Mitsubishi Electric SUZ-KA71VA4 Manual de servicio descargar pdf (Pagina 32)

I Check of LEV

Turn on power supply to the outdoor unit after checking

LEV coil is ﬁ xed to the LEV body securely.

Yes

Disconnect the connector CN724 is there nor-

mal resistance to LEV coil?

Replace the inverter P.C. board.

Replace the LEV coil.

Normal

Start

Is "click - click" sound heard?

Or, do you feel vibration of the LEV coil with a hand?

Yes

Check the outdoor fan motor.

(Refer to .)

Is the fuse (F901) blown on the in-

verter P.C. board?

Check the connection of the connectors

(CN931, CN932) of the outdoor fan mo-

tor.

If the connection is poor, make it correct.

Operate the outdoor unit by starting

EMERGENCY OPERATION.

Check the LED indication on the in-

verter P.C. board.

Does the LED ﬂ ash 10 times?

Replace the inverter P.C. board.

Check the corresponding parts

following LED indication.

(Refer to 11-3.)

Yes

(10-time ﬂ ash)

J Check of inverter P.C. board

OCH545

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Mitsubishi Electric SUZ-KA71VA4 Manual de servicio Pagina 32