Troubleshooting; Table 10: Troubleshooting - KEB COMBISTOP 38 Instructions For Use Manual

TrOUbLESHOOTING

8 Troubleshooting
The following table shows some causes and solutions of malfunctions during brake op-
eration. If this does not solve the problem or if other malfunctions occur, please contact
our service department.
Malfunction
Brake does not
release
No braking function
Brake operates with
delay, long engaging
time
Table 10:
cause
Incorrect voltage
Rectifier failed
Air gap too large, maxi-
mum air gap reached
Foreign particles between
armature and lining
Magnet coil or connecting
cable defective
Excessive heating
Damaged toothing pre-
vents the movement of the
armature
Friction surfaces contam-
inated
Brake is switched on the
AC side
Troubleshooting
Measures
Only operate the brake with the
correct voltage (see type plate of
the brake).
Replace the rectifier.
Change wearing parts.
Remove the foreign particles.
Clean the brake.
Replace the brake.
Insert a quick switch (e.g. KEB
Powerbox).
Replace the lining and the hub.
Clean the friction surfaces, re-
place them if necessary.
Switch the brake on DC side.
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