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Old 07-14-2020, 07:32 PM   #1
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Norcold Fridge problem

Having issues with our Norcold fridge. Sounds like control board is continuously “clicking” even after turning power off to the fridge. Once I turn battery disconnect off, it stops. This is happening on 12v, haven’t had a chance to hook up to shore power. Does that sound like a control board problem? Battery has been checked and it’s good
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Old 07-15-2020, 09:13 AM   #2
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Sounds like it could be but since you can't connect to shore power right now try this - disconnect the ground from your battery and wait a couple of minutes and reconnect. Try fridge again. Sometimes I've found that it will reset.

If you determine the control board is the problem it may be time to upgrade. I recommend checking out JC Refrigeration in Northern IN. They can turn it into a 12v residential fridge for you. Takes them less than 1 day. I checked them out when I had my previous DP but decided to get a larger DP to meet our needs for future plans.

Best of luck in working this out. Richard
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Old 07-16-2020, 06:49 AM   #3
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Bad DC ground can cause erratic behaviors.The ticking noise could be relay chatter or propane igniter.
A multi meter might be useful, check for both DC and AC. Ground the meter at the battery, and check ground and +12 at or near control board.
Check the connectors at the control board. Sometimes they are loose or the crimp is bad. (like on my fan switch)

My problem was fixed two ways.

1st I put a 15 amp audio power line filter in. CAVEAT: It will not survive a 12v DC frig heater. Not for amateurs.

2nd I later rewired the campers grounds. Removed the two large wire nuts and installed a ground buss bar.
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Old 07-16-2020, 08:14 AM   #4
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Quote:
Originally Posted by KHBama View Post
Having issues with our Norcold fridge. Sounds like control board is continuously “clicking” even after turning power off to the fridge. Once I turn battery disconnect off, it stops. This is happening on 12v, haven’t had a chance to hook up to shore power. Does that sound like a control board problem? Battery has been checked and it’s good
Norcold uses the house 12 volt system for the control board. Norcold uses 120 volts for heater sometimes and propane other times. Some will also use the 12 volt system for the heater. Most Norcolds have an igniter to light the propane. It clicks repeatedly until the burner ignites. After three tries it will trigger a fault and stop clicking. If you disconnect the 12 volts it will stop.

The Norcold may be trying to use propane. If the burner does not light, it will click for a while, then stop.

Some Norcolds will automatically switch to propane when the 120 volt supply is lost. If it is trying to use 12 volts for heat, a blown fuse may cause it to try to switch to propane. That would trigger the igniter to start clicking. If the burner does not light, it will click for a while and then stop. Usually there is a fault light or code displayed when the fault occurs.

Of course as posted above, there could be other issues.

I wish you good luck and happy trails ahead.
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