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What does it mean when my cf 50, stops and shows; err 2?

Recently purchased a second hand Waeco chest fridge/freezer CF50 as a second/backup fridge on the boat. All was working fine until the fridge refused to start and showed "Err2". According to the user manual (page 23) "Err2" (or any other error message e.g.: "Err1" means that "The device has switched off due to an internal fault." Suggested remedy "This can only be repaired by an authorised repair centre." To be honest that's about as useful as a bicycle to a fish, in the middle of nowhere. So, with the beer getting warmer, the circumstances required a set of screwdrivers, a multimeter and band-aids. I have heard that the thermistor on older units can often be the point of failure. In this case, it also turns out to be the situation. The Thermistor is connected to the upper circuit board located under the buttons to operate the fridge. Not hard to access, 2 Philips heads under the fridge lid, either side of the internal light, then 3 Phillips heads to remove the circuit board from the buttons. The thermistor (only 2 wires) is connected to the circuit board by a small white connected (in my case) to the right of the multi-wire connector. I disconnect the thermistor from the board, hoping an open circuit would at least get the fridge to start without the thermistor (ie 100% resistance), but no. What it did was change the error code from "Err2" to "Err1" (might be useful for anyone tracking down an Err1 problem). So, take the reverse, I shorted the 2 thermistor wires at the circuit board (i.e. no resistance) to see if that would get the fridge to start, but also no, just "Err2" message. Finally, I connected a 10k ohm carbon resistor (cost about $0.85 for a pack of 10) to the thermistor wires and the error code was removed and the fridge started working. The display read 22c, being the perceived temperature at that resistance. Turns out the lower the resistance the higher the perceived temperature. This was not a final solution, because the fridge would run all the time freezing everything. But, by turning the fridge on manually, a couple of hours at a time got us out of a warm beer situation. Hope this helps someone else.
1/15/2022 11:48:23 AM • Dometic CF-050DC... • Answered on Jan 15, 2022
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I have a Dometic RM2962 RV Freezer. The freezer door gets stuck only when the unit is turned on and cold. Ever hear of this problem?

Question edited 'Domestic' to 'Dometic'. Question moved from Cars and Trucks to dometic. It could be a few things. Freezers have a heated door frame to stop condensation forming into ice and freezing the door shut. Yours may have failed. The circulation fan inside does create suction. Try spraying the gasket and frame with Jigaloo dry silicone spray.
11/2/2021 10:59:39 PM • Dometic... • Answered on Nov 02, 2021
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I have a Domestic Americana the refrigerator was working for a couple months then one day I found everything thawed. I look at everything. It can switch from gas to auto. It will stay cool for a while

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11/2/2021 8:56:39 AM • Dometic RM2652... • Answered on Nov 02, 2021
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Open & Close Lever is very stiff to open & close

FabFitFun Coupon CodeFabFitFun Coupon Code is the best way to avail discounts on FabFitFun store shopping, there are lots of items on which you can avail the discount, amazing offers so visit the store by clicking the button and Save your Pocket now! https://couponsagent.com/front/store-profile/fabfitfun-coupon-code
10/17/2021 3:32:58 AM • Dometic... • Answered on Oct 17, 2021
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Awning retracts at random

some awnings have a sensor that retracts the awning if wind elevates to certain level. i wish mine did. i have seen them ripped off rv's.
9/29/2021 7:16:14 AM • Dometic Heating... • Answered on Sep 29, 2021
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Does not cool or freeze. Main coolant line is hot from top of burn chamber to almost the fins on top outside of cooling unit and then coolant line is room temperature.

My rv repairman says my cooling unit is blocked. Is there a replacement fridge recommended for my NDM1062 ?
9/19/2021 9:41:07 PM • Dometic NDR1062... • Answered on Sep 19, 2021
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Can my dometic RM 2400 fridge be repaired?

