Failure Code - Haier AV08NMSETA Service Manual

13. Failure Code

Digital tube Indication on
indication on wired controller
master unit (hex)
20 20-0
20 20-1
21 21
22 22
23 23
24 24
26 26-0
26-1 26-1
26-2 26-2
27 27
28 28
Failure code
definition
Defrosting temp.
AD value is below 11 (open circuit) or
sensor TE1 failure
over 1012 (short circuit) for 60seconds, in
cooling mode, if the sensor is abnormal,
the unit does not deal with it, besides,
in defrosting and within 3 minutes after
Defrosting temp.
defrosting, no alarm.
sensor TE2 failure
AD value is below 11 (open circuit) or
Ambient temp. over 1012 (short circuit) for 60seconds,
sensor Ta failure in defrosting and within 3 minutes after
defrosting, no alarm.
AD value is below 11 (open circuit) or
Suction temp. over 1012 (short circuit) for 60seconds,
sensor Ts failure in defrosting and within 3 minutes after
defrosting, no alarm.
After compressor is running for 5 minutes,
AD value is below 11 (open circuit) or
Discharging temp.
over 1012 (short circuit) for 60seconds, in
sensor Td failure
course of startup, defrosting and within 3
minutes after defrosting, no alarm.
AD value is below 11 (open circuit) or over
Oil temp. sensor 1012 (short circuit) for 60seconds,
Toil failure if Ta<=-10degree or ET<=-10degree, within
5 minutes, no alarm.
For continuous 200 cycles, can not find
connected indoors.
Indoor
For continuous 300seconds, the searched
communication
indoor quantity is less than the set quantity.
failureI
For continuous 300seconds, the searched
indoor quantity is more than the set
quantity.
Toil≥110degree at interval of 25msec for
twice continuously, and over the set value,
Oil temp.too high
then stop and alarm; 3 minutes later,
protection (Toil)
resume automatically. If it occurs 3 times in
an hour, confirm the failure.
AD value is below 11 (open circuit) or
High pressure over 1012 (short circuit) for 30seconds,
sensor Pd failure in defrosting and within 3 minutes after
defrosting, no alarm.
55 55
Failure description Remarks
Resumable
Resumable
Resumable
Resumable
Resumable
Resumable
Once
confirmation,
un-resumable
Resumable