(R14463)
Caution
YES
2 sec
Time
NO
NO
YES
YES
NO
YES
NO
YES
NO
Current
(guideline)
Turn off the power and turn it on
again.
Start operation.
Check No. 21
Check the capacitor voltage.
Measure the rectifier input voltage.
Turn off the power and reconnect
the harnesses. Then turn on the
power again and restart operation.
Check No. 15
Check with the inverter checker (∗).
Turn off the power. Disconnect the
harnesses U, V, and W.
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Check the supply voltage.
Replace the compressor.
Capacitor charged when
the indoor unit or outdoor
unit main relay turns on
Rising with increasing
frequency
Correct the power supply or
replace the PM1.
(Replace the outdoor unit
PCB.)
∗ Inverter checker Part
No.: 1225477
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
∗ Running current as
shown at right with
relay cable 1 or 2?
320 ± 50 VDC?
Voltage within the
allowable range (Supply
voltage ± 15%)?
Compressor running?
Any LED OFF?
To Next Page
Loading...
