Daikin Cooling-only Outdoor Unit RKS36LVJU

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

Preparation: Remove the electrical box according to the 'Removal of Electrical Box'.

Remove the 2 lower screws first.

Then, remove the 2 upper screws.

Be sure to remove the lower screws first. If the top screws are removed first, the fan motor may tilt down or fall and cause injury because its center of gravity is shifted to the front.

When reassembling, make sure that the wire harness is facing downward.

Sign off on the fan motor removal

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

Remove the screw on the stop valve mounting plate.

Remove the screw on the partition plate (1).

Remove the 2 screws to detach the ground wires.

Disconnect the connector for fan motor [S70] and release the 4 clamps attached to the electrical box.

When reassembling, insert each clamp into the small hole.

Release the fan motor lead wire.

When reassembling, do not use these 2 hooks.

Disconnect the connectors of the front side.

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

Pull out the 3 lead wires. U: red, V: yellow, W: blue

Remove the overload protector (OL).

Before working, make sure that the refrigerant gas is empty in the circuit.

Be sure to apply nitrogen replacement when heating up the brazed part.

Warning: Use caution to avoid burning yourself with pipes and other parts that are heated by the gas brazing machine.

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

Warning: If the refrigerant oil in the compressor catches fire, have a wet cloth prepared to extinguish the fire immediately.

1. When the timer cancel button is held down for 5 seconds, 00 is displayed on the temperature display screen.

2. Press the timer cancel button repeatedly until a long beep sounds.

The code indication changes in the sequence shown below.

Note: 1. A short beep or two consecutive beeps indicate non-corresponding codes.

2. To return to the normal mode, hold the timer cancel button down for 5 seconds. When the remote controller is left untouched for 60 seconds, it also returns to the normal mode.

3. Not all the error codes are displayed. When you cannot find the error code, try the check method 2. (Refer to page 92.)

Check Method 2 1. Press the 3 buttons (TEMP, TEMP, MODE) at the same time to enter the diagnosis mode.

Check the connection of connector

Check the motor power supply voltage output (pins 4 - 7)

Check the motor control voltage (pins 4 - 3)

Check the rotation command voltage (pins 4 - 2)

Check the rotation pulse (pins 4 - 1)

Sign off on the Fan Motor Connector Output Check