Haier AD482MPERA - Page 250

249
LD indication
on master
unit
Indication
on wired
controller
(hex)
Failure code definition Failure description Remarks
21 15
Ambient temp. sensor Tao
failure
AD value is detected below 11(open circuit) or above
1012 (short circuit) for 60 secs.
Resumable
22-0 16
Suction temp. sensor Tsi
failure
22-1 16
Suction temp. sensor Tsacc
failure
AD value is detected below 11(open circuit) or above
1012 (short circuit) for 60 secs. Cooling mode operate
without handling this abnormal sensor.
Resumable
23-0 17 Discharging sensor Tdi failure
AD value is detected below 11(open circuit) or above
1012 (short circuit) for 60 secs. If tao≤0
℃
, no detect of
the open circuit (ad value is blow 11).
Resumable23-1 17
Discharging sensor Td1
failure
23-2 17
Outdoor gas pipe temp.
sensor Tdp/Tsuc failure
24-0 18 Oil temp. sensor Toilp failure
AD value is below 11(open circuit) or above 1012(short
circuit), alarm. If Tao<0
℃
, no open circuit failure alarm;
if Tao>=0
℃
and ET>=0
℃
, no open circuit failure alarm
in 5 minutes
Resumable
24-1 18 Oil temp. sensor Toili failure
AD value is below 11(open circuit) or above 1012(short
circuit), alarm. If Tao<0
℃
or not in the normal running
condition, no open circuit failure alarm;
25-0 19
Inlet temp. of heat exchanger
toci1 failure
AD value is below 11(open circuit) or above 1012(short
circuit), alarm. No handling of this abnormal sensor when
cooling mode is operating.
Resumable
25-1 19
Two1 water outlet 1 temp.
failure of water heat
exchanger