120 volt compressors won’t start automatically

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encantotom
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Posts: 5,853
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04-11-2026, 09:00 PM

should have a well pressure switch where the air compressors are. if you take the cover off it and take a wood stick and pressure the relay contacts down and it starts, then the pressure switch is bad.

tom

2014 Haulmark 40' Super C on Freightliner Cascadia ISX15 Easton 13 speed

Former Owner 1990 38' Newell Coach 236 8V92
Former Owner 1999 45'8" Newell Coach 526 Series 60
Former Owner 2002 45'8" Newell Coach 608 Series 60

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Messages In This Thread

120 volt compressors won’t start automatically - by Larry - 04-08-2026, 07:08 AM

RE: 120 volt compressors won’t start automatically - by TerryW - 04-11-2026, 01:38 PM

RE: 120 volt compressors won’t start automatically - by encantotom - 04-11-2026, 09:00 PM

RE: 120 volt compressors won’t start automatically - by TerryW - 04-11-2026, 11:00 PM

RE: 120 volt compressors won’t start automatically - by Jack Houpe - 04-12-2026, 03:33 AM

RE: 120 volt compressors won’t start automatically - by johnkosir - 04-12-2026, 06:18 AM

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