Daikin RWEYQ26PY1 [192/342] Abnormal power supply voltage

Daikin RWEYQ30PY1 [192/342] Abnormal power supply voltage
Si30-813 Troubleshooting by Indication on the Remote Controller
Troubleshooting 181
2.6 Abnormal Power Supply Voltage
Remote
Controller
Display
A8
Applicable
Models
Indoor unit
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
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.
YES
There are
problems on the condition
of power source described
above.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Correct any fault.
NO
NO
YES
"A8"
Reoccurrence of
malfunction.
Check and correct each wiring.
It is possible to have external
factor, such as brownout and
instantaneous blackout.

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