Daikin VRV X RXQ6-48ANR Series, Руководство по обслуживанию

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SiME341909EA Troubleshooting by Error Code
Part 6 Service Diagnosis 233
Troubleshooting
 Subcode P4-01, 04, 05, 06, 07, 08
 Subcode P4-02, 03, 15, 16, 17, 18
Check in Monitor Mode
For the models equipped with
2 compressors, check the
compressor M1C or M2C
applicable to the error code
P4 while in monitor mode of
the outdoor unit.
Make measurement of
resistance of the radiation
fin thermistor.
Is the
resistance of the
relevant thermistor
normal?
The
insulation
resistance of the
relevant compressor is not
more than
100 k
Ω
.
NO
YES
YES
NO
Replace the inverter PCB. (
#
1)
#
1
RXQ6-12AR: A3P
RXQ14/16AR: A3P, A6P
Replace the compressor.
RXQ6-12AR: M1C
RXQ14/16AR: M1C, M2C
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
The insulation
resistance of the relevant
fan motor is not more
than 1 M
Ω
.
Turn ON the
power supply.
Does the error
recur?
NO
YES
NO
YES
Replace the fan motor.
Replace the inverter PCB. (
#
1)
Continue operation.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
Replace the fan motor.
YES
The insulation
resistance of the
relevant fan motor is
less than 1 M
Ω
.
Continue operation.
NO
Replace the relevant fan
PCB.
RXQ6/8AR: A4P
RXQ10-16AR: A4P, A7P
YES
Turn ON
the power supply.
Does the error recur?