Daikin FTXS60GV1B Service Manual page 101

Inverter pair wall mounted type g-series
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SiBE041011_A
Troubleshooting
RK(X)S60F3V1B, 71 class
Check No.15
Refer to P.106
Check No.18
Refer to P.108
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Turn off the power.
Check the power supply voltage.
Voltage as rated?
YES
Check No. 18
Check the discharge pressure.
OK?
YES
Check the connection.
Electrical
components or
compressor harnesses
connected as
specified?
YES
Turn on the power.
Check the electrolytic capacitor
voltage.
320 ± 50 VDC?
YES
Turn off the power. Disconnect the
harnesses U, V, and W.
Check No.15
Check with the inverter analyzer.
Any LED OFF?
NO
NO
NO
NO
NO
∗ Inverter analyzer:
RSUK0917C
YES
Troubleshooting
Correct the power supply.
Replace the stop valve.
Reconnect the electrical
components or compressor
harnesses as specified.
Replace the outdoor unit
PCB.
Correct the power supply or
replace the outdoor unit
PCB.
Replace the compressor.
(R18329)
91

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