28
4
、
Malfunction of the outer door motor
4.1. Check item
1) Is input voltage normal
？
2) Is the connecting way of exterior connecting terminal correct
？
3) Is indoor and outdoor communication normal
？
4.2. Fault diagnosis procedure
Note
：
Each air conditioner is correspondent with an outdoor unit and two indoor units and a
set of controller. Please check accordingly.
Outdoor unit has two independent sets of systems. with a common fan. There may be cases
when one of the systems work well and the other doesn't. and this needs to observe the
running of compressor to make a judgment.
1 Unplug the power and re-plug after about 5 seconds
2 Is outdoor controller normal?
3 Is output voltage of relay normal? Socket connection is correct
4 Outdoor unit abnormal
5 Check according to “powerless” diagnosis part
6 Relay abnormal
7 Replace relay
5. Repeating motor of transmit fan blade is out of work
5.1. Check item
1
）
Input voltage is normal
？
2
）
Whether step motor reliable tie CN2
？
5.2. Fault diagnosis procedure
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 ...
Page 45: ......
