Daikin VRV X RXQ6-48ANR Series Service Manual page 222

Troubleshooting by Error Code
Troubleshooting
Turn OFF the power supply
once, and then turn it ON
again.
For the models equipped with
2 compressors, check the
compressor M1C or M2C
applicable to the error code L 1
while in monitor mode of the
outdoor unit.
Reference
CHECK 4 Refer to page 264.
216
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
YES
Return to normal?
NO
Check in Monitor Mode
CHECK 4
NO
Is the power
transistor normal?
YES
CHECK 4
Is the power
NO
transistor of the fan
driver normal?
YES
Is the
insulation to
ground resistance of NO
the relevant compressor
100 kΩ or
more?
YES
SiME341909EA
The error could have resulted from
external factors other than failures
(e.g. external noise or thunder).
Replace the compressor (1) and
the inverter PCB (2) together.
Replace the inverter PCB. (2)
Replace the inverter PCB (2) and
the fan PCB (3).
Replace the inverter PCB. (2)
1
RXQ6-12AR: M1C
RXQ14/16AR: M1C, M2C
#2
RXQ6-12AR: A3P
RXQ14/16AR: A3P, A6P
#3
RXQ6/8AR: A4P
RXQ10-16AR: A4P, A7P
Part 6 Service Diagnosis