Troubleshooting
Before rectifying faults on the machine, it is vital to switch off the drive and secure it so it
cannot be switched on accidentally or started-up by unauthorised persons.
Disconnect the machine from the mains.
▪ In addition, pull out the plug of the device.
▪ Disengage the universal joint shaft on the tractor.
– Before disengaging, turn the manual throttle to minimum.
▪ Remove the universal joint shaft from the tractor.
Work on electrical equipment must only be carried out by qualified electricians.
Fault Possible cause Remedy See page
Electric motor fails to
start or switches off
frequently
Faulty power supply
cable
Have the cable
examined by a
specialist
See [➙ 17]
Fuses keep tripping -
incorrectly rated fuse for
power supply cable
Use correctly-rated
fuses
Motor circuit breaker
tripped
Use stronger power
supply cable
Direction of rotation
wrong
Swap over two phases
Electric motor fails to
start
Limit switch not closed,
incorrectly adjusted or
defective
Close, adjust or change
limit switch
Switch does not work Faulty power supply
cable
Have the cable
examined by a
specialist
See [➙ 17]
Fuses keep tripping -
incorrectly rated fuse for
power supply cable
Use correctly-rated
fuses
Contactor or motor
circuit breaker faulty
Have switch checked or
send it in
Pusher does not extend Switch elements
jammed
Check switch elements
Not enough hydraulic oil
in hydraulic system
Change hydraulic oil See [➙ 32]
Pusher does not extend PTO shaft rotates in
wrong direction
Change PTO shaft
rotation direction
See [➙ 18]
Hydraulic oil getting too
hot
Not enough hydraulic oil
in hydraulic system
Check hydraulic oil level See [➙ 29]
Poor quality hydraulic
oil
Change hydraulic oil See [➙ 32]
Oil filter unclean or
blocked
Change filter insert See [➙ 33]
Machine loses power Hydraulic oil getting too
hot
See "Hydraulic oil
getting too hot"
Not enough hydraulic oil
in hydraulic system
Check hydraulic oil level See [➙ 32]
Sawing requires great
amount of power
Saw blade is blunt Sharpening the saw
blade
See [➙ 34]
Loose saw blade Tighten the hexagon
nut on the drive shaft
See [➙ 34]
Saw disc is coated in
resin
Clean saw blade with a
resin removing agent
Machine is noisy PTO shaft running too
fast
Adhere to specified
speed
See [➙ 18]
13
Troubleshooting
63
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