Operator's Manual

Maintenance Instructions Page 49
Troubleshooting
General Troubleshooting
If the problem still occurs after all the checks listed below have been completed, contact an authorized Toro distributor for
service.
Symptom Cause
The belt control valve is in the center position.
The belt is incorrectly tensioned.
The material is too densely packed or clumped together (open rear gate latches to bulk
unload).
The on/off pendant switch is in the ‘floor off’ position for SH models.
The conveyor belt option on the control pendant is off for EH models.
The remote switch is off for the EH models.
The pressure and return hose quick couplers are not connected properly.
The tow vehicle (or power pack) has insufficient hydraulic oil.
There is no power at the solenoid. If 12 volts present belt will not move. If 0 volts present belt
should move.
Conveyor belt will not turn
The tow vehicle has insufficient hydraulic pressure and flow.
The tow vehicle (or power pack) has insufficient hydraulic oil.
The rpm is not at full throttle on the tow vehicle.
The belt is not tensioned properly and the rear drive roller is slipping.
The belt control valve is not fully open.
Conveyor belt is jerking
The tow vehicle has insufficient hydraulic pressure and flow.
The option flow control valve is in the ‘off’ position.
The option hose quick couplers are not connected properly.
The pressure and return hose quick couplers are not connected properly.
Option will not operate
The tow vehicle (or power pack) has insufficient hydraulic oil.
The battery connections are incorrect and/or insecure.
The battery harness connector at rear of tractor is not connected properly.
The on/off pendant switch is not plugged into the MH-400.
Conveyor belt will not stop
when using on/off pendant
switch
There is no power at the solenoid.
Hydraulics are noisy
The machine has not reached operating temperature (run for approximately 5 minutes).