38
- FORM NO. 56043126 - CR 1100, CR 1200
HOPPER SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1
Hopper dump door will not open in the dump mode.
Part A:
To test: Key switch must be on, hopper must be raised.
Dump door will not open
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
On A2 Press and hold
hopper door open switch, is
its green indicator light on?
Substitute a new A2 display panel.
Does dump door operate?
Press and hold dump door
open button. At the A1
board is the door open green
indicator light on?
Replace A1 control board.
Does dump door operate?
Check for 36V at L4 dump
door coil. Wire color
(+)VIO & (-)BRN/GRN
Repair or replace L4 coil wiring
Does dump door operate?
Check for coil resistance at
L4 (66 ohm)
Replace L4 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
no
no
no
no
no
no
no
no
no
no
no
yes
yes
yes
yes
yes
yes
yes
Содержание Cr 1100
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