Question about Thetford Norcold DE0051 Refrigerator

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Our 2+ year old Norcold DE0051 would not turn on. The LED would not light up and the unit did not function on AC or DC. The 10A fuse in the DC power supply box was blown and testing indicated some sort of short. There was power entering the box, but the fuses kept blowing when replaced in the DC box. Also the AC power supply unit did get pretty warm when trying different combinations of voltage.

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Posted on Jan 02, 2017

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SOURCE: My Norcold DE0051 I have to keep defrosting every 2 weeks

Occasional defrosting is needed on these units. 2 weeks isn't that bad considering the environment that it is in (your boat). Every time that you open the door, moist air enters the fridge, and the moisture eventually collects on the freezer plate, and freezes. Putting foods into the freezer that are uncovered also contribute to this a great deal, as do putting in warm / hot foods before giving chance to cool down.

These freezers do not have automatic defrosters. The target environment typically has limited power available. Automatic defrosters would easily double the power requirements.

You can also check the door seals on your fridge as well. If they are not sealing properly, they can also let in humid air which then causes moisture to collect on freezer plate.

Posted on Aug 29, 2009

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1 Answer

I shut down the fridge. Not getting any power to it now. I have checked breakers and fuses. There is power to 110 outlet where it plugs in. No power to gas valve. What do you think the problem is?


Your Norcold refrigerator is powered by 12V DC, not 110V AC. You need to check input power at the power board. If the fuses are good and you have good 12V to the refrigerator, check to see if you are getting 12V past the 5amp fuse on the board. If not, you may have a bad board. Norcold Power Circuit Boards for Sale The Norcold Guy

Jul 12, 2015 | Norcold Inc Norcold 1210IM Refrigerator

2 Answers

Norcold fridge in my motorhome


Norcold fridges are now part ofThetford one of the largest suppliers of mobile and marine products. You do not quote the model so not sure if a 3 way (gas/mains/12v) or AC/DC. The most common problem with all mobile fridges is the heater unit is faulty. Thetford have discontinued spares for a large range of norcold models. Information can be obtained on the Thetfold.com website.
Good Luck

Jul 09, 2014 | Refrigerators

1 Answer

Norcold 3163 Fridge


There is a 3 amp.fuse in the wiring behind the control panel or somewhere between the control panel and the terminal block. If the fuse is blown do not replace with any higher amperage rating more than 3 amps. Here is a Norcold 3163 Service Manual On page 10 of the service manual shows all of the components that the ac power goes through. Let me know what you find and I will be here to answer any questions you may have, Thanks Sea Breeze

May 08, 2013 | Refrigerators

1 Answer

I have a herritage t101, it displays the Ls error and has no drive whatsoever but was working a few month back


