FORM NO. 56043126 - CR 1100, CR 1200 -
39
HOPPER SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1
Hopper dump door will not close in the dump mode.
Part A:
To test: Key switch must be on, hopper must be raised.
Dump door will not close
Check if the hopper raise indicator
light is flashing on A2 panel
Check continuity and
adjustment of hopper
interlock switch(S3).
Note: switch will check
open when hopper is
raised
Repair or replace
(S3) switch
Press and hold hopper door
close switch, is its green
indicator light on?
Substitute a new A2 display
panel. Does dump door operate?
Press and hold dump door
close switch. At the A1
board is the door close
green indicator light on?
Replace A1 control board.
Does dump door operate?
Check for 36V at L5 dump
door coil. Wire color
(+)VIO & (-)BLU/RED
Repair or replace
L5 coil wiring.
Does dump door operate?
Check for coil resistance at
L5 (66 ohm)
Replace L5 coil.
Does dump door operate?
See hydraulic dump door troubleshooting
section part B
At the A1 board is the
Hydraulic Pump green
indicator light on?
See Hydraulic pump will not
operate
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
no
no
no
Summary of Contents for Cr 1100
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