Troubleshooting and fault elimination
Kendrion INTORQ | BA 14.0217 | 07/2021
80
Fault
Cause
Remedy
Brake cannot be re-
leased, air gap is not
zero
Air gap "s
L
" is too
large
Adjust the air gap (Adjusting the air gap, Page 74).
Rotor cannot rotate
freely
Wrong setting of
hand-release
Check the dimensions s
LN
+ s
HL
with the brake energized. The dimen-
sions must be the same on both sides. Correct if required. (Refer to
Mounting the hand-release (retrofitting), Page 54.)
Rotor is too thin
Air gap "s
L
" too small
Check the air gap "s
L
" and adjust if necessary (Adjusting the air
Rotor is too thin
Voltage too high
Rotor has not been
replaced in time
Replace the rotor (Replacing the rotor, Page 74).
Brake voltage does
not match the rectifier
Adjust rectifier and brake voltage to each other.
Voltage too low
Brake voltage does
not match the rectifier
Adjust rectifier and brake voltage to each other.
Voltage too low
AC voltage is not
mains voltage
Defective rectifier
diode
Replace the defective rectifier with a suitable undamaged one.
Fuse is missing or
defective
Select a connection with a proper fuse.