.
.8 Power Supply Over or under voltage fault
Outdoor display: LED1 flash 6 times The power supply is over voltage
abnormal voltage rise or fall is detected by checking the specified voltage detection circuit.
An voltage signal is fed from the voltage detection circuit to the microcomputer
■
Supply voltage not as specified
■
the IPM module is broken
■
the outdoor PCB is broken
* Caution Be sure to turn off power switch before connect or disconnect connector, or else
parts damage may be occurred.
Electrify the machine again and turn it on with
the remote controller. Check whether the
compressor is started normally
Is it ok?
Yes
Maybe there is some disturbance
NO
No
~230 is ok?
Yes
Yes
This question may be caused by the power. Repair
the power supply.
NO
Change the IPM module
Change the IPM module
Test the outdoor power supply
(+310VDC) with a multimeter.
check whether the power
is >150 V or <390V?
Service diagnosis
Domestic air conditioner
Conditions
Supposed
Causes
Troubleshooting
Method of
malfunction detection
Malfunction detection
conditions
Содержание 2U14CS4ERA
Страница 10: ... Pinping diagrams Domestic air conditioner 4ˊPinping diagrams 8 ...
Страница 11: ... Operation range Domestic air conditioner 5ˊOperation range 9 ...
Страница 15: ...PCB 2 CN1 CN5 CN6 CN7 CN10 CN11 CN8 CN9 CN2 CN3 CN4 Domestic air conditioner Wiring diagram ...
Страница 16: ...0 Wiring diagram Domestic air conditioner ...
Страница 35: ...WARNING CAUTION Installations Domestic air conditioner 33 ...
Страница 36: ...Installations Domestic air conditioner 34 ...
Страница 37: ...Installations Domestic air conditioner 35 ...
Страница 38: ...Installations Domestic air conditioner 36 ...
Страница 39: ...Installations Domestic air conditioner 37 ...
Страница 40: ...Installations Domestic air conditioner 38 ...
Страница 41: ...Installations Domestic air conditioner 39 ...
Страница 85: ...1 Removal Procedure 1 Domestic Air Conditioner p ...
Страница 86: ...Loosen the top panel screws 1 2 Lift the top panel Removal Procedure 2 Domestic Air Conditioner ...
Страница 87: ...Loosen the screws and pull the panel Removal Procedure 3 Domestic Air Conditioner ...
Страница 89: ...Removal Procedure 5 Domestic Air Conditioner 2 ...
Страница 90: ...Removal Procedure 6 Domestic Air Conditioner 3 ...
Страница 91: ...2 Loosen the fixing screws and remove the motor Removal Procedure 7 Domestic Air Conditioner ...
Страница 92: ...Removal Procedure 8 Domestic Air Conditioner 4 F M P B ...
Страница 93: ...and remove the reactor Loosen the screw Removal Procedure 9 Domestic Air Conditioner ...
Страница 94: ...Loosen the marked screws and pull out the backgurd Removal Procedure 10 Domestic Air Conditioner 5 C H E 1 ...
Страница 96: ...4 Remove the compre ssor and pipe assay 5 Remove the conden ser Removal Procedure 12 Domestic Air Conditioner ...