Thermistor Check; High/Low Pressure Sensor Check - LG multi V PLUS Service Manual

Self-diagnosis function
Thermistor.
Start of check
Is temperature on the LGMV
before operation normal?
Yes
No failure of thermometer thermistor.
High/Low Pressure Sensor.
Start of check
Is pressure on the LGMV before
operation normal?
Yes
No failure of pressure sensor.
294 Trouble Shooting Guide
• Check connector position and
No
connection direction.
• Check any poor contact.
Is voltage output of 5V normal?
Yes
Replace the
thermistor.
Are connector
No
position on the main/Sub PCB
and connection
normal?
Yes
Is voltage output of 5V normal?
Yes
Replace the pressure sensor.
No
Check and
replace the PCB.
No
Reconnect.
No
Check and
replace the PCB.