Service diagnosis
41
Domestic air conditioner
10.3.8 Power Supply Over or under voltage fault
Outdoor display:
Ƶƾƶ)
LED1 flash 6 times The power supply is over voltage
Method of An abnormal voltage rise or fall is detected by checking the specified voltage detection circuit.
Malfunction
Detection
Malfunction An voltage signal is fed from the voltage detection circuit to the microcomputer
Decision
Conditions
Supposed
Ŷ
Supply voltage not as specified
Causes
Ŷ
the IPM module is broken
Ŷ
the outdoor PCB is broken
Troubleshooting * 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?
Summary of Contents for GES-NX2G35OUT
Page 11: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 ...
Page 12: ...Operation range Domestic air conditioner 5 Operation range 10 ...
Page 39: ...Service diagnosis 37 Domestic air conditioner ...
Page 61: ...Removal Procedure 1 Removal of Outdoor Panel ...
Page 62: ...Removal Procedure n o i t i d n o C r i A c i t s e m o D 2 ...
Page 63: ...4 Removal Procedure 3 Domestic Air Condition ...
Page 64: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR ...
Page 65: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR ...
Page 66: ...Removal Procedure 4 Removal of Fan Motor Brcked and Partition ...
Page 67: ...Removal Procedure 7 Domestic Air Condition ...
Page 68: ...Removal Procedure 5 Removal of Compressor and Heat Exchanger ...