brokenarrow1244 Posted June 24, 2022 Share Posted June 24, 2022 I have something unusual happening, but have an unusual situation as well. My 50 amp Smart EMS had a display showing I had a 30 amp service. I am connected to a 50 amp service. However, my front A/C /Heat pump penguin unit has a malfunction and I turned off the breaker to that a/c. It is too hot outside to work on it now. It just cycled on day and started blowing hot air. I did go up and check the unit for anything obvious and made sure the capacitors were discharged after cutting off power t that unit. After I noticed the 30 amp indicator I turned the breaker back on, it now shows 50 amp service. When I flipped the a/c breaker on the display was like the power was restarting . Green lites coming on from the bottom to top sequentially showing everything coming on line. I have only been in a 30 amp park once , it did not have the 50 amp plug in. Maybe I was only getting 30 amp service from the source or do I need to look for a new problem? Link to comment Share on other sites More sharing options...
Dr4Film Posted June 24, 2022 Share Posted June 24, 2022 All the circuit breakers in the EMS panel have to remain on for the control board and display to function correctly. Use the CCC control to keep the AC from powering up. Link to comment Share on other sites More sharing options...
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