Haier AE092FCBKA [100/126] Commercial air conditione

Haier AB092FCBIA [100/126] Commercial air conditione
Commercial Air Conditioner Model: AU242FHBIA,
AU482FIBIA, AU48NFIBJA
AU48NFIBJA malfunction code:
Malfunction description Code
LED display on
the regulating
board
If sent to
indoor unit?
Remarks
Normal 0 Normal Yes
Defrosting temperature
sensor abnormal
1 E.4.
Yes
Resumable
Ambient temperature sensor
abnormal
2 E.1.
Yes Resumable
Suction temperature sensor
abnormal
3 E.3.
Yes Resumable
Discharging temperature
sensor abnormal
4 E.2.
Yes Resumable
Coil temperature sensor
abnormal
5 E.5.
Yes Resumable
O.C.
Yes
Over current protection 6
P O.C. no
After there are current malfunction for 3
times in 1 hour, the testing board will
display the last abnormal reason P X.X.
Need powered off and restart
Current sensor abnormal 7 C.T.
Yes After trouble shooting, need powered off
and restart
O.L. Yes
Overload protection 8
P O.L. no
E.P. Yes
IPM protection 9
P E.P. no
After there are current malfunction for 3
times in 1 hour, the testing board will
display the last abnormal reason P X.X.
Need powered off and restart
Read EEPROM value
wrongly
10 P E.E.
no
Need reset and restart
O.D. Yes
Discharging temperature
over high abnormal
11
P O.D. no
After there are current malfunction for 3
times in half an hour, the testing board
will display the last abnormal reason P
X.X. Need powered off and restart
High pressure switch
abnormal
12 O.P.
Yes
Resumable
L.U.
Voltage over low protection 13
P L.U.
Yes
O.U.
Voltage over high protection 14
P O.U.
Yes
After there are voltage malfunction for 3
times in 1 hour, the testing board will
display the last abnormal reason P X.X.
Need powered off and restart
Compressor overheat
protection
15 O.H.
Yes
Resumable
Recover the parameter set
when out of factory
16 P I.A.
no
Need reset and restart
Clear the malfunction
memory
17 P C.T.
no Need reset and restart
Need reset 18 P r.E. no Need reset and restart
Radiator temperature sensor
abnormal
-- --
No use
temporarily
-100-

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