Daikin ERQ, Руководство по обслуживанию

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Troubleshooting by Indication on the Remote Controller ESIE09-05
168 Troubleshooting
3.4 Abnormal Power Supply Voltage
Remote
Controller
Display
A8
Applicable
Models
FXMQ40~125P
Method of
Malfunction
Detection
Detect malfunction checking the input voltage of fan motor.
Malfunction
Decision
Conditions
When the input voltage of fan motor is 150V and below, or 386V and above.
Supposed
Causes
The possible causes are:
„ Power-supply voltage malfunction.
„
Connection defect on signal line.
„ Wiring defect.
„ Instantaneous blackout, others.
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Check the condition of the
power source.
���
Check if power-supply voltage
is 220V - 240V ± 10%.
���
Check if there is power open
phase or faulty wiring.
���
Check if power-supply voltage
side unbalance is within 6V.
"
)&
"
Reoccurrence of
malfunction.
YES
Check and correct each
wiring.
It is possible to have external
factor, such as brownout and
instantaneous blackout.
There
are problems on the
condition of power source
described
above.
YES
Correct any fault.
NO
NO
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