compressor stops again If and repeats 5 times the compressor stops permanently Check Point 1 Check Noise from Compres...

Страница 56: ... Check outdoor unit circuit diagram and the voltage Measure at Main PCB side connector If the voltage is not correct replace Main PCB When outdoor fan rotation speed is less than 100rpm in 20 seconds after fan motor starts fan motor stops After fan motor restarts if the same operation within 60sec is repeated 3 times in a row compressor and fan motor stops If and repeats 5 times in a row compresso...

Страница 57: ... Check outdoor unit circuit diagram and the voltage Measure at Main PCB side connector If the voltage is not correct replace Main PCB When outdoor fan rotation speed is less than 100rpm in 20 seconds after fan motor starts fan motor stops After fan motor restarts if the same operation within 60sec is repeated 3 times in a row compressor and fan motor stops If and repeats 5 times in a row compresso...

Страница 58: ...valve OK OK Check Point 4 Replace Main PCB If Check Point 1 3 do not improve the symptom replace Main PCB Check Point 2 Check thermistor of Indoor unit Isn t it fallen off the holder Is there a cable pinched Check characteristics of thermistor Refer to Trouble shooting 5 6 If defective replace the thermistor Indoor Unit Controller PCB Circuit Heat Exchanger Temperature Thermistor Room Temperature ...

Страница 59: ...ts Information 3 4 Check Point 3 Check the outdoor unit fan heat exchanger Check for foreign object at heat exchanger Check if fan can be rotated by hand Motor check PARTS INFORMATION 5 Check Point 2 Check the EEV strainer Check Point 5 Check the refrigerant amount Leak check EEV open Strainer clogging check before and after EEV ACM oil return Refer to Service Parts Information 3 4 Check Point 2 C...

Страница 60: ...rant amount Leak check 02 27 Cooling operation OK Heating operation Check Point 1 Check if 3 way valve gas side is open EEV open Strainer clogging check before and after EEV ACM Refer to Service Parts Information 3 4 Check Point 2 Check the EEV strainer EEV open Strainer clogging check before and after EEV ACM Refer to Service Parts Information 3 4 Check Point 2 Check the EEV strainer If the 3 way...

Страница 61: ... ambient temperature lower than operating range Outdoor unit EEV operation check Strainer not clogged Check Point 4 Check the outdoor unit EEV strainer clogging Indoor unit EEV operation check Strainer not clogged Suction pressure sensor characteristics check For the characteristics of the suction pressure sensor PARTS INFORMATION 8 Check Point 6 Check the suction pressure sensor Check Point 7 Che...

Страница 62: ...heck if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding 02 29 2 3 TROUBLE SHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components YES YES OK NO Check the voltage of power supply Check if AC198 264V appears at Outdoor Unit Terminal L N Check Varistor in Filter PCB If...

Страница 63: ... load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check the voltage of power supply Check if AC198 264V appears at O...

Страница 64: ...check correct followings Is there loose or removed communication line of Indoor Unit and Outdoor Unit Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipmen...

Страница 65: ...w route Check clogged Heat Exchanger Is the Valve open Is capacity of Indoor Unit fitted to Room size Any windows open Or direct sunlight Check connection pipe specified pipe length Pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check if Strainer is clogged Refer to the figure at ...

Страница 66: ...mal Is Fan broken or deformed Is the screw of Fan loose Is there any object which obstruct the Fan rotation Is Main Unit installed in stable condition Is Fan Guard installed normally Check if vibration noise by loose bolt or contact noise of piping is happening Is Compressor locked Check Compressor PARTS INFORMATION 1 2 Water Leaking 1 Erroneous installation 2 Drain hose failure Diagnosis method w...

Страница 67: ... or less oil Replace Compressor Replace Compressor Replace Compressor Stops soon after starting up Is there open or loose connection cable Is Gas Pipe Valve open Low Pressure is too low Check if Refrigerant is leaking Recharge Refrigerant Check if Strainer is clogged PARTS INFORMATION 3 If there is no failure the defect of Compressor can be considered Compression part broken or valve defective Abn...

