rv fridge not working on ac power
There could be a circuit breaker flipped or a fuse blown. Originally Posted by AJB.
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With the refrigerator set to AC check the circuit board itself by using a multimeter to see if you are getting proper voltage to the two terminals where the AC element plugs in.
. If you have no tripped circuit breakers it could also be that you have a shorted electrical refrigerator heating element. My kids have a 2011 Puma travel trailer with a dometic RV fridge model DM2652RBX. Had 120 volts at the receptacle but it wouldnt work.
The circuit control board has power going in but the connections on the board where the heater element plugs in to has no power. Sometimes they get rusted in place but some penetrating oil and wiggling should get it out wipe excess oil off before heating again. Your RV fridge will stop working on electricity because of a bad control board.
The two-way fridge will switch between LP gas and AC power depending on which of the two is available. The RV fridge is not working on gas or electricity. Plugged in to shore power my RV refrigerator would not switch to AC power.
Make sure to verify that 120 V AC is available at the back of the refrigerator. Make sure you unplug the refrigerator before checking it. Use the multimeter to test the refrigerators power outlet.
Plug the fridge into another power source like an extension cord thats connected to shore power. In other words to get AC power to the RV you must plug the shoreline cord somewhere either into an electrical source such as a campground pedestal or into the generator receptacle. The 2652 circuit board is on the lower left when looking at the back.
RV Refrigerators will not work without a battery because batteries power the control board and facilitate ignition. Avoid touching naked wires and ensure all switches are turned on. Unplug the cord from the outlet to avoid electrocution.
Visually look for damaged wiring from corrosion or small animal chewing. Check the fuse box Disconnect the RV fridge from the AC unit Remove the cover plate Unscrew the screws holding the control panel assembly together Pull the entire control panel assembly away from the cabinet. Using the multimeter check that the meter is set to measure AC and connect the black connector of the multimeter to the ground and the red positive connector.
If this is correct you have lines full or air instead of gas and itll take a few trys before the fridge will light. The control board needs a 12 volt DC battery to control the gas valve. Test with an ohmmeter - should be in the 50.
It turned out to be the barrel fuse 5 amp I believe on the circuit board. To remove the RV fridge access door all you have to do is use a flathead screwdriver pliers or even your fingers to turn the little black knobs on the top. Each attempt to light will ultimately result in a check light until the air is all gone.
Remove the access panel cover on the outside of your RV to easily access the back of the refrigerator. The three-way fridge uses AC power DC power and LP gas. Two-way and three-way fridges.
If the fridge is running on 12-volt DC power check the battery to make sure it is charged and that all connections are secure. Ammonia leaks and sediment If at some point you start smelling the ammonia and the refrigerator is not cooling any longer turn it OFF. Follow the steps below to locate the fuse to the Norcold RV fridge.
Then follow steps 1-5 below to troubleshoot the issue. If a probe is on one end and the other probe is on the other side of the fuse and you read 110 volts AC then the fuse is bad. Troubleshooting and Fixing your RV Fridge that isnt Working Unplug the fridge from the outlet and test whether the outlet has 120V AC.
The first thing to look into is the 12V panel if the fuse is blown or the breaker is tripped. Examine the ACs Power System. Worked on propane but not on shore power.
What should you do when the RV AC not working. A fuse is a dead short and no voltage can be read across it. Had a problem with my Dometic a couple of years ago.
This means it either works off of propane or off of 120-volt electricity. Also carry a multimeter for checking the voltage current and resistance. To fix this problem first make sure that the RV fridge is powered on.
First check circuit breakers and fuses at the panel then check the outlet at the back of the refrigerator for voltage. Its usually located inside the same compartment as the shoreline cord. Burning a burner on the range or lighting the water heater can help clean the lines of air and make the fridge light sooner.
If your RV fridge isnt working on electric a visual inspection of the wiring and a multimeter are your best tools. These common power sources for refrigerators on RVs include electricity via generator on-board battery and LP gas. A multimeter is recommended but plugging a blow dryer or other device into the outlet can tell you if the voltage is present.
If your refrigerator works on a 12-volt power supply check its corresponding panel. After checking the power to the RV all the breakers and fuses and the AC connection in the rear of the fridge I realized. Locate the black box on the lower left with wires going to it.
Remove the black box cover and check for the two fuses. When the RV AC not turning on at all you will need to find out if it gets the power supply. Jun 20 2020 4 A akerrairstreamer New member Joined.
It just slips into a holster on the side of the cooling unit boiler. Most RV fridges run on either 120-volt AC or 12-volt DC power. Check these following components to find out the possible cause.
If your RV refrigerator is running on gas but not on the 110V AC there could be an issue with the electric circuit. If you have a newer RV you likely have a two-way fridge. RV fridges fall into two categories.
You should get a 120V reading at the outlet. There are 3 fuses That I know of which I tested and are all good. While following the user manual check the 120-volt AC and monitor the circuit breakers and fuses at the back of the fridge.
If not you have a bad circuit board which will require replacement. It stopped working on AC but works fine on propane. If the fridge is plugged into a 120-volt outlet make sure that the power cord is firmly plugged in and that the circuit breaker is not tripped.
If there is no power the gas valve will close and no LP will power the burner required to heat the refrigerant or provide cooling to the system. Pull the shoreline cord all the way out and look inside that compartment with a flashlight.
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