Gree /E-X, Руководство по обслуживанию

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GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
140
Fault
code
Fault
Possible reasons
Solution
Primary reason Secondary reason Tertiary reason
Description
Confirmation
method
Description
Confirmation
method
Description
Confirmation
method
board of the
motor with
the power
cable.
6.2.2 The
fan motor is
not properly
connected
with the
control
board of the
motor with
the signal
feedback
cable.
Manual
check Reconnect it
properly.
6.2.3 The
control
board of the
fan's motor
is damaged.
Manual
check Replace the control
board of the motor.
6.2.4 The
main board
of the fan's
motor is
damaged.
Other
reasons
Replace the motor.
7. Too much
refrigerant Other
reasons
Incorrect
quantity of
refrigerant is
injected.
—— —— ——
Check the necessary
amount of refrigerant
and discharge
unneeded refrigerant
slowly via the stop
valve of the fluid
pipe.
JL
Low high
pressure
protection
1. The
ambient
temperature
exceeds the
range.
——
1.1 The
outdoor
ambient
temperature
in the
cooling
mode is
lower than
-10°C.
Measure the
outdoor ambient
temperature.
—— ——
It is a normal
phenomenon caused
by the protection
function.
1.2 The
indoor
ambient
temperature
in the
heating
mode is
lower than
5°C.
Measure the
temperature of
the unit's return
air.
—— ——
It is a normal
phenomenon caused
by the protection
function.
2. Not
enough
refrigerant
——
Locate the leak and
inject refrigerant.