Is it an hwh system? If so, id suspect your master solenoid is starting to fail. Hwh website has a trouble shooting guides and tiffin has videos on how to close slide in an emergency by jumping from DC feed directly to the pump motor. Also how to retract jacks
My slide and jacks would occasionally not work. Then they died and not of the tricks (cycling key 3 times, removing power, resetting brake) worked. It was the master (continuous duty) solenoid. Bought replacement on amaZon. On removing the failed solenoid, i found it was marked master but had the trombella part number of the intermittent duty solenoid.
Trombella part #s for my 2020 32SA. U can likely verify your solenoid part # by photo while installed. Save the nuts on the terminals as the new ones do not come with the hardware.
Master 684-1211-012
Intermittent 684-1211-012
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Laird
2020 Tiffin Allegro Open Road 32SA
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