Daikin Outdoor Unit Cooling Only Air Conditioner RKS25BVMB

Air filters cleaned with water or vacuum cleaner

Was the dust difficult to remove?

Air filters dried up in the shade

Sign off on the air filter cleaning

Warning: Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.

Be sure to avoid forgetting to restore the shelter and to avoid loosing or damaging it.

1) Undo the five hooks and remove the shelter.

2) Remove the four screws fixing the PCB.

3) Disconnect the wire harness.

Base, stand and other fittings of the outdoor unit are not decayed or corroded

Nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit

Earth wire is not disconnected or broken

Drain comes smoothly out of the drain hose during COOL or DRY operation

If no drain water is seen, is water leaking from the indoor unit?

If water is leaking from the indoor unit, stop operation and consult the service shop

Sign off on the air conditioner check

Warning: Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.

Removed the parts around the compressor

Removed the terminal cover and the lead wires of the compressor

Removed the mounting nut for the compressor

Removed the four way valve and the motor valve

Confirm that the refrigerant is completely empty in the refrigerant circuit before starting work.

Warning!: Since it may happen that refrigeration oil in the compressor will catch fire, prepare wet cloth so as to extinguish the fire quickly.

Warning!: Ventilate when the refrigerant leaks during the work. (If the refrigerant is exposed to the fire, it will cause toxic gas).

Caution: Be careful about pipes and so on, which were heated up by a gas brazing machine, so as not to get burnt on your hands.

Output voltage between pins 1 and 3

Number of pulses between pins 2 and 3 when the fan motor is operating

Select the faulty part based on the results

Based on the selected faulty part, replace the corresponding component