Daikin Outdoor Heat Pump RXS60F2V1B

Warning: This procedure requires trained personnel with PPE!

Enter the power supply waveform measurement between No.1 and No.2 on the terminal board

Is the power supply waveform a sine wave?

Is there waveform disturbance near the zero cross?

Sign off on the power supply waveform check

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

Warning: Take care not to cut your finger by the fins of the outdoor heat exchanger.

Remove the 4 screws and lift the top panel.

Remove the 4 screws and remove the discharge grille. Slide the discharge grille upwards and remove it. The discharge grille has 4 hooks.

Remove the 6 screws of the front panel.

Push the front panel and lift the shield plate to unfasten the hooks.

Unfasten the left side hooks, and then the right side hook.

Lift the front panel while pushing the left side panel inwards.

Lift the front panel and unfasten the right side hook.

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

Preparation: Remove the top panel and the front panel according to the “Removal of Outer Panels”. This procedure is not necessary to remove the outdoor fan only.

Removed the screw of the shield plate?

Unfastened the 2 hooks and removed the shield plate?

Unfastened the 4 hooks of the electrical box cover and removed it?

Disconnected the connector for the fan motor [S70]?

Released the fan motor lead wire from the 7 hooks?

Removed the washer fitted nut of the outdoor fan?

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

Disconnect the lead wires of the compressor.

Release the clamp with pliers to detach the compressor lead wires.

Warning: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.

Warning: If the refrigerant gas leaks during work, ventilate the room. (If the refrigerant gas is exposed to flames, toxic gas may be generated.)

Warning: Since it may happen that the refrigerant oil in the compressor catches fire, prepare wet cloth so as to extinguish fire immediately.

Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to collect all the refrigerant gas.

EV connector correctly connected to the PCB

EV generates latching sound when power is turned off and on

Continuity confirmed when connector is disconnected and checked with a tester

Check the continuity between the pins

EV coil is not faulty if there is continuity between the pins

Outdoor unit PCB is not faulty if continuity is confirmed

Note: The latching sound varies depending on the valve type.

Sign off on the electronic expansion valve check