18
Troubleshooting (cont’d)
ΙΙΙ
3-2 UQ12AA(B)MCF
1) Checklist :
(1) Is LED 01(GRN) on?
(2) Are all connectors linked correctly?
2) Troubleshooting procedure
Check the power supply between “L1” and “L2” of the
outdoor terminal block
Is voltage rating between “L1” and “1” ?
Is LED 01 of the indoor PCB on?
Is the compressor on?
Is the Outdoor fan on?
Is AC voltage between “L1” and “1” (CN76)?
Normal
Check the indoor PCB again
Check the connection wire and No Power
Refer to page 14
Check the compressor lead wire again
Check the indoor PCB and connection
wire again
YES
YES
YES
YES
NO
NO
NO
NO
AQ09A5(6)MA SM_E_15777 1/12/04 5:02 PM Page 18
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