Dormakaba ED50 - Page 69

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ED50/ED100/ED250 09-2021DL4617-003
dormakaba ED50/ED100/ED250 OHC Header
Setup and Troubleshooting Instructions
Appendix B
No. Display Red LED
• Description
Troubleshooting error codes
 E 
Flashing
 x
Incompatible fire protection setting.
double door system.
• For double door systems, the Upgrade card fire protection must
be installed in both control units.
 E 
Flashing
 x
System error , nd shutdown option.
• In order to reliably switch off the drive unit, several switching
elements are used and their functions are tested periodically.
• If the function test always results in the error code, the control
unit must be replaced.
 E 
Flashing
 x
System error , current measurement
circuit.
• The current measurement circuit is part of the safety
mechanisms and its function is tested periodically.
• If the function test always results in the error code, the control
unit must be replaced.
 E 
Flashing
 x
System error , braking circuit.
• The braking circuit is a safety element in the closer mode and will
be tested every  hours.
• During the test the motor is shut down during door closing and
the door closes at a set angle in emergency mode.
• Test can be noticed as a short jerk on the door and is normal.
• Error can be due to door closing in the deenergized state too fast
(under  seconds). See Chapter , Power fail closing speed.
. Check the closing speed and reduce if necessary.
 PF Short circuit of  V supply voltage.
. Eliminate short circuit.

- 
Energy management.
• Motor is too hot (for example, too
high an ambient temperature)
• System responds automatically.
. Movement dynamics in the closed direction will be reduced.
- 
 Movement dynamics in both the open and closed directions will
be reduced.
- 
 System shuts down for  minutes (door closer mode).
- 
 Hold-open time will be extended.
B.. Troubleshooting chart, "E" codes.