Mitsubishi Electric Mr. Slim SUZ-SA71VA, Техническое и сервисное руководство

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I Check of LEV
Turn on power supply to the outdoor unit after checking
LEV coil is fixed to the LEV body securely.
Yes
Disconnect the connector CN724 is there nor -
mal resistance to LEV coil?
No
Replace the inverter P.C. board.
Replace the LEV coil.
No
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 flash 10 times?
Replace the inverter P.C. board.
Check the corresponding parts
following LED indication.
(Refer to 11-3.)
Yes
No
Yes
(10-time flash)
No
J Check of inverter P.C. board
OCH561