Akai MWF-18CRN1-QC1G, Instruction Manual

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Cooling mode doesn't work or cooling not enough.
The air-con doesn’t work.
Check the operation mode.
Check the power supply.
Check whether dust filter is too dirty.
Replace the PCB.
Replace the capillary.
Check the setting temperature.
Check the wiring.
Start the unit with cool mode and check whether the temperature of
compressor’s discharge pipe is smaller than 90
°
C. If no, recharge refrigerant.
Check whether the transformer is failed. Measure the output voltage of transformer
and check whether it is the range from +5V to 12V. If not, replace the transformer.
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No
No
No
No
No
No