Domino’s RA-45 Schematics and Troubleshooting
289905-01-200
M-21-08 REV. A
Page
36
of
36
Troubleshooting Chart
Problem
Possible Cause
Correction
Platform not going up or down,
motor runs. - Continued
3. Cylinder flow control valves blocking
port.
Tighten cylinder flow control valve to 5 ft-lb.
Red/Green stow lights at from of
trailer not working.
1. Tractor 7-way plug not connected to
trailer.
Connect 7-way plug.
2. No power to 7-way aux pin
Check tractor 7-way fuse. Replace if needed.
3. Proximity sensor out of adjustment.
Check metal target on platform is within 3/8” of
sensor with platform stored.
4. Proximity sensor not working.
Check that proximity sensor is getting >11.5V.
Proximity sensor has a LED lit when it is active.
Place metal within 3/8” sensor. If LED goes out
sensor is working. Replace sensor if needed.
Flashing lights and work lights on
platform not working.
1. Wiring short circuit. Possible
damage to light wiring.
Repair damaged wiring and replace 5 A fuse in
Junction Box.
2. Proximity sensor near storage latch
not working.
Check that proximity sensor is getting >11.5V.
Proximity sensor has a LED lit when it is active.
Place metal within 3/8” sensor. If LED goes out
sensor is working. Replace sensor if needed.
Flow Control
