User manual for Javo Plus M2.0
Version 22300779
page 24 / 27
7.7.
Troubleshooting
Problem
Possible cause
Action/solution
Electric motor malfunction
Grid voltage differs from the nominal
voltage by more than 10%
Provide for grid supply with the correct
voltage
Cooling air temperature too high
Provide for cool air
Cable connection faulty
Check and repair cable connection if
necessary
Fuse blown
Replace fuse
Not enough cooling air, cooling air
passage is blocked
Provide for proper supply and exhaust of
cooling air
Controller malfunction
Consult the controller manual
Motor hums and draws
high current
Failed winding
Repair or replace the motor
Loose wire
Connect wire
Fuses blow or automatic
circuit breakers trip
Short circuit in wiring or motor
Remedy short circuit
Live parts in the motor contact the
housing or the motor has a short circuit
in the windings
Call in a repair company to remedy short
circuit
Motor is connected wrongly
Connect motor properly
Drill's motor stops as soon
as the drill contacts the soil
Electrical problem with the motor or
cable
Contact an electrician
Drilled hole is not deep
enough
Depth is not set correctly
Adjust depth
Second drill head does not
turn
Toothed belt broken
Replace toothed belt
Holes in wrong position
Check width setting and adjust if
necessary. Measure, where relevant
Hole in one pot in holder is
closer to rim than in other
pot
Loosen 3 M8 bolts around motor and turn
drill unit.
Disk cannot be adjusted/
difficult to adjust
Bearings worn out
Replace disk bearings
Machine does not start
Hatch with safety proximity switch open
(such as drill hatch)
Close hatch and reset safety circuit by
pressing reset button
Red head of emergency stop button not
pulled out
Pull red head of emergency stop button out
and reset safety circuit by pressing reset
button
Emergency stop button not reset
Reset safety circuit by pressing reset button
Automatic circuit breaker or controller
in switch box has tripped
Inspect to find out why automatic circuit
breaker or controller has tripped. Remove
any obstacles from supply belts. Reset
automatic circuit breaker after solving
problem
Second machine in the line is not ready,
so take-off is not enabled.
Release take-off of second machine in line.
Pot separation take-off is
jammed
Cylinder carries out sequence of
movements too slowly, so machine take-
off steps are not completed in sequence.
Valve may be fouled
Replace relevant valve
Used pots not separated.
Pots sticking together
Do not use used pots
