Pu Error Code; Capacity Charging Malfunction - Gree Neo GWH09MA-A3DNA3A Installation, Service & Troubleshooting

PU Error Code

Capacity Charging Malfunction

PU
Charging Malfunction of Capacitor
Status:
During cooling mode, compressor will stop,
indoor fan will run. Heating mode all units
stop.
Start Troubleshooting after unit
is powered on for 1 minute
Use a DC voltmeter to
measure the voltage
across the terminals of the
electrolytic capacitor
Voltage higher than 100v
No
Check if the inductor wiring is
loose or induction is cut off
No
Shut down power and wait 20
minutes or connect a DC voltmeter
to the electrolytic capacitor until the
voltage is less than 20 v
No
Replace the outdoor mainboard
End Troubleshooting
160
Error Code Diagnostics
The detection
Yes
d=circuit of the
outdoor mainboard
has malfunctioned
Yes
Replace the inductor
or reconnect wires
1. Improper input voltage
2. Poor connection on reactor
3. Reactor damaged
4. Bad AP1 control board
Replace outdoor main
board
Is the malfunction
corrected?
No
Yes