GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
186
(10) Temperature sensor fault
The temperature sensor fails
Is the temperature sensor's
terminal
properly connected to
the main board?
Reconnect it or replace
the terminal.
Unplug the temperature sensor. Is
the
resistance normal when the sensor
is used to test the environmental
temperature?
Replace the
temperature sensor.
Replace the main
board.
Yes
No
No
Yes
(11) Pressure sensor fault
Pressure sensor fails
Is the pressure sensor's
terminal properly connected
to the main board?
Reconnect it or replace
the terminal.
Is the voltage output by
the sensor consistent with the
corresponding pressure?
Replace the pressure
sensor.
Replace the main
board.
Yes
No
No
Yes
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