80 PB
TROUBLESHOOTING
Error Code 36
Error code 36
Communication trouble
Is the order of all wires
including the indoor and
outdoor unit correct?
Are all lead wires connecting
indoor and outdoor unit
loosen?
Adjust the order of wires
Retighten the wires connecting
indoor and outdoor unit loosen
Repalce the indoor control
board
Measure the DC voltage
between SI and N then check
if the value of the voltage
change between 0V and 24V
end
Repalce the outdoor
control board
Check the DC voltage between
SI and N if the voltage change
between 0V and 24V
No
Yes
Yes
No
No
Yes
No
Yes
SI and N test point:
Fig. 716
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