Sharp AE-X30EJ Servisní příručka stáhnout pdf (Strana 20)

3 – 9

3. When all rooms are not heated

Does the air get cooler in the

cooling operation mode?

Check the four-way valve.

Has the cycle been switched?

Is AC230V applied between

the connector(CN4) 1 and 3

of the 4-way valve ?

Replace the 4-way valve.Pressure check

The heating cycle is normal.

Refer to 1 All rooms are

not cooled.

Press the ON switch on the

remote control to run the air

conditioner.

Set the temperature to 32

in the heating mode and

start operation.

Is the outdoor compressor

running?

Yes

1-2 AE-XM30FR;

Yes

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Sharp AE-X30EJ Servisní příručka Strana 20