Bay door locks

[Executive45]

All right..I've searched to high heaven for an answer to my problem. Maybe someone on here can offer some advice. I have a Monaco Executive 45PBQ with auto bay door locks. The bay doors can be locked either by pressing the key fob remote or pressing 555 on the combo by the door. Pressing the other button on the remote unlocks them. You can also do so by entering the correct code in the code reader. My issue is this...

Last week the driver's side bay doors decided they wouldn't cooperate with the passenger's side. When I depress the button on the key fob, the passenger side doors open like they should, but the driver's side ignore the command. Using the key pad and I get the same result. I've checked all the pin switches on all of the doors and they appear to be working correctly. I've checked the breakers, the GFCIs and all of the fuses, front run bay, rear run bay and closet. All fuses checked ok.

Anyone have any ideas? The keys open the bay doors and lock them as they should. That said, I'd like to get the remote locks working again if possible. This only affects the driver side of the coach. TIA...

Dennis

[2_many_2]

:B:B:B :S :h 🙂

[Executive45]

Got up this morning determined to fix this thing. Downloaded the prints of the wiring diagrams and printed them out. Pulled out the electrical tool box and put new batteries in the meters. Ready to take on the world. Pressed the code into the key pad and BOOM! all locks worked! Tried the key fob and bingo! same result. All locks opened and locked as they were supposed to.I think it was a miracle-it is Sunday after all. Anyway, thanks to everyone who responded. Pretty difficult to trouble shoot something that isn't broken. Scratching my head on this one....Dennis

[msmith1199]

Did you check the flux capacitor? That's the limit of my electrical knowledge! Or on a real note, most every weird electrical problem I've ever successfully fixed without having to take to somebody who actually knew what they were doing, was a grounding issue. Wiggle the ground wires!

[Executive45]

I'm gonna try to locate things tomorrow if it doesn't rain. Using the diagrams, I'm thinking a bad relay and/or an "issue" in the passenger side armrest which is where tons of wire hide out...I'll post on Monday what I find. Thanks everyone...Dennis

[hypoxia]

You can find those diagrams in the Yahoo Monacoers file name
"2007 Monaco Signature Wiring Diagrams.pdf" page 90 & 175

[hypoxia]

If it's the same as the 2007:

[hypoxia]

What year is the coach?

[2_many_2]

Executive wrote:
However, it does not show the 'switch' on the engine hatch. That switch has been broken for years and appears to be one of the plunger style switches. I just wired that switch together and it's worked fine until now.

Here is a thought, from the above statement it sounds like the "switch's" are a "daisy" chained grounding system if one is not making contact the entire system shows open ground.

One idea: Wire the switch's together on the non working locks one at a time to see if one of them is bad. If need be wire all the switches together, that should eliminate the switches as a problem.

Second Idea: Run long jumper wires from one of the locks on the working side to the non working side to see what happens. Jump each lock to see if one actually sends power to the rest. This will verify if any locks are working and identify the first one in line that supplies power to the rest, if that is how they are wired.

Third Idea: Use a contact cleaner like CAIG Deoxit on all the lock system contacts, switches, boards, connections, everything, corrosion is our enemy.

Just a few blind thoughts :h

[Mr_Mark1]

Dennis, I honestly don't know much about that system as it was probably the exact same system that we had on our Dynasty. Since it hasn't been mentioned, I'll say it. I was always told that the locking system had a controller either behind a panel at the passenger side dash board or behind the storage compartment at the passenger seat. Do you think that controller might be shorting out?

This is just a thought as my thimble runneth over.

Safe travels,
MM.

[Executive45]

K Charles wrote:
Is there power going to the locks?

Yes on the passenger side. Only sometimes on the driver's side, and only in lock mode. Not in unlock.

[Executive45]

10forty2 wrote:
Any chance the programming got erased or changed on the driver's side? Is it a dip-switch programming or RF/IR programming? Maybe a temporary loss of power to that side? Not familiar with the setup, but just guessing that there may also be a small button-cell battery on the remote locks.

No dip switches..everything goes thru the key pad which is programmed. That said, the key fob works independently of the key pad which would indicate the 'issue' lies within the wiring of the coach. Thanks for your input....Dennis

[Executive45]

Thanks for all the suggestions so far. I looked at the diagrams in the Monaco manual and it indicates the circuit goes from the PS front bay to the rear of the coach and then over to the DS. However, it does not show the 'switch' on the engine hatch. That switch has been broken for years and appears to be one of the plunger style switches. I just wired that switch together and it's worked fine until now. I've checked the continuity thru both sides and it checked ok. One thing that happened the other day was in locking the coach with the key pad, both sides locked but only the passenger side would unlock.

I'm also at a loss as to where the fuse(s) marked DS ACT and PS ACT are located. Would those be in the front run bay? TIA...Dennis

[Trumpet_Player]

Dennis,

One time I had a similar problem with my bay door locks and my remote. I used the key to unlock the bay door where all of the fuse blocks and electronics are located (in my case the left front) and unplugged the controller for the alarm and locks hoping to reboot the system. It worked. No problems since.

Good luck and safe travels.

[Ivylog]

Twomed wrote:
Dennis you said checked all fuses... FRB fuse is labeled DS ACT and PS ACT. These are the fuses for the door locks. ???

Since all of one side is not working... that side is not getting power. As Chuck suggested, probably the DS ACT fuse and hopefully it does not blow again indicating a short somewhere, even one of the solenoids.