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Topic: Shore power not working. (Read 770 times) previous topic - next topic

Shore power not working.

Background.

Was plugged into shore power at Naval Station, Great Lakes, IL the voltage climbed to 133 volts and the Progressive Industries EMS-LCHW50 management system shut down the coach.  Voltage dropped below 130 volts and power was restored.  Voltage climbed to 134 volts and the unit shut coach down again.  This is what it's supposed to do.  On the second try the Electrical Dept came out, fixed the problem, and now the voltage is 124 volts but there is no power to coach.  Generator was run on two days with no problem.

What's been tried:

Tested EMS shows error code E0 (normal)  L1 & L2 124 volts 60 Hz  Amps 0 on both.  Took cover off and bypassed unit per manufacturer.  No effect.  Metered both sides of the relay and have power on both sides.  EMS is OK.  Breaker panels on front of bed all are on.  Did not take panel apart yet.  Checked in all the bays and all fuses relays are normal.

Question:

 Is there some breaker/fuse I don't know about?  Is the changeover switch not releasing from generator power?

Coach is at Camping World, Wauconda for service (appointment made a while ago).  Would like to give them an idea as to what it may be.  Or fix it myself.

Any and all ideas welcome!

Keith

     
Keith, Joyce & Smokey the Australian Cattle Dog
1995 U320 SE Extreme 40' WTBI Build # 4780, with a Honda CR-V hopefully still following behind.
Motorcade # 17030
FMCA # F422159

Re: Shore power not working.

Reply #1 –
Keith, It sounds like a possibility of the coil not pulling in the normal contactor, while the generator contactor is working fine.  So I would lift bed (Unknown what model you have) open the transfer switch, check voltages with generator off and plugged into the good power post.  Check to make sure you have the voltage on input side of the contactor.
Just an idea.

Re: Shore power not working.

Reply #2 –
Dave,

Lifted bed but did not see anything under there this morning.  I have a '95 U320 SE.

Keith
Keith, Joyce & Smokey the Australian Cattle Dog
1995 U320 SE Extreme 40' WTBI Build # 4780, with a Honda CR-V hopefully still following behind.
Motorcade # 17030
FMCA # F422159

Re: Shore power not working.

Reply #3 –
Check with James to see if he moved it. It should be the grey box in the forward 'cubbyhole' on the driver's side. Often that cubbyhole is covered by a thin piece of black painted plywood. The area is about 10-12" wide.
The selected media item is not currently available. Dave Head & Megan Westbrook
Titusville, FL - The Great Outdoors
'98 270 buying this month
Toad is a 2018 F150 XLT

Re: Shore power not working.

Reply #4 –
Ah!  Would that be looking straight down with the bed raised?  I did not realize that there was anything under it besides the breaker panel backs.

Keith
Keith, Joyce & Smokey the Australian Cattle Dog
1995 U320 SE Extreme 40' WTBI Build # 4780, with a Honda CR-V hopefully still following behind.
Motorcade # 17030
FMCA # F422159

Re: Shore power not working.

Reply #5 –
Quote from: Keith and Joyce –
Ah!  Would that be looking straight down with the bed raised?  I did not realize that there was anything under it besides the breaker panel backs.

Keith
Yes...If you would, the space where the transfer switch is located is in the area "behind" the electrical panels, but as Dave H. mentioned, on the drivers side of the bed box.
Peter & Beth Martin
No Forrest? What have you done?
MC# 15890 until Dec 2016; FMCA #F329677
Cincinnati, OH
 

Re: Shore power not working.

Reply #6 –
Thank you Dave, Peter & Beth for the info.  That's the great thing about this forum sound timely advice!

Keith
Keith, Joyce & Smokey the Australian Cattle Dog
1995 U320 SE Extreme 40' WTBI Build # 4780, with a Honda CR-V hopefully still following behind.
Motorcade # 17030
FMCA # F422159