Troubleshooting
PROBLEM
POSSIBLE CAUSE
SOLUTION
Grinder runs
briefly then trips
overload
Jammed rotating shredder
Remove jam.
Improper voltage to grinder
Verify that supply voltage and phase match information on control panel.
If they do not match bring in correct voltage and phase to machine.
Grinder motor is not wired
correctly
Verify connections (see standard motor connection diagram located
under terminal box cover).
Electrical supply overloaded
Connect system to dedicated electrical supply.
Grinder runs slow
and/or stops
when food waste
is inserted
Improper voltage to grinder
Verify that supply voltage and phase match information on control panel.
If they do not match bring in correct voltage and phase to machine.
Loose mounting screws
Tighten screws up.
Pinched or broken mounting
gasket
Replace gasket.
Grinder overload
protector trips
or fuse/circuit
breaker blows
immediately after
starting grinder
Improper fuse or circuit breaker
used
Check fuse or circuit breaker to verify that it matches required
specifications.
Improper voltage to grinder
Verify that supply voltage and phase match information on control panel.
If they do not match bring in correct voltage and phase to machine.
Control panel wired incorrectly
Verify connections (see standard motor connection diagram located
under terminal box cover).
Short in stator
Replace grinder.
Water leaking
from bottom of
grinder
Bearing seal failure
With system off, dry floor and bottom of grinder then add water until it is
above shredder plate, if water leaks on to floor; replace grinder.
Upper end bell cracked or
eroded away
With system off, dry floor and bottom of grinder then add water until it is
above shredder plate if water leaks onto floor; replace grinder.
Water sprayed into grinder
housing during clean up
With system off, dry floor and bottom of grinder then add water until it
is above the shredder plate, if water leaks onto floor replace grinder, if
water does not leak instruct end user not to spray grinder with water.
Grinder squeals
during operation
Bearing are worn
Replace grinder.
Rotor core is loose on shaft
Replace grinder.
Grinder vibrates
excessively
Too much water in grinder
Slow down feeding of liquids.
Grinder is overloaded with non-
biodegrable materials
Turn off grinder main power on control box and clear waste.
Water/slurry
leaking from
grinder waste
discharge or
mounting
Loose mounting screws
Tighten up screws.
Pinched or broken mounting
gasket
Replace gasket.
grind2energy.com
Grind2Energy Technical Support: 844-874-7529 | 17
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