AUX EA Series, Руководство по обслуживанию

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AUX Air Conditioner Service manual
41
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 unit.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 correc
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