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garmp's avatar
garmp
Explorer II
Jun 15, 2019

progressive industries ems-pt30x E3 error code

Pretty new to the RV world and my progressive industries ems-pt30x has been gibving an E3 error code at the last couple of parks. Can these four parks all be wired wrong? And they are in 3 different s...
Seeking Advice
wa8yxm's avatar
wa8yxm
Explorer III
Jun 16, 2019
Before you make any phone calls meter the cconnection.

ON a 50 amp outlet the side to top (or bottom) should be 120 volts
Side to side 240

IF one of the sides shows like 140 and the other 100.. Open neutral.
Note you will have to meter UNDER LOAD.

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