WARNER ELECTRIC EUROPE - Rue Champfleur, B.P. 20095, F - 49182 St Barthélemy d’Anjou Cedex
SM354gb - rev 01/06
5/5
8
Troubleshooting and fault elimination
Troubleshooting
Fault
Brake does not
release
Brake does not brake
Nuisance braking
Cause
•
Starting voltage too low
•
Power supply is interrupted
•
Airgap too large
•
Worn disc
•
Coil is damaged
•
Overexcitation time too short
•
Polarity problems
•
Voltage present at switch off position
•
Grease on friction faces
•
Holding voltage too low
Remedy
•
Adjust starting voltage
•
Reconnect power supply
•
Re-adjust the airgap (chapter 4.1)
•
Change disc
•
Replace the brake
•
Increase overexcitation time
•
Check the connexions
•
Check the customer power supply
•
Change the disc
•
Adjust the holding voltage
Part
Part number
Friction disc
BT 2 12 095495
O-ring Kit
BT 2 12 095496
6
Spare parts
7
Tools
Tools
Function
Torque wrench (measurement range > 10 Nm) with hexagonal socket insert 5 mm A/F
Fixation screws
Multimètre
Voltage checking
Hexagon wrench key 5 mm A/F
Transport screws