Haier AC36NACAAA [52/87] Diagnostic information trouble shooting

Haier AC36NACAAA [52/87] Diagnostic information trouble shooting
Trouble Checkup result Possible reasons Corresponding solution
Three minutes’ protection for compressor
The compressor will work normal
after three minutes
Too low temperature of indoor coil pipe
causes overcooling protection
It will restore automatically when
the temperature of indoor coil pipe
rises to 7
No output at 11 pin of 2803 on
or board
indo
Damaged 2803 Replace with a good 2803
No output of relay JK6 on indoor
board
Damaged relay JK6 on indoor board Replace with a good JK6
During cooling program,
the compressor does not
start when the
temperature meets
proper conditions
No output of relay JK6 on indoor
board
Connection cable between the compressor
and JK6 isn’t plugged well
Plug the connection cable well
3 minutes’ delay protection for compressor
It will restore normally after 3
it
Too high temperature of indoor coil pipe
causes overheat protection
It will automatically restore when
the temperature of indoor coil pipe
falls to 57
During heating program,
the compressor does not
start when the
temperature meet proper
conditions
No output at 11 pin of 2803 of
indoor board
Damaged 2803 Replace with a good 2803
No output of relay JK6 on indoor
board
Damaged relay JK6 on indoor board Replace with a good JK6
During heating program,
the compressor does not
start when the
temperature meet proper
conditions
Available output of relay JK6 on
indoor board
Connection cable between compressor
and JK6 isn’t plugged well
Plug the connection cable well
No output at collector of Q2 on
indoor board
Damaged Q2 Replace with a good Q2
No output of relay JK8 on indoor
board
Damaged relay JK8 on indoor board Replace with a good JK8
During cooling program,
the compressor works
while outdoor blowing
fan does not
Available output of relays on
indoor board
Socket CN6 is not plugged well with
connection cable
Plug the connection cable well
DIAGNOSTIC INFORMATION (TROUBLE SHOOTING)

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