Mitsubishi FDCVA302HENR User Manual

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119
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(5) Check method in the case of the failure display in the remote controller
(a) Louver motor does not operate
 Inspect at the indoor unit side.
Does the
louver operate at
power on?
NO
YES
Is LM wire
broken?
NO
YES
Is the
louver operated
with the remote
controller
YES
NO
Repair the wire
Normal
Is LM wire
locked?
NO
YES
Replace LM
Defective indoor
unit PCB
Operate more than
1 min. later
Defective indoor unit
PCB ® Replacement
Note (1) LM; Louver motor
(b) 4 way valve does not switch during heating operation
Is the
voltage between
connector CnS 1 and 2
AC 220/240V?
YES
NO
Defective 20S
→ Replacement
Defective outdoor unit PCB
→ Replacement

Mitsubishi FDCVA302HENR Specifications

General

Brand	Mitsubishi
Model	FDCVA302HENR
Category	Air Conditioner
Language	English