Subject to changes without notice !
Änderungen vorbehalten !
Gearless Lift Machine
WSG-SF
Operating Instructions
EN
Code: GM.8.004284.EN
Date:
28. Jan 2020
Version: 0.16
Page: 109
Troubleshooting and eliminating faults
INTORQ | BA 14.0214 | 09/2017
48
Brake does not release
Incorrect micro-switch wiring Check the wiring of the micro-switch and correct it.
Micro-switch incorrectly set
Replace the complete stator and make a complaint about
the setting of the micro-switch to the manufacturer.
Air gap too big
Adjust the air gap (
28)
Measure the rotor thickness and compare against the min-
imum rotor thickness (
16). If required, replace the
rotor.
Rotor cannot rotate freely Wrong setting of hand-
release
Check the dimension "s+s
L
" with the brake energized. The
dimension must be the same on both sides. Correct if
required.
Air gap "s
L
" too small
Check the air gap "s
L
".
Rotor thickness too small Rotor has not been replaced
in time
Replace the rotor (
44).
Voltage not zero during
functional test (
37)
Incorrect micro-switch wiring Check and correct the wiring of the micro-switch.
Micro-switch defective or
incorrectly set
Replace the complete stator and send the complete
stator to the manufacturer.
Voltage too high
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.
AC voltage is not mains
voltage
Fuse is missing or defective
Select a connection with proper fusing.
Incorrect micro-switch wiring Check and correct the wiring of the micro-switch.
Micro-switch defective or
incorrectly set
Replace the complete stator and return the defective com-
plete stator to the manufacturer.
Fault
Cause
Remedy
Summary of Contents for WSG-SF Series
Page 111: ......
