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BFL13's avatar
BFL13
Explorer II
Feb 08, 2020

Fridge Thermistor Replacement Question UPDATE (Fixed)

Updated 10 Feb. and 14 Feb My 641 Norcold cools down too cold and won't shut off. It is not in back up power--the temp light does not flash. I have not yet fiddled with the light/thermistor to ...
wnjj's avatar
wnjj
Explorer II
Feb 13, 2020
BFL13 wrote:
Interesting description on the manual of how the Temp settings work, using the thermistor readings and timing protocols. I see the timing is to have longer time with cooling on and shorter time for cooling off as you go up from 1 to 9. They use "duty cycle" for that in percentage of time on.

I’m not sure if I found the same place but what I saw in the manual discussing timing based cooling was only for Backup Operating System (BOS) mode. That is only in use if the thermistor fails.

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