Daikin BA-Series, Руководство по обслуживанию, Страница: 98 / 137

Troubleshooting SiBE05-722ED
87 Service Diagnosis
Troubleshooting
Check No.15
Refer to P.103
Check No.18
Refer to P.106
Check No.20
Refer to P.107
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
YES
Turn off the power.
Check the connection.
Check the power supply voltage.
Correct the power supply.
Voltage as rated?
(R19184)
NO
NO
NO
NO
YES
YES
YES
YES
Check No. 20
Check the short circuit of the diode
bridge.
Check No.15
Check with the inverter analyzer.
Turn off the power. Disconnect the
harnesses U, V, and W.
Turn on the power.
Check the electrolytic capacitor
voltage.
Electrical
components or
compressor harnesses
connected as
specified?
Replace the outdoor unit
PCB.
Replace the compressor.
Correct the power supply
or replace the outdoor unit
PCB.
Reconnect the electrical
components or compressor
harnesses as specified.
Replace the outdoor unit
PCB.
∗
Inverter analyzer:
RSUK0917C
Normal?
NO
YES
Check No. 18
Check the discharge pressure.
Replace the stop valve.
OK?
320 ± 50 VDC?
Any LED OFF?