Haier AH16NAHAAA Operation & Installation Manual - page 31
30
others
except defrost process, three
times in 30 minutes
overheat protection unit stopsfor 3 times
in one hour
discharge protection unit stops for 3times
in one hour
Ordinary fault and cause reason
Before asking sevice location for repairment,please refer item(1)check your air conditioner by yourself,item
(2) is for professional engineer test .
3
4
5
LED1light
shining(times)
fault content
ambient temp.sensor fault
outdoor coil temp. sensor fault
outdoor phase sequence fault
check time
2 mins
2mins
10secs
The sensor is broken or short
circuit for more than two minutes
The sensor is broken or short
circuit for more than two minutes
choose afer electrified
remark
(2)cooling/heating badly oridinary reason:
refrigerant leakage
cooling system contains non-condensable gas(eg:air)
indoor and outdoor heat exchangers are stucked with dirty
filter is too dirty
cool
heat load is too big
filter capillary
drier is jamed
air inlet
air outlet of indoor
outdoor unit are suffocated.
(1)air conditioner start failure ordinary reason
If power supply voltage is in 10% of rated voltage
if control setting is suitable
if air conditioner is connected with main power supply
if fuse opens or circuit halts
can resume
need check,
resume after reset
discharge temp.A sensor fault
discharge temp.B sensor fault
discharge temp.C sensor fault
communicaiton fault
outdoor suction sensor fault
high pressure protection fault
low pressure protection fault
overheat fault
2mins
2mins
2mins
4mins
5secs
5secs
5secs
2mins
15secs
15secs
30secs
2mins
6
7
8
9
10
11
12
13
14
15
16
17times
The sensor is broken or short
circuit for more than two minutes
The sensor is broken or short
circuit for more than two minutes
The sensor is broken or short
circuit for more than two minutes
Communication is unusual for
more than four minutes
after compressor run for 40s,three
times in 30 minutes
after compressor run for 40s,three
times in 30 minutes
after compressor run for 40s,three
times in 30 minutes
The sensor is broken or short
circuit for more than two minutes
after compressor run ,three
times in 30 minutes
can resume
need check,
resume after
reset
can resume
need check,
resume after
reset
compressor A overcurrent
protection fault
compressor B overcurrent
protection fault
compressor C overcurrent
protection fault
compressor discharge temp.
overhigh fault
Fault Code
Outdoor fault code
Ordinary fault and cause reason
Installation procedures