Yes
Yes
YES
NO
Whether terminal CN8 and
CN9 on indoor PCB well
inserted or not?
Pull out and reinsert the terminals
Electrify the machine again and turn it on in the cooling
operation, Measure voltage between the positions red wire
and black wire of Terminal CN9 on the indoor PCB
NO
The indoor pcb is damaged and need replace
. The voltage is about
90-200vac
Check whether motor
can run when turn on
the unit
the indoor motor is damaged and need replace
NO
When motor is running Measure
whether there is voltage
pulse(0-5VDC) between the
positions 2 (middle wire) and
3( black wire) of Terminal CN8 on
the indoor PCB
The indoor motor is damaged and need
replace
The indoor pcb is damaged and need replace
NO
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+68+(.5
35
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