Issues with Norcold 982IM fridge in 1997 Tiffin Allegro. Won't work on AC or LP. Setting to auto, fridge will start on AC, then after 5-10 seconds switches to LP. LP starts, ignites, flames and then quits. Cycles back to AC, fails, back to LP, fails, etc. When manually setting to AC, fridge will tone, flash and indicate an A4 error.Checked converter and is working. No loose wires, all fuses tested and working. RV plugged into shore power, outlet has 120vAC, power board has 120vAC. Checked DC at board and is receiving 12vDC.

If you google "Norcold 982 IM fridge service manual" you can download the pdf @ rvrefrideratorrepair.com and troubleshoot using it.Did this for a different model and the troubleshoot steps made for an easy repair.

Thanks for the reply; I already downloaded that specific document and tried all their suggestions, without any success.

What happens when it's manually set to LP?

Can't specifically recall; I'll test that after work and let you know.

The circuit board is not recognizing 120V AC so it swaps to LP which doesn't light off so it swaps back to AC...repeat/failUnplug AC leads from circuit board (power cord unplugged from AC Outlet)Unplug DC leads from circuit boardUnplug spark/ignition wire from circuit boardRemove cover on circuit boardUnplug 5A AC fuse from circuit board (glass fuse)Unplug 3A DC fuse from circuit board (auto blade fuse)Check connector pins on leads and contacts on circuit boardWith cover offInstall both fusesPlug AC and DC leads back onto boardPlug AC cord into AC Outlet (verify it has power)Test that there is AC Power on both sides of AC fuse and DC Power on both sides of DC FuseGot power both sides of fuses......try to operate fridge in AUTOIf fridge swaps back/forth then circuit board at fault

Norcold 982IM Fridge Issues | Good Sam Community

Old-Biscuit
Explorer III
Apr 21, 2018
The circuit board is not recognizing 120V AC so it swaps to LP which doesn't light off so it swaps back to AC...repeat/fail

Unplug AC leads from circuit board (power cord unplugged from AC Outlet)
Unplug DC leads from circuit board
Unplug spark/ignition wire from circuit board
Remove cover on circuit board
Unplug 5A AC fuse from circuit board (glass fuse)
Unplug 3A DC fuse from circuit board (auto blade fuse)

Check connector pins on leads and contacts on circuit board
With cover off
Install both fuses
Plug AC and DC leads back onto board
Plug AC cord into AC Outlet (verify it has power)

Test that there is AC Power on both sides of AC fuse and DC Power on both sides of DC Fuse

Got power both sides of fuses......try to operate fridge in AUTO
If fridge swaps back/forth then circuit board at fault
Donebee
Explorer
Apr 21, 2018
Can't specifically recall; I'll test that after work and let you know.
HadEnough
Explorer
Apr 21, 2018
What happens when it's manually set to LP?
Donebee
Explorer
Apr 21, 2018
Thanks for the reply; I already downloaded that specific document and tried all their suggestions, without any success.
Itinerant1
Explorer
Apr 21, 2018
If you google "Norcold 982 IM fridge service manual" you can download the pdf @ rvrefrideratorrepair.com and troubleshoot using it.
Did this for a different model and the troubleshoot steps made for an easy repair.

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