
Page 17
Torque Sensor
Model 8627, 8628, 8632
7. Maintenance
7.1
Maintenance Schedule
Action
Frequency
Date
Date
Date
Control of cables and connectors 1 x p.a.
Calibration
< 26 months
Control of fixation
1 x p.a.
(flanges, shafts)
7.2
Trouble Shooting
Problem
Possible Cause
Trouble Shooting
No signal
No sensor excitation
►
Outside of permissible range
►
Connect excitation
►
Cable defect
►
No mains supply
Signal output connected
►
Connect output
wrong
correctly
►
Evaluation electronics defect
Sensor does
Shaft not clamping
►
Clamp correctly
not react to
No power supply
►
Outside of permissible range
torque
►
Connect supply
►
Cable defect
►
No mains supply
Cable defect
►
Repair cable
Connector connected
►
Connect correctly
wrong
Signal has
Cable defect
►
Repair cable
dropouts
Zero point
Cable defect
►
Repair cable
outside of
Shaft mounted distorted
►
Mount correctly
tolerance
Distorted shaft string
►
Release from distortion
Strong lateral forces
►
Reduce lateral forces
Shaft overloaded
►
Send to manufacturer
Wrong torque
Calibration not correct
►
Re calibrate
indication
Sensor defect
►
Repair by manufacturer
Torque shunt
►
Eliminate shunt