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1 Unplug the power and re-plug after about 5 seconds
2 Turn on air-conditioner with remote controller.
3 LED and digital tube in the indicator board on or not?
4 Confirm “ powerless” error diagnosis steps normal
5 Air blade moves when press “ air flow” ON
6 Normal
7 Voltage changes between the #35,#36,#37,#38 of the internal chip IC6 (square wave)
8 Chip IC6 error
9 Voltage between IC3: 11~14 of the internal chip ULN2003AFW changes?(square wave)
10 Driver chip IC3 (ULN2003AFW) is false.
11 Step motor error
6. No hot wind blown in heating mold.
（
only for heat pump unit).
6.1. Check item
1)Confirm temperature set by remote controller is lower than indoor temperature
？
2)Whether confirm that indoor PCB is connected to terminal board correctly or not?
6.2. Fault diagnosis procedure
1. Re-start in five minutes after all of above problems improved
Summary of Contents for GPAC12039
Page 35: ...33 ...
Page 36: ...34 Section 6 Explosion View Model e g ...
Page 38: ...36 Outdoor Unit Model e g ...
Page 43: ...41 b Single Cooling Model ...
Page 44: ...42 Section 9 Service Record Date Page Part Cause Report ...
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