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Old 10-17-2017, 03:21 PM   #1
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Norcold refrig will not turn on.

Just bought a 2018 Georgetown 31L5 can't get the Norcold refrig to work after running 110 directly to it. Then it drained the battery. How I can't get it to turn on using the generator or running 110 directly to it. I get a display showing the temperature setting but nothing else. nothing happens when I press the on/off button or the mode button. Recharged the batteries using the generator and other 12 volt systems seem to work and there is power to the box the refrig is plugger into when the generator is running.
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Old 10-17-2017, 04:46 PM   #2
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Fridge requires good 12V DC to operate in ANY mode/function

Does the interior light in food compartment come on when you open fridge door???



Check backside of fridge and verify you have 12V DC to fridge

Got 12V DC at terminal block (or at control board)...then check if the DC fuses on control board are good (Could be 3A or 5A --- S/B auto blade type fuses. Glass fuses are for AC circuit----check that also)

Good DC Fuses then would need to check for DC at connectors

Post Fridge MODEL---that is very helpful info
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Old 10-17-2017, 06:46 PM   #3
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If it has the recall modification, it is possible the protective box has tripped?
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Old 10-18-2017, 09:08 AM   #4
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Model number is 2118SST.

Where is the protective box that may be tripped?
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Old 10-18-2017, 09:11 AM   #5
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Checked the two 12volt fuses, 3 and 5 amp and both are good and the 12volt 15 amp fuse inside is good.
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Old 10-18-2017, 09:14 AM   #6
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Interior refrig light does not come on,
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Old 10-18-2017, 10:44 AM   #7
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Congrats on the new rig! Old-Biscuit gave you good advice. Keep her between the ditches!

Good luck, happy trails, and God bless!
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Old 10-18-2017, 10:55 AM   #8
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Quote:
Originally Posted by nehog View Post
If it has the recall modification, it is possible the protective box has tripped?
Being a 2018 will it have a recall done?
Also check the voltage while it's hooked up. Digital meters draw so little that if there is a poor connection, they will still show 12+ volts,but as soon as a load is put on the circuit, voltage drops to 0.
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Old 10-18-2017, 03:52 PM   #9
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Quote:
Originally Posted by richolsen1 View Post
Checked the two 12volt fuses, 3 and 5 amp and both are good and the 12volt 15 amp fuse inside is good.
Quote:
Originally Posted by richolsen1 View Post
Interior refrig light does not come on,
The 3A DC fuse is for the 'cooling unit' heater...'low ambient air temp' triggers it

The 5A DC fuse is for the 12V DC POS circuit for fridge controls (light, display, controls etc.)

The 15A ???? (S/B 8A for 120V AC circuit)

You checked the fuses......all good
But how did you check them......????
Did you use a voltmeter and verify 12V DC was on both sides of fuse/fuse holders------do a 'continuity' test across fuse ??

12V DC POS wire connects to circuit board far right side lower corner
12V DC NEG wire connects to circuit board far right side left of 12V DC POS terminal (BOTH marked on board)
DO you have 12V DC there?


In outside compartment LEFT of control module is a small box.
It is a built in OEM HI Temp Sensor control (Recall Box on early Norcold fridges---this is same just built into unit/factory OEM)
12V DC goes IN and IF HI TEMP SENSOR has tripped (installed on burner stack) then NO 12V DC comes OUT going back to circuit board


So IF you have 12V DC at the circuit board (lower left corner) then good chance that the HI TEMP Sensor Control has tripped shutting down ALL DC to fridge.

HI TEMP Sensor triggers at 700*F (+)
That is due to overheating situation from lack of coolant flow (obstruction/blockage or off level operation)

OR Hi Temp Sensor Control got WET and tripped
(Strong Magnet can reset that reed switch---placing on control box and running it back/forth)


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Old 10-21-2017, 03:50 PM   #10
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Quote:
Originally Posted by richolsen1 View Post
Just bought a 2018 Georgetown 31L5 can't get the Norcold refrig to work after running 110 directly to it. Then it drained the battery. How I can't get it to turn on using the generator or running 110 directly to it. I get a display showing the temperature setting but nothing else. nothing happens when I press the on/off button or the mode button. Recharged the batteries using the generator and other 12 volt systems seem to work and there is power to the box the refrig is plugger into when the generator is running.
'
Well?
Did you get it working
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Old 10-22-2017, 10:10 PM   #11
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I want to thank everyone for suggestions or advice but I have screwed the shore power up by plugging it into a bad out let that fried the electrical system so it is all going back to the dealer to be repaired. Again thanks for the help.
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Old 10-23-2017, 12:07 AM   #12
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Dang those 240V outlets...they'll let the smoke out every time

Hope it isn't too damaged.
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Old 10-23-2017, 12:15 AM   #13
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OP didn't say if he tried to use a 30 amp 240 volt plug. Just that it was a bad outlet.
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Old 10-23-2017, 12:40 AM   #14
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OP didn't say if he tried to use a 30 amp 240 volt plug. Just that it was a bad outlet.
That FRIED the electrical system.........hence 240V be it outlet wired for 240V
OR 240V due to LOSS of Neutral
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