P1" Outdoor Unit: High Voltage Of Capacitor In Main Inverter Circuit - Daikin VRV III-S RXYMQ6PV4A Service Manual

SiME34-608
3.36 "P1 " Outdoor Unit:
Inverter Circuit
P1
Remote
Controller
Display
Applicable RXYMQ6P
Models
Method of Malfunction is detected according to the voltage waveform of main circuit capacitor built in the
inverter.
Malfunction
Detection
Malfunction When the aforementioned voltage waveform becomes identical with the waveform of the power
supply open phase.
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
High Voltage of Capacitor in Main
Defect of main circuit capacitor
Improper main circuit wiring
Defect of outdoor unit PC board (A1P)
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Check for the connection of
the main circuit capacitor "C4".
Is the "C4"
properly connected?
YES
Troubleshooting by Indication on the Remote Controller
NO
If not connected, connect the "C4".
Replace the outdoor unit PC board
(A1P).
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