Yes it can be repaired. A refrigeration engineer will find the leak, repair it and re-gas. If it is very old, you might like to consider a new one, because they are more efficient.
9/19/2021 5:28:08 PM • Dometic... • Answered on Sep 19, 2021
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My dometic air conditioner on my Jayco Silverline 2018 caravan won't turn on unless it is in ventilation mode

no info -look in your paperwork for your trailer unit and the mystery a/c unit and look up the trouble code in owners manual --notify jayco of problem --do online search of a/c using make and model for trouble shooting guide - rv shop
9/2/2021 12:41:20 AM • Dometic Heating... • Answered on Sep 02, 2021
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Replacing a duotherm 3105058 thermostat

I was replacing a DUO-Therm 3105058 Rev A. very old Thermostat in a Coachman RV with 3106995.032 from Amazon. After looking all the information on the directions it was clear I would have to play a hit or miss on some of the wiring. Instead of using the same coding, such as RC, RH, G, Yellow and such. they used the function and I had to guess at some.Here is the wiring I found worked:There are 6 wires. One set of two wires (white On the W & red on the RH) and the set of 4 (yellow On the Y, green on the G, red on the RC and blue on the H). So to keep it simple the red on the RH went to the +7.5. The White on the W went to the FUR. HS/HP not used. the Yellow from the Y went on the cool. The green on the G went to the fan. The red on RC went to GND. and the Blue on H went to Hi fan.So red (RH) of the 2 wire goes to +7.5White (W) of the 2 wire goes to FUR.Yellow (Y) to coolGreen (G) to fanOrange or red from the RC lug goes to GNDBlue (H) goes to Hi Fan
8/12/2021 9:34:36 PM • Dometic Heating... • Answered on Aug 12, 2021
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I need an electrical wiring diagram for an rv air conditioner. Dometic model QC135-A.

So original was ecm and you’re installing psc?? All low voltage speeds will go away and you just need to break the new, high voltage speeds, with a relay. Hope that helpsI can’t find info on the 135a. Does it have a control board to land wired to?? What model motor???Can’t make out the original wiring diagram. The white is your common or neutral. The different speeds are for constant fan speed, cooling speed, and heating speed, this is your hot. Not sure if you have a control board in your unit but if you do it will say “common/ fan/ cool/ heat/ park for places to land your wires. The browns go to capacitor and the orange and purples would get swapped if it were running backwards. ( meaning blowing air out of filter rather than pulling air through filter. Zip tie loose wires to prevent getting caught by wheel.
7/15/2021 10:51:15 AM • Dometic Heating... • Answered on Jul 15, 2021
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Need advice wiring new motor into old Dometic a/c unit.

On a single phase universal motor with a start and a run capacitor, that is handy. The start capacitor is fully automatic as there is an internal centrifugal contact that breaks the contact when the motor reaches near running speed. The run capacitor puts one of the motor windings out of phase with the other and determines the direction. Placing the run capacitor on the neutral will make the motor go the other way than on the live.
7/14/2021 7:03:43 PM • Dometic Heating... • Answered on Jul 14, 2021
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My rv air wont work on high?

could be the selector switch turn off power switch low and high wire if it blows high replace selector switch if it does not work replace motor. Tom
7/11/2021 6:17:05 AM • Dometic Rooftop... • Answered on Jul 11, 2021
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On my Dometic RV refrigerator. The freezer works but the main fridge does not?

So if the freezer is working fine but the refrigerator isn't, you probably have airflow problems. In many cases, the freezer moves cool air into the fridge using a diffuser. Sometimes, the diffuser duct gets clogged up with ice, and you can verify this by listening to the evaporator fan.Jun. 13, 2019

RV Refrigerator Not Cooling, but Freezer Is? Here's ... - VEHQ

https://vehq.com > rv-refrigerator-not-cooling-freezer-is
7/7/2021 6:19:45 PM • Dometic... • Answered on Jul 07, 2021
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457915.711co need manual

A/C condenser comes on but fan doesn't.Have changed compasitor but still no fan.Fan turns freely.
6/26/2021 12:29:42 AM • Dometic Rooftop... • Answered on Jun 26, 2021
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I just bought an RV

None of these manual links are good. The only documentation I can find online for the RM2400 is the installation manual. Mine doesn't work. I checked AC power and even ran outside power direct to fridge plug. There is no sound and no cooling. Unlike the other fridges I see online, this one doesn't have a black box or obvious fuses accessible from the bay outside the rv. I'd love to find an actual manual. Nothing works on this fridge and there is nothing online about it. Not even on YouTube. How is that possible?
6/22/2021 6:56:45 AM • Dometic... • Answered on Jun 22, 2021
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