Troubleshooting
133
27891EN-900-02 / Edition 02/2017
15 TROUBLESHOOTING
Description
Cause
Remedy
Rollers do not
rotate or with
reduced speed.
EMERGENCY STOP
actuated.
Unlock emergency stop
button.
Safety device not or
incorrectly mounted.
Check safety device, mount
correctly.
Power supply interrupted.
Switch on main switch,
establish power supply,
check fuses if necessary.
Electric assembly group
without power supply.
Check fuses, contact Service
if necessary.
Overload of drive.
Switch off drive with stop
button. Rectify reason for
overload, restart machine
after remedy.
Thermal overload of drive. Reduce speed.
Let machine cool down at
standstill.
Overload due to highly
viscous product.
Process product in several
passes. Hereby, larger gap
values for the first passes.
Reduce gap widths stepwise
in the subsequent passes.
Noise from the left
machine side.
Drive belt insufficiently
tensioned or defective.
Tension or let be replaced by
EXAKT Service.
Belt tensioner or deflector
pulley worn.
replace / EXAKT Service.
Toothed wheel defective.
replace / EXAKT Service.
Product fineness
decreases.
Product is not
remove clean.
Rollers damaged.
replace / EXAKT Service.