Daikin EWLP040KAW1N [103/138] Replacing the controller

Troubleshooting ESIE03-03

3–22 Part 3 – Troubleshooting

4.5 Replacing the Controller

Replacing the

controller

To replace the controller, proceed as follows:

Entering the factory

The factory menu is used to set up the identification parameters of the unit according to its controller.

To enter the factory menu, proceed as follows:

For more information on the controller, see "The Digital Controller: EUW(L)5-24KZW1" on page 2–11.

Step Action

1 Remove the connections of the old controller.

2 Remove the old controller.

3 Install the new controller in the same way as the old controller.

4 Reconnect the controller.

5 Reprogram the controller.

Step Action Result

1 Turn ON the power supply.

Make sure that the unit is not working.

If it is, press cto switch OFF the

unit.

Press

sand psimultaneously for

5s.

After 5 s, 0 lights up.

Scroll using

uor dto go to 177.

—

Press

You have entered the factory menu. The screen

displays /3.

If... Then...

There is no controller

installed

E1, E2 or E3 appears

on the screen.

The controller is

installed and correctly

wired

The temperature of

sensor 1 appears.