High Voltage Of Capacitor In Main Inverter Circuit - Daikin RMXS-L Series Service Manual

Troubleshooting for Outdoor Unit

7.22 High Voltage of Capacitor in Main Inverter Circuit

P1
Error Code
Method of Error
The error is detected according to the voltage waveform of main circuit capacitor built in the
Detection inverter.
Error Decision
When the voltage waveform becomes identical with the waveform of the power supply open phase
Conditions
 Defective main circuit capacitor
Supposed
 Improper main circuit wiring
Causes
 Defective main PCB (A1P)
Troubleshooting
Check for the connection of
the main circuit capacitor
C4
207
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
.
C4
Is the
NO
properly connected?
YES
SiUS181305E
C4
Connect the .
Replace the main PCB
(A1P).
(R15619)
Troubleshooting