Gree GMV-Pdm280W/NaB-M User Manual

DC Inverter Multi
VRF Service Manual
163
S/N Class Trouble
Possible Cause
Troubleshooting
First-level reason Second-level reason Third-level reason
Description
of Cause
Method of
Conrmation
Description of Cause Method of Conrmation
Description
of Cause
Method of
Conrmation
14
Abnormal
system
pressure
Discharge
pressure
abnormally
increases.
6. Fan abnormally
operates.
A. In cooling
operation,
outdoor fan is
not running.
B. In heating
operation, the
motor of the
indoor unit
which is heating
is not running.
6.1 Indoor fan
abnormally operates.
Manually check
6.1.1 The power
cord between motor
and mainboard is
loose or broken.
Manually check
Reconnect the power
cord of motor.
15
6.1.2 Capacitance
of motor is not
connected or
damaged.
Manually check
Connect capacitance
or replace it.
16
6.1.3 The motor
is damaged.
Not the reason
mentioned
above
Replace motor.
17
6.2 Outdoor fan
abnormally operates.
Manually check
6.2.1 Power cord
of fan motor is
not effectively
connected with
mainboard of motor.
Manually check
Effectively
connect it again
18
6.2.2 Signal
feedback line
of fan motor is
not effectively
connected with
mainboard of motor.
Manually check
Effectively
connect it again
19
6.2.3 The
mainboard of fan
motor is damaged.
Manually check
Replace mainboard
of motor.
20
6.2.4 The
mainboard of fan
motor is damaged.
Not the reason
mentioned
above
Replace motor.
21
7. Volume of
refrigerants is
too much.
Not the reason
mentioned above
The added volume of
refrigerants is wrong.
—— —— ——
Check the volume of
refrigerants which
needs to be added
and then release the
surplus refrigerants
from cut-off valve.

Gree GMV-Pdm280W/NaB-M Specifications

General

Brand	Gree
Model	GMV-Pdm280W/NaB-M
Category	Inverter
Language	English