Gree GRS-CQ16Pd/NhG3-M

Air-to-water Heat Pump
65
MONOBLOC
TYPE
(3) Trip
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Trip
Is the leak switch
tripped off?
Does the switch
capacity meet
the requirement?
Does it trip off
upon energization?
Is PFC module on
the mainboard
short-circuited?
The system is abnormal.
Check the compressor
wiring and winding and
see if there is short circuit.
Install a electric
switch according to
the capacity
requirements.
The leakage current
is large. Chck the
leakage spot and
treat it.
The relay is incorrect
and replace the
mainboard.
Are relays K8 on
the mainboard
connected?
Is PFC module
on the mainboard
short-circuited?
It is recorded and
reflected.
Replace the mainboard.
Check if the AC
contactors are
connected. Be sure
it is not short-circuited
between P-N.
Replace the
mainboard.
Check the wiring
diagram.