Haier InoSens MRV SI AU032FSEUA User Manual

57
Inverter outdoor unit failure code
17. Failure Code
Digital tube
indication
on master
unit
Indication
on wired
controller
(hex)
Failure code
denition
Failure description Remarks
20 20-0
Defrosting temp.
sensor Te failure
AD value is below 11(open circuit) or 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, no alarm
Resumable
20-1 20-1
Defrosting temp.
sensor Tc failure
21 21
Ambient temp.
sensor Ta failure
AD value is below 11(open circuit) or over 1012(short
circuit) for 60seconds, in defrosting and within 3 minutes
after defrosting, no alarm
Resumable
22 22
Suction temp.
sensor Ts failure
AD value is below 11(open circuit) or over 1012(short
circuit) for 60seconds, in defrosting and within 3 minutes
after defrosting, no alarm
Resumable
23 23
Discharging temp.
sensor Td failure
After compressor is running for 5 minutes, AD value
is below 11(open circuit) or over 1012(short circuit) for
60seconds, in course of startup, defrosting and within 3
minutes after defrosting, no alarm
Resumable
26 26-0
Indoor
communication
failure
For continuous 200 cycles, can not nd connected
indoors
Resumable26-1 26-1
For continuous 300seconds, the searched indoor quantity
is less than the set quantity.
26-2 26-2
For continuous 300seconds, the searched indoor quantity
is more than the set quantity.
28 28
High pressure
sensor Pd failure
AD value is below 11(open circuit) or
over 1012(short circuit) for 30seconds,
in defrosting and within 3 minutes after
defrosting, no alarm
Resumable
29 29
Low pressure
sensor Ps failure
AD value is below 11(open circuit) or
over 1012(short circuit) for 30seconds,
in defrosting and within 3 minutes after
defrosting, no alarm
Resumable
30 30
High pressure
switch HPS failure
If disconnect for 50ms continuously, alarm. If alarm 3
times in an hour, conrm the failure
Once
conrmation,
un-
resumable
33 33 EEPROM failure EEPROM failure
Once
conrmation,
un-
resumable
34 34
Discharging temp.
too high protection
(Td)
Td≥239°F(115°C) at interval of 25msec for twice
continuously, and over the set value, then stop and
alarm; 3 minutes later, resume automatically. If it occurs
3 times in an hour, conrm the failure.
Once
conrmation,
un-
resumable
35 35
4-way valve
reversing failure
After 4-way valve is electried for 3 minutes, if the below
conditions can be met for continous 10 seconds, that is
conversing successfully:
1. this outdoor compressor is running normally
2. Pd-Ps≥87PSI(0.6MPa), Otherwise, the system alarms
reversing failure.
Once
conrmation,
un-
resumable

Haier InoSens MRV SI AU032FSEUA Specifications

General

Brand	Haier
Model	InoSens MRV SI AU032FSEUA
Category	Air Conditioner
Language	English