10. Troubleshooting
WARNING!
Before troubleshooting, read and understand the
Service and Maintenance Safety on page 56.
Set the machine to a safe condition.
The following table lists some of the problems that you may
encounter and provides possible causes and solutions.
If you encounter a problem that is difficult to solve, even after
reading this information, please contact your local dealer, the
distributor, or Wallenstein Equipment. Before you call, please
have the serial number for your product handy.
To find the serial number on your machine, see Serial Number
Location on page 5.
For engine troubleshooting, see the engine manufacturer's
manual.
Problem Possible cause Solution
Engine is difficult to start or performance is reduced. Engine fuel. Not all fuel is the same. Change the fuel provider or brand.
Winch motor does not move. Rope is jammed. Disengage the winch gear, pull the rope out, and then
carefully guide the rope, while it retracts onto the spool
under load.
Winch rope does not pull out. Winch gear is engaged. Disengage the winch gear.
Winch rope does not retract. Winch gear is disengaged. Engage the winch gear.
Cylinder rod moves slowly or does not move. Wood is jammed around the wedge. Set the machine to a safe condition, and then remove
the wood. For instructions, see Safe Condition on page
9.
Cylinder rod or winch motor moves slowly or does
not move.
No hydraulic fluid pressure because the fluid
filter is plugged.
Change the hydraulic fluid filter. For instructions, see
Change the Hydraulic Fluid and Filter on page 60.
No hydraulic fluid pressure because the
hydraulic fluid is low.
Add hydraulic fluid. For instructions, see Add Hydraulic
Fluid to the Reservoir on page 31.
Low hydraulic pressure. The relief setting may
be low.
Contact a technician.
Low engine speed. Make sure the choke is Closed and the throttle is set
to Fast. For information, see Engine Control Panel on
page 20.
Control lever does not go to neutral after the cylinder
rod is fully advanced or retracted.
Detent is set too tight. Contact a technician. The valve detent requires
adjustment.
Hydraulic fluid is too cold. Wait for the machine to warm up.
Hydraulic fluid is old or contaminated. Change the hydraulic fluid and filter. For instructions,
see Change the Hydraulic Fluid and Filter on page
60.
Control lever goes to neutral before the cylinder rod is
fully advanced or retracted.
Detent is set too loose. Contact a technician. The valve detent requires
adjustment.
Control lever does not go to neutral when released. Control is damaged. Call a technician. The control requires service or
replacement.
Cylinder stops on contact with wood. Second pump stage is not functioning. Call a technician. The pump requires service or
replacement.
Hydraulic hose leak. Hose is worn or damaged or a fitting is not
secure.
Replace the hose or secure the fitting. If required,
replace the fitting.
Cylinder is leaking. Seals are worn. Call a technician. The cylinder requires service or
replacement.
WP845 / WP875
Trailer Firewood Processor
Troubleshooting
63