56
Installation and Maintenance
Service Manual
9.2 Troubleshooting for Main Malfunction
(1) Troubleshooting for malfunction of temperature sensor
main check point:
●Whether the temperature sensor is broken or damaged;
●Whether the temperature sensor terminal is loosened or not connected;
●Whether the mainboard is damged;
Check ow chart:
Start the troubleshooting for
temperature sensor
Check whether the
temperature sensor and wiring terminal
is loosened or poorly connected?
Insert the temperature
sensor well
Is mafunction
eliminated?
Is mafunction eliminated?
Replace temperature with
the same mode
Check whether the
temperature sensor is normal by
refering the resistance value of
temperature sensor
Replace the controlle with
the same model
End
No
No
No
No
Yes
Yes
Yes
Yes
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