How To Make Sure Of Wireless Remote Control; Inspection Procedure For Blown Fuse On The Indoor And Outdoor Unit Pcb - Mitsubishi Heavy Industries SRK15ZTL-W Service Manual

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(10) How to make sure of wireless remote control

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(11) Inspection procedure for blown fuse on the indoor and outdoor unit PCB

(
Faulty part, other than
fan motor
Replace the faulty part and the
fuse. Test-run then the unit for
checking.
Replace the indoor and outdoor unit PCB and the fan motor. Check then the operation.
Measure in this section
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Is the fuse blown on the indoor and
outdoor unit PCB?
)
YES
YES
Is there any faulty part (fan motor, etc)?
(See pages 38 to 42.)
YES (Fan motor is faulty.)
Is there any damage on the internal circuit
of fan motor?
Check the resistance value to judge.
(See pages 38 to 42.)
Replace the fuse on the indoor and
outdoor unit PCB. When the operation
is checked without connecting the fan
motor connector, does the fuse blow?
YES
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Simplified check method of wireless remote control
It is normal if the signal transmission section of the wireless remote
control emits a whitish light at each transmission on the monitor of
digital camera.
Go to the inspection procedure for electric
NO
equipment of indoor and outdoor units.
(See pages 38 to 42.)
NO
Replace the fuse, and check the operation.
NO
Replace the fan motor, and check the operation.
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