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Hi Bluewater,
Welcome to iRV2. Also check the coach batteries. All kinds of unusual things can happen if the coach batteries are not operating correctly. At full charge the batteries should give a reading of 12.6 VDC or more. If fully charged, a reading lower than this means the batteries are suspect. When checking the batteries make sure the coach is disconnected from shore power.
I do not know how the Alpha is wired. The water pump and fridge should be on different circuits. The water pump fuse (10 AMP or more), should be in the 12 VDC fuse bank located somewhere on the coach.
The refrigerator will have several fuses. Most are located behind the fridge. This area can be access via a removable panel on the outside of the coach. I have a Dometic fridge and it has 3 fuses. Even when connected to shore power, the fridge need 12 VDC power to operate.
I mention the coach batteries because all the items mentioned in the OP require 12 VDC.
__________________
Gary
2005 Newmar KSDP 3910,
The Avatar Is Many Times Around The USA
Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours
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