The SCR lower board is designed with diagnostic LED lights. The LED's are color coded according to
their specific function. Green indicates a properly operating treadmill; the green lights should always
be ON when power is supplied to the treadmill. Yellow indicates a treadmill function. Red indicates a
treadmill malfunction. Here is a list of each LED and what it signifies:
MOTOR (yellow) - The MOTOR LED illuminates when dc (direct current) voltage is sent to the drive
motor. The LED gets brighter when the dc output is increased.
RLC (yellow) - The RLC (R = Reactance / L = Inductance / C = Capacitance) LED illuminates when
the filtering system is properly working. The filtering system includes the capacitor and filter choke. If
there is a short in either component then the RLC light will not come on.
DN & UP (yellow) - The DN and UP LED lights tell us if the elevation DN and UP relays are
functioning properly. When the LED lights, it tells us that the relay has energized and is sending high
voltage (110vac or 220vac) to the elevation motor.
AC PWR (green) - The AC PWR (Alternating Current Power) illuminates when AC line voltage is
delivered to the treadmill. It then passes through the in-line fuse (110)/s(220) and lights the AC PWR
LED.
+12V (green) - When the proper AC voltage is delivered to the treadmill, passes through the in-line
fuse/s, through the full wave bridge rectifier (changes AC to DC), through the transformer (steps down
DC to +12vdc) then the +12V LED lights.
This the board LED, who control the signal for Main Motor+Elevation Motor. You must see, the LED DN+ UP( both will be Lit) in any position down or Up.
2) The RELAY board is designed with diagnostic LED lights. The LED's are color coded according to
their specific function. Green indicates a properly operating treadmill; the green lights should always
be ON when power is supplied to the treadmill. Yellow indicates a treadmill function. Red indicates a
treadmill malfunction. Here is a list of each LED and what it signifies:
AC PWR (green) - The AC PWR (Alternating Current Power) illuminates when AC line voltage is
delivered to the treadmill. It then passes through the in-line fuse (110)/s(220) and lights the AC PWR
LED.
VDC (green) - The VDC LED will light when it receives DC voltage from the DC power supply.
DN & UP (yellow) - The DN and UP LED lights tell us if the elevation DN and UP relays are
functioning properly. When the LED lights, it tells us that the relay has energized and is sending high
voltage (110vac or 220vac) to the elevation motor.
UPSW (green) - This LED will illuminate when the low voltage dc is delivered from the upper display
board to the elevation UP relay. This low voltage dc is what energizes the coil of the relay.
DNSW (green) - This LED will illuminate when the low voltage dc is delivered from the upper display
board to the elevation DOWN relay. This low voltage dc is what energizes the coil of the relay.
BELTSW (green) - This LED will illuminate when the low voltage dc is delivered from the upper
display board to the belt (motor start) relay. This low voltage dc is what energizes the coil of the relay.
SPD (yellow) - The SPD LED flashes on and off (relative to speed) when the speed sensor is
operating properly.
PWM (yellow) - This LED will light when the upper board is sending a speed signal to the PWM.
Both the PWM LED and BELTSW LED must be lit for belt movement.
Finally this this Relay Board, the Each Led will be Lit, for any Relai control for DN down, or UP elevation motor. Use the contact cleaner, you can find it in R .Shack.
see the diagram attached.
God bless you1_14_2013_9_25_21_pm.png

Jan 14, 2013 | Exercise & Fitness

1 Answer

I have a reebok crosswalk rt 5.0 treadmill. I can calibrate the incline and it goes up and down. however when you press the button to raise the incline the incline number will change but the machine does...


Step 1:

see this details and proceed according. God bless you

The SCR lower board is designed with diagnostic LED lights. The LED's are color coded according to

their specific function. Green indicates a properly operating treadmill; the green lights should always

be ON when power is supplied to the treadmill. Yellow indicates a treadmill function. Red indicates a

treadmill malfunction. Here is a list of each LED and what it signifies:

MOTOR (yellow) - The MOTOR LED illuminates when dc (direct current) voltage is sent to the drive

motor. The LED gets brighter when the dc output is increased.

RLC (yellow) - The RLC (R = Reactance / L = Inductance / C = Capacitance) LED illuminates when

the filtering system is properly working. The filtering system includes the capacitor and filter choke. If

there is a short in either component then the RLC light will not come on.

DN & UP (yellow) - The DN and UP LED lights tell us if the elevation DN and UP relays are

functioning properly. When the LED lights, it tells us that the relay has energized and is sending high

voltage (110vac or 220vac) to the elevation motor.

AC PWR (green) - The AC PWR (Alternating Current Power) illuminates when AC line voltage is

delivered to the treadmill. It then passes through the in-line fuse (110)/s(220) and lights the AC PWR

LED.

+12V (green) - When the proper AC voltage is delivered to the treadmill, passes through the in-line

fuse/s, through the full wave bridge rectifier (changes AC to DC), through the transformer (steps down

Step 2:

This the board LED, who control the DC to +12vdc) then the +12V LED lights.
signal for Main Motor+Elevation Motor. You must see, the LED DN+ UP( both will be Lit) in any position down or Up.

2) The RELAY board is designed with diagnostic LED lights. The LED's are color coded according to

their specific function. Green indicates a properly operating treadmill; the green lights should always

be ON when power is supplied to the treadmill. Yellow indicates a treadmill function. Red indicates a

treadmill malfunction. Here is a list of each LED and what it signifies:

AC PWR (green) - The AC PWR (Alternating Current Power) illuminates when AC line voltage is

delivered to the treadmill. It then passes through the in-line fuse (110)/s(220) and lights the AC PWR

LED.

VDC (green) - The VDC LED will light when it receives DC voltage from the DC power supply.

