Domino’s RA-45 Schematics and Troubleshooting
289905-01-200
M-21-08 REV. A
Page
34
of
36
Troubleshooting Chart
Problem
Possible Cause
Correction
Platform will not raise, lower, or
move in & out, and motor will not
run.
1. Power shut off switch in “OFF”
position.
Set power shut-off switch to “1+2” position.
2. 175 A Circuit Breaker tripped.
Reset yellow lever on 175 A circuit breaker in
Battery Box.
3. Battery voltage low.
Tighten power and ground connections. Charge
batteries and check charging system.
4. Motor solenoid not working.
Set pump selector switch to other pump.
5. Blown fuse on control circuit.
Check wall switches for short circuits. Tighten
connections at switch and protect switch terminals.
Wall switches can be spaced out with ¼” spacer if
needed.
Replace 15A ATC fuse in battery box, #1 position
on terminal block.
Platform will only lower, motor
runs.
Limit switch lever / limit switch stuck.
Clear obstruction blocking lever/limit switch
movement. Grease lever hinge point.
Platform not going in or out,
motor runs.
1. Battery voltage low. Solenoids not
activating.
Tighten power and ground connections. Charge
batteries and check charging system.
Battery voltage should be > 12.2 V.
Lever
RESET
