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Old 08-22-2021, 10:47 AM   #1
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2015 Tiffin Allegro Bus 37 AP - Slides won't extend after driving

Twice now I have had an issue after parking from a short road journey where none of the 4 slides will Extend. In the camp ground, after about 20 minutes without really doing anything other than checking circuit breakers (none needed to be reset), finally the Extend buttons began to work.

Routine:
Park
Neutral
Parking Brake
Engine idling to cool down
Level system using Air system
Try to extend slides and nothing happens
Key on / off etc, multiple tries
Manual doesn't seem to be of any help

Anyone have a thought?
Thanks in advance.
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Old 08-22-2021, 11:00 AM   #2
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What was house bank voltage when they did not work?


What was house bank voltage when they did work?



Assume you connected shore power when you parked-- please confirm.
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Old 08-22-2021, 11:04 AM   #3
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Yes, connected to short power both times this has happened.
I just went back out to the coach and "re-leveled" with hydraulic jacks and still no slide operation.

House voltage is at 13.1v
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Old 08-22-2021, 11:14 AM   #4
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Front slides are hydraulic and rear slides are electric. For none of them to operate it seems like the ignition switch may not be on. I always have engine running when I do mine. You say you have leveled and with engine running still nothing works? How long has this been happening?
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Old 08-22-2021, 11:16 AM   #5
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I've tried it with engine running, engine off, key on, key off and all combinations that I can think of.
On the control panel, there is a light "Slides Ready" and it shows "white" instead of "Blue".
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Old 08-22-2021, 11:40 AM   #6
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Try this thread. The fix is in post #23. Hope it’s that easy.

https://www.irv2.com/forums/f106/no-...on-514853.html
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Old 08-22-2021, 12:55 PM   #7
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With all four slides the common denominator is the slide controller circuit board in the G6 panel, driver's side front compartment. It's the top most board and controls power to all slides. You can check to see if all connections are tight, but it's possible a failed relay on the board.
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Old 08-22-2021, 01:10 PM   #8
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Ok, well, still no luck. In the front electrical compartment on the drivers side, I do not see a Lippert control panel at all. I've submitted photos of everything in that compartment.
Again for reference, this is a 2015 Tiffin Allegro Bus 37AP.

Now for the 2nd mystery, my water pump has now decided that it doesn't want to come on. I tested the pump with a 12v jump box and it is fine. On any of the switches to turn on the pump, they do not respond. I don't have any tripped breakers in the master closet and none of the little push button breakers in the master closet or in the forward drivers side compartment.

Sigh................
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Old 08-22-2021, 01:27 PM   #9
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Old 08-22-2021, 01:32 PM   #10
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If you have Schwintek slides in the bedroom, then the controllers are more than likely in the rear or second to rear compartment on the passenger side. They are usually mounted up high in the compartment so you have to bend down to see them. Since your hydraulic and electric slides are both involved, the problem is not with the slide controller but a power issue. Have you tried resetting the Spyder system by turning off all 12v power for a minute then turning it back on?
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Old 08-22-2021, 01:37 PM   #11
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Please excuse my naivete, but how would you turn off all 12v power? By unhooking from shore power and turning off inverter?
Thanks
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Old 08-22-2021, 02:33 PM   #12
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I have turned off both the Chassis and House disconnects and then turned them back on and still no slide action.

I did find the Lippert controllers in the passenger side compartment where the hydraulic pump is located. Checked all connections and still no luck.

Appreciating the assistance.
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Old 08-22-2021, 02:52 PM   #13
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Followed instructions to push button 6 times, push 7th time and hold until lights flash and then try buttons inside. Still no luck.
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Old 08-22-2021, 03:01 PM   #14
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Quote:
Originally Posted by rmarble57 View Post
Please excuse my naivete, but how would you turn off all 12v power? By unhooking from shore power and turning off inverter?
Thanks
Use the house disconnect switch by the door then also go to the house battery bay and turn off the big red battery switch. Your symptoms sill point to the main slide controller circuit board in the DS front bay G6 panel. Call Tiffin tomorrow and let them help you through the problem.

You said the levelers are working so that eliminates the fuses and solenoids on the HWH pump so that leaves the slide control board.
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