TROUBLESHOOTING
Publication: 0028607 7-7
7
Compaction Compaction/De-water
function not working
Ejector plate problem See “Ejector plate” function in this
table.
Home or compact
proximity switches not
working
See Table 7-2: Electrical
Troubleshooting.
Debris level
sensor
Not sensing debris level Sensor turned off in
dump mode
Switch to vac mode.
Sensor antenna covered
with debris
Clean antenna port.
Water pump No water pressure
Note: Water pump
function should be
available in both vac
mode and dump mode.
Water pressure knob left
turned up
Turn water pressure knob down to
zero and then back up.
Water supply valve
closed
Open supply valve.
Water tanks empty Fill water tanks.
No selection made on
front panel MODE rocker
switch
Select VAC or DUMP mode.
Drain valve open Close drain valve.
Plugged or dirty water
supply strainer
Clean water supply strainer.
Nozzle too big or worn
out
Replace nozzle.
Water hose leaking Replace hoses.
PTO failure error
message
• Engine speed greater than 900
RPM.
• PTO hydraulic enable solenoid
failure or failed confirm switch.
Water pump directional
valve issue
Remove solenoid connectors and use
the manual override to move the water
pump.
Water pump position
stuck at one end
Check LVDT for proper movement
from 14.7 to 22.6 inches using manual
override.
No hydraulic pressure See “Hydraulics” function in this table.
Electrical malfunction See Table 7-2: Electrical
Troubleshooting.
Winter
recirculation
Water pump will not run Winter recirculation
rocker switch off
Turn winter recirculation rocker switch
on.
Water pump not moving PTO failure. See “Power Take-off
(PTO)” function in Table 7-2: Electrical
Troubleshooting.
Table 7-1: Mechanical Troubleshooting (Continued)
Function Symptom Probable Cause Solution
To Next Page
Loading...