Hopper System 259Service Manual – CS7000
Problem Cause Correction
The hopper dump
door will not open or
close.
Something is physically
lodged between the door
and the lower hopper.
Check the door and hopper and clear or remove any
debris or objects as necessary.
The
Dump Door Actuator
Motor M26
is not operating
correctly.
1. Check the wiring and connectors from the A1
Control Board to the dump door actuator motor
and repair as necessary.
2. Check the operation of the dump door actuator
motor. If the motor doesn’t operate with battery
voltage applied to it, replace the dump door
actuator.
3. Check the voltage outputs from J3-6 and J3-7 on
the A1 Control Board.
The hopper dump
door will not open.
The sensor on the Door
Extend Limit Switch (
S7) is
not functioning correctly.
Check the sensor/switch function as follows:
• The switch should close when it comes within
approximately .250” of a ferrous material.
• The switch should open when it moves
approximately .313” away from the material.
If the switch is not operating correctly, replace the
switch.
The hopper dump
door will not close.
The sensor on the Door
Retract Limit Switch (
S8) is
not functioning correctly.
Check the sensor/switch function as follows:
• The switch should close when it comes within
approximately .250” of a ferrous material.
• The switch should open when it moves
approximately .313” away from the material.
If the switch is not operating correctly, replace the
switch.
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