Gree GMV-Pdm450W/NaB-M

DC Inverter Multi
VRF Service Manual
181
2�8 The AC contactor does not pull in
Replace the mainboard
The AC contactor of
compressor does not pull in
If the units in normal start-up
state(no trouble display)
Check if the contactor coil is
supplied with power.
Check corresponding content
according to the indicating error
code on hand controller.
NO
YES
NO
Check if the mainboard
corresponding compressor relay is
output.
NO
Replace AC contactor.
YES
Check the circuit.
YES