Daikin MC704AVM [26/44] Troubleshooting case by case

Daikin MC704AVM [26/44] Troubleshooting case by case
EDBE81-327 Troubleshooting
Photocatalytic Air Purifiers 25
6.2 Troubleshooting (case-by-case)
1 Models Covered 5 Troubleshooting
*Be sure to insert/pull out the connector after
turning off the power. It may cause malfunction.
MC704VM
Diagnosis Remedy
*Release child lock.
Replace ON/OFF
switch cover.
(Replace display
PCB).
Go to “2. Remote
controller sends
signals erratically”.
Plug in AC cord.
Set breaker to
“ON”.
Wait for power res-
toration.
When unspecified
voltage is applied.
Replace power
supply PCB.
(Varister or fuse
may be damaged.)
Contact power
company.
Replace panel.
*Projection on door
switch
Replace panel
(door switch is not
securely mounted
due to deformity).
Go to “4. PCB is
defective”.
2 Method of Mal-
function Detection
3 Malfunction Deci-
sion conditions
4 Supposed Causes
The safety device is activated due
to poor assembly of the panel.
Door switch is defective.
The unit is not turned on.
Unspecified voltage is used.
The battery for the remote
controller is exhausted.
1. Equipment does not Operate, or Operation Lamps does not Light

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