KEB COMBINORM, Instruction Manual, Page: 34 / 41

Maintenance and Troubleshooting
34
©
2021 KEB America, Inc.
7.2 Troubleshooting
The following are some common issues that may occur with the COMBINORM brake, as
well as steps to resolving these issues.
Before performing any troubleshooting, follow all relevant safety guidelines.
→
See section Maintenance Safety Guidelines for details.
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
Contact your local KEB agency for any problems not covered by
this manual, or if the troubleshooting steps listed do not fully
resolve the problem.
Problem Potential Causes Solution
Loss of
Braking
Torque Incorrect Voltage Only operate the brake with the correct
voltage. See the name plate of the device
for details.
Defective Magnet Coil Replace the brake.
Defective Connecting
Cable Replace the brake.
Foreign Particles in the
Air Gap Thoroughly clean the brake removing any
foreign contaminants from the air gap.
Air Gap Too Large Adjust the air gap to be within parameters.
→
See Adjusting the Air Gap
Flat Spring Overstretched Check motion of flat spring. Replace brake
if necessary.
Friction Surfaces
Contaminated Clean friction surfaces. If friction surfaces
are damaged, replace the brake.
Thermal Overload of
Brake Replace the brake.
Delayed
Braking
Function Flat Spring Overstretched Check motion of flat spring. Replace brake
if necessary.
Foreign Partiles in the Air
Gap Thoroughly clean the brake removing any
foreign contaminants from the air gap.
Table 5 Troubleshooting
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If the above troubleshooting steps do not successfully resolve the
issue, contact support at KEB America Inc.