Страница 68: ...sor loose or incorrect wiring Check winding resistance of each terminal If the resistance value is 0 or infinite replace Compressor If the symptom does not change with above Check 1 2 replace Main PCB 02 35 Resistance Value 0 79 at 20 C R U RED S V WHITE C W BLACK INVERTER PCB TM806 TM805 TM804 RED WHITE BLACK Compressor Inverter PCB AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 69: ...g resistance of Coil If Resistance value is abnormal replace EEV Remove Connector and check Voltage DC12V If it does not appear replace Main PCB Turn on Power and check operation noise If an abnormal noise does not show replace Main PCB When Valve is closed it has a temp difference between Inlet and Outlet If it is open it has no temp difference between Inlet and Outlet Strainer normally does not ...

Страница 70: ...rth terminal GND Control voltage Vcc Speed command Vsp Feed back FG SERVICE PARTS INFORMATION 4 Check Point 1 Check rotation of Fan Indoor unit fan motor Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace it Check Point 2 Check resistance of Indoor Fan Motor 1 or 2 Refer to below Circuit test Vm and GND terminal Vm ...

Страница 71: ... the following terminals Set the tester to the Diode mode and measure the voltage value between the following terminals Judge the result of as follows Judge the result of as follows TM802 P TM804 U TM805 V TM806 W TM803 N TM804 U TM805 V TM806 W P P P U V W N N N U V W U V W P P P U V W N N N Over 2k Including Over 2k Including Over 20k Including Terminal Tester display Tester Tester P P P U V W N...

Страница 72: ...292 9 221 1 168 6 129 8 100 9 79 1 62 5 49 8 40 0 26 3 17 8 12 3 8 7 6 3 4 6 3 4 2 6 2 0 95 6 68 9 50 3 37 2 27 8 21 0 16 1 12 4 9 6 7 6 6 0 4 8 3 8 2 5 1 7 1 2 0 8 0 6 224 3 159 7 115 2 84 2 62 3 46 6 35 2 26 9 20 7 16 1 12 6 10 0 8 0 5 2 3 5 2 4 1 6 1 2 94 3 67 9 49 6 36 7 27 4 20 7 15 8 12 2 9 5 7 5 5 9 4 7 3 8 2 5 1 7 1 2 0 8 0 6 0 4 Applicable Thermistors Discharge temp TH Compressor temp TH ...

Страница 73: ...onnector connected to the PCB measure the voltage between CN16 1 3 of the Main PCB 1 Discharge Pressure Sensor Characteristics of pressure sensor 4 5 5 0 0 5 0 Output DCV Pressure MPa DC 02 40 1 1 3 3 WHITE PRESSURE SENSOR BLACK 2 2 RED PS CN16 2 5 2 5 AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 74: ...AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 75: ...3 DISASSEMBLY PROCESS R410A DUCT type INVERTER AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 76: ...CB and FILTER PCB removal DISASSEMBLY PROCESS POWER SUPPLY PCB screw 1 Remove the mounting screws 4 places Hook 2 Remove the control box cover CONTROLLER PCB FILTER PCB FRONT VIEW SIDE VIEW MODEL AR G60LHTA BACK VIEW AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 77: ... Remove the earth screw and locking spacers 4 places locking spacers 3 3 FILTER PCB removal 1 Remove the connectors each wires and terminal wire black white red 3 Remove the terminal bracket earth screw 2 Remove the mounting screws 2 places earth screw 4 Remove the earth screw and locking spacers 5 places locking spacers Hook screw AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 78: ...ew 2 Remove the PANEL TOP ASSY screw screw 4 Remove the mounting screws 4 places 6 Loosen the MOTOR SHAFT screw 7 Slide the left with the SIROCCO FAN and CASING 5 Pull the CASING Tape Reuse the tape MOTOR SHAFT 3 Peel off the tapes AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 79: ...TOR SHAFT reference D cutting position Please insert it till a SIROCCO FAN stop Please install it so that a motor band touches rubber 2 Tighten the screw 1 Insert it till a SIROCCO FAN stop 9 Loosen the screw 8 Take out the SIROCCO FAN and CASING screw hook Unlock the point MOTOR SHAFT NG OK AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 80: ...e THERMISTOR SPRING Remove the THERMISTOR 4 Remove the THERMISTOR screw 03 05 7 DRAIN PAN removal screw 2 Remove the PIPE PANEL 1 Remove the mounting screws 2 places 2 Remove the DRAIN PAN When remove the screw please affix and remove the hand Attention AMP Air Conditioning www ampair co uk sales ampair co uk ...

Страница 81: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan Apr 2013 Printed in Japan AMP Air Conditioning www ampair co uk sales ampair co uk ...

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