FORM NO. 56043126 - CR 1100, CR 1200 -
49
DUST CONTROL SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1
Dust control impeller motor will not run
Part A:
Note: Do all testing with the key switch on, hopper closed, dust control switch on, seat switch and foot pedal activated.
Press the dust control
switch, (located on the A2
display panel) is its green
indicator light on?
Substitute a new
A2 display panel.
Does impeller operate?
On the A1 board is the dust
control light on?
Replace A1 control board.
Does the impeller motor
operate?
Check for 36V at K6 impeller
motor coil. Wire colors
(+)VIO & (-)BRN/YEL
Repair or replace K6 coil
wiring. Does impeller motor
operate?
Check K6 coil resistance
(120 ohms) + or - 10%
Repair or replace K6
contactor. Does impeller
motor operate?
See Part B Load Circuit
no
no
no
no
no
no
yes
yes
yes
yes
no
no
Summary of Contents for Cr 1100
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