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Robert
Robert, RV Mechanic
Category: RV
Satisfied Customers: 12656
Experience:  18 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
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I have a d dometic penguin 620315.421. The compressor does

Customer Question

I have a d dometic penguin 620315.421. The compressor does not start. The relay on the electronic board does not energize. How do I test the board?
Submitted: 1 year ago.
Category: RV
Expert:  Robert replied 1 year ago.
Hi my name is Robert....
Sounds like the board is bad on this. Below is a service manual that will cover all models and give you some troubleshooting on this. Copy and paste that link into your browser. IF you have DC and AC present at the board I would say it has failed... Robert.
Link below, copy and paste in browser....
http://www.dometic.com/QBank/EPiServer/Dometic/US/Manuals/Marine-manuals/Refrigeration/roof-top-ac-hp-diagnostic-service-manual_17589.pdf