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Old 10-23-2014, 08:43 AM   #1
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Dometic NDR1062 Frig Tech Input Please

Problem: Insufficient cooling on 110V and no LP cooling (check light on) in LP mode. In LP mode gas ignition lights - system starts cooling then goes out w/ no restart. I have:

New Dometic cooling unit
LP tank full
gas orafice #58 removed and cleaned
burner tube removed and cleaned
gas solenoid tested ohms w/in factory specs
Heater leads disconnected at circuit board and connect direct to 110V
Thermister disconnected from power board and tip in ice water

Results: w/ heater on direct connect freezer at -5F and frig at 25F in less then 24 hours. Thermistor at 7600 Ohms after 3 minutes in ice water. Cooling unit and thermister good.

I have not checked voltage at gas Thermocouple in LP mode to see if meets test voltages.

So - what is next? New power board? Thanks. Ed
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Old 10-24-2014, 03:45 AM   #2
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Verify that you do have good dc and ac voltage feeding the control board. Check for ac voltage out to the heating element in the AC mode (Auto with power to coach). If you have power coming in but none going out then you have a bad control board it all connections are clean and tight.
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