ecoclima EC-W/I-09QC-B, Руководство по обслуживанию

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6.3.4 Compressor does not run.
6.4 Air conditioner operates, but abnormalities are observed
6.4.1 Bad shifting between cooling and heating mode
(Not available in cooling type).
Check compressor capacitor.
Measure the resistance of
compressor coil.
Measure the resistance of power
relay coil.
Measure if power supply voltage is
too low.
Overload protector activates.
The temperature of compressor is
too high.
Refrigerant is
not enough.
Fill it.
Rotor may be blocked.
Yes
No
Remote controller may be detective.
Measure the coil resistance of 4-way reversing valve.
Check the voltage between terminal No.5
and N0.2 on the terminal block (AC220)
Ok
4-way reversing valve
is defective
.
PCB Ass’ y of indoor unit is in error
.
NO voltage
Measure the voltage between terminal No.5 and No.2 on the terminal block (ov).
Cooling
Heating
Cooling
Heating