Whirlpool 290L Manuale di servizio - Pagina 14
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Board Level Diagnostics for :
*
Thermistor Failure FC/RC
*
Potentiometer Failure
1
First Turn Off the Product & disconnect the Plug.
2
Remove the 3 connectors of Control Board.
3
For Thermistor Failure FC/RC
*
Check resistance on pin no. 4 & 8 of CN2 (8 pin connector) for RC Thermistor.
*
Check resistance on pin no. 2 & 6 of CN2 (8 pin connector) for FC Thermistor.
*
IF thermistor is open then the resistance is infinite.
*
IF thermistor is short then the resistance is zero.
*
IF resistance lie between 0-22 KOhms the themistor is OK.
5
Potentiometer Failure
*
Check resistance on pin no. 1 & 5 of CN2 (8 pin connector) for Potentiometer.
*
It should lie between 0 to 22 K ohms
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