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Troubleshooting by Error Code
SiME341909EA
238
Part 6 Service Diagnosis
Reference
CHECK 4
Refer to page 264.
The
inverter PCB (
#
1)
has damage.
The
system enters
standby mode before the
outdoor fan starts
rotating.
The
system enters
standby mode before
completing the startup
operation of the
compressor.
The error
U2
recurs.
NO
NO
YES
YES
NO
YES
NO
YES
Replace the inverter PCB
(
#
1).
Check for wirings.
Turn ON the power supply,
and then press the ON button.
Replace the inverter PCB
(
#
1).
If the inverter PCB gets
severely damaged, the
compressor and the fan
motor may have been
damaged.
Replace the inverter PCB
(
#
1).
If the inverter PCB gets
severely damaged, check
for the compressor.
Continue operation.
The error could have
resulted from causes such
as instantaneous power
failure.
A
Is the power
transistor normal?
YES
NO
Replace the inverter PCB.
(
1)
Connect and disconnect the
connectors as shown in the
table.
CHECK 4
The insulation
resistance of the fan
motor is not more
than 1 M
Ω
.
NO
YES
Replace the fan motor.
If the motor gets severely
damaged, the inverter
PCB (
#
1) should also be
replaced.
#
1
RXQ6/8AR: A4P
RXQ10-16AR: A4P, A7P
A1P
A3P
A1P
A3P
A6P
X20A
X4A
X20A
X4A
X28A
X6A
X28A
X6A
X40A
X63A
X40A
X63A
X41A
X63A
X41A
X4A
X61A
X6A
RXQ6-12AR
RXQ14/16AR
Содержание VRV X RXQ10ARYFK
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