Mafunction Of Temperature Sensor; Malfunction Of Sensor; Unit And Main Board Can’t Be Energized - Gree GMV-24WL/C-T Service Manual

GREE

(5) Mafunction of temperature sensor

(6) Malfunction of sensor

(7) Unit and main board can't be energized
Malfunction of
temperature
sensor
Whether the plug of temperature is
connected with the plug of main board
correctly
YES
Measure whether resistance value of
temperature sensor is in the normal range
YES
Replace main
board
Malfunction of
sensor
Check whether plug of sensor is
connected with socket correctly
YES
Measure whether the output value (DC
voltage) for socket of main board of outdoor
unit is normal
NO
Replace main board
of outdoor unit
Unit and main board can't
be energized
Measure whether voltage between pole L
and pole N of wiring board is 220V
YES
Check whether there's power
supply for filter board
YES
Replace main board
of outdoor unit
DC Inverter Side Discharge VRF Ⅱ for North America
NO
Conform whether the
plug is connected
correctly
NO
Replace temperature
sensor
NO
Confirm whether the
plug is connected
correctly
YES
Replace
pressure
sensor
NO Check whether it's
the malfunction of
power supply for
wiring board
NO
Replace filter
board
104