Sinclair ASE-24AH Manuale di Servizio Scaricare il pdf (Pagina 22)

Lack of phase

Check the power supply, is it 3 phase,

380

415V?

Check the connection between power supply and terminal,

is the voltage in outdoor terminal is 3 phase, 380-415V?

Outdoor PCB is defective

Yes

a. Phase sequence error:

b. Overload of current

c. Lack of phase

Phase sequence error

Change the order of two of the wires to power supply.

Switch on the unit again.

If the problem can not be solved, the outdoor PCB is defective

Overload of current

Check the current, normally

Is the current in rated range?

The outdoor PCB is defective

Possible reason

1. Outdoor fan is defective

2. The compressor is defective

3. Refrigerant is over charged

4. Air enter the refrigerant system

5. Heat exchanger is too dirty

Yes

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Sinclair ASE-24AH Manuale di Servizio Pagina 22