DN & UP (yellow) - The DN and UP LED lights tell us if the elevation DN and UP relays are

functioning properly. When the LED lights, it tells us that the relay has energized and is sending high

voltage (110vac or 220vac) to the elevation motor.

UPSW (green) - This LED will illuminate when the low voltage dc is delivered from the upper display

board to the elevation UP relay. This low voltage dc is what energizes the coil of the relay.

DNSW (green) - This LED will illuminate when the low voltage dc is delivered from the upper display

board to the elevation DOWN relay. This low voltage dc is what energizes the coil of the relay.

BELTSW (green) - This LED will illuminate when the low voltage dc is delivered from the upper

display board to the belt (motor start) relay. This low voltage dc is what energizes the coil of the relay.

SPD (yellow) - The SPD LED flashes on and off (relative to speed) when the speed sensor is

operating properly.

PWM (yellow) - This LED will light when the upper board is sending a speed signal to the PWM.

Both the PWM LED and BELTSW LED must be lit for belt movement.
Finally this this Relay Board, the Each Led will be Lit, for any Relai control for DN down, or UP for elevation Motor. You must clean contact of the Relay with Special Spray(Radio Schack).

With this you must fix it.

Jan 07, 2013 | Reebok Exercise & Fitness

1 Answer

I have a Norcold 323 Refrigerator in a camper that will not cool when operating on AC but does work on gas, ( I cant test the DC as I dont have a 12 volt power sorce). After running in on gas for a while...


the unit runs on gas(LPG) so the unit is operational
by ac I take it you mean mains power and by dc you mean 12 volts it being a 3 way cooler
you cannot "jump start" a gas system so I am a bit lost with that statement
check the heating element in the unit for continuity as both the mains and 12 volt power only heat and element that boils of the coolant liquid in the system the same as the lpg flame does
it could be a relay problem for the electrical part

May 26, 2017 | Thetford Norcold N323 1.7-cu ft 3-way...

1 Answer

Will work on ac but not dc. I checked that it has 12 vdc on the wire leaving the boat fuse panel.


Wiggle element out of sleeve and lift up while wiggling. Once element is out, attach to 12vdc from battery or other source and see if it heats up to touch, if not, replace it. Careful, may get real hot to touch.

May 19, 2010 | Thetford Norcold DE0051 Refrigerator

1 Answer

My Norcold DE0051 I have to keep defrosting every 2 weeks


Occasional defrosting is needed on these units. 2 weeks isn't that bad considering the environment that it is in (your boat). Every time that you open the door, moist air enters the fridge, and the moisture eventually collects on the freezer plate, and freezes. Putting foods into the freezer that are uncovered also contribute to this a great deal, as do putting in warm / hot foods before giving chance to cool down.

These freezers do not have automatic defrosters. The target environment typically has limited power available. Automatic defrosters would easily double the power requirements.

You can also check the door seals on your fridge as well. If they are not sealing properly, they can also let in humid air which then causes moisture to collect on freezer plate.

Aug 10, 2009 | Thetford Norcold DE0051 Refrigerator

1 Answer

Digital readout pad keeps cycleing


I still think it is searching for a power source. I have a parts breakdown and a troubleshooting guide I can copy and e-mail to you.
Send me an e-mail and I will e-mail the info back to you.
Jerry
rvtech@myway.com

Jan 15, 2009 | Thetford Norcold DE0051 Refrigerator

1 Answer

DE0061 draws power when not cooling


Hi captstu,

I'm Harvey th Master Plumber.

Your question is: Can you install an auxiliary thermostat on the DC power feed to stop the power draw when cooling is not required?

I understand your frustration. I live on a boat. Since the fridge thermostat is reducing the amp draw when the compressor is off, just remember to turn off the curcuit when you leave the boat and emptying the fridge. You are probly doing this already. Since any modification to a new unit voids the warranty I wouldn't go down that path. The unit should have been tested before installation. Water under the bridge. I agree with the manufacturer. I would tear it out and get a warranty replacement. Sorry, Norcold is right, this is the least painfull way out. It is beter than the cost of repair.

Feel free contact me again!
Please give me a rating here at fixya.com before you sign off
Thank you,
Harvey your Master Plumber

Sep 10, 2008 | Thetford Norcold DE0051 Refrigerator

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