7-14 Publication: 0028607
TROUBLESHOOTING
7
Ejector plate Ejector plate will not
move
Control panel MODE
rocker switch not set to
DUMP
Set MODE rocker switch on the
control panel to DUMP.
Ejector plate not fully
retracted
Home proximity switch
not sensing it fully
retracted
• Clear out debris in front of ejector
plate.
• Adjust proximity sensor bracket.
Defective proximity switch
or wiring
Make sure EJ Home Prox is
illuminated on the Body I/O
Diagnostics menu on the front control
panel HMI screen.
Compaction Compaction/De-water
function not working
Ejector plate problem See “Ejector plate” function in this
table.
Home or compact
proximity switches not
working
Water pump Will not run; no water
pressure
Water pressure knob left
turned up
Turn water pressure knob down to
zero and then back up.
Hydraulic PTO not
enabled
• Select VAC or DUMP on the front
control panel MODE rocker switch.
• See “Power take-off (PTO)”
function in this table.
Hydraulic pressure to
water pump not enabled
by load sense valve
Perform a manual override and verify
the water pump is stroking by
watching the LVDT movement on the
front control panel HMI screen.
Water pressure
potentiometer failure
Repair or replace the water pressure
potentiometer.
Load sense valve failed Repair or replace the load sense
valve.
Winter
recirculation
Water pump will not run Winter recirculation
rocker switch off
Turn winter recirculation rocker switch
on.
PTO failure See “Power take-off (PTO)” function in
this table.
Lights Lights will not work Too much current load Determine the cause of the
overcurrent condition.
Fuse blown Correct the reason for blown fuse,
then replace blown fuse.
Wireless pendant Wireless pendant not
functioning
Truck not in work mode Enable work mode.
Pendant not enabled Enable pendant.
Batteries are dead Replace batteries.
Not in vac or dump mode Set MODE rocker switch on the
control panel to VAC or DUMP.
Electrical malfunction
(loss of communication)
Check transmitter/receiver
communication link LED.
Table 7-2: Electrical Troubleshooting (Continued)
Function Symptom Probable Cause Solution
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