39
Troubleshooting Chart
Symptom Probable Cause Suggested Solutions
Engine will not start ECM has generated a fault
code for the engine.
Check fault code and remedy.
No fuel. Check fuel gauge and water
separator bowl.
Rotary air valve not
turning
Hydraulics master toggle
switch is not on.
Flip switch to ON position and press
MATERIAL START button on the
hardwired pendant.
Rotary air valve clean
out door switches are not
closed.
Make sure doors are closed and
handles are screwed down to ensure
switches are closed.
MATERIAL START button
was not pressed on the
pendant.
Press MATERIAL START button (on
the hardwired pendant) firmly to start
material flow.
Floor not turning Dump valve solenoid is not
energized.
Press FLOOR ON/OFF button on key
pad.
Make sure plug is connected on
bottom solenoid valve.
Check to make sure you are getting
12 VDC across plug terminals.
Solenoid valve is stuck due
to contamination.
Press override button in the center of
the solenoid valve cartridge.
Feed roll / floor jammed. Check gauge reading; if 2000 psi,
push FLOOR ON/OFF button and
reverse floor with auto reverse (AUTO
REV.) button.
Rotary air valve
constantly auto-
reversing
Overfeeding rotary air
valve
Decrease floor speed. See Bark
Blower Adjustments section for tips.
Dull rotary air valve knives Check knife clearance; sharpen or
replace knife if dull or chipped.
Rotary air valve stalling,
not auto-reversing
Pressure switch is not
closing at 2,100 psi
Check pressure switch connections
or replace switch if necessary. Check
relief setting rotary air valve.
Discharge material
pulsing; not smooth
Too much material and not
enough air flow
Increase engine throttle and decrease
floor speed accordingly.
Partial plugging in rotary
air valve discharge
Check rotary air valve discharge for
blockage and air leaks.
Engine Overheat Lack of Coolant Check for leaks and add coolant.
Radiator Obstructed Blow out radiator to clear obstruction.
DO NOT use pressurized water:
damage to radiator fins could occur.
To Next Page
Loading...
