68
ED50/ED100/ED250
09-2021
DL4617-003
dormakaba ED50/ED100/ED250 OHC Header
Setup and Troubleshooting Instructions
Appendix B
No.
Display
Red LED
• Description
Troubleshooting error codes
4
E 12
Flashing
12 x
EEPROM error.
• Internal memory check could
not be completed.
• Drive unit works in door closer
mode.
• Using dormakaba handheld, reload current firmware to
reinitialize system.
• If the error is still present, the control unit must be replaced.
5
E 13
Flashing
13 x
Overcurrent detection.
Motor is consuming more current
than drive unit can provide.
• Motor is consuming too much power, check for any external
causes.
• Drive unit or control unit is defective.
• If error repeats, operator must be replaced.
6
E 15
Flashing
15 x
Faulty learning cycle.
Learning cycle could not be
completed (Chapter 12).
• Error may occur if learning cycle has been interrupted, for
example if door movement has been interrupted during the
learning cycle.
• Learning cycle must be repeated.
7
E 25
Flashing
5 x
SVP-PR 12 power reserve module
test negative.
• See Appendix A, parameter
TS
, Power reserve module test.
• Check power reserve module and its wiring.
8
E 26
Brake error.
Reference Chapter 21, Maintenance. Para. 21.4 - Brake maintenance.
1. Brake error during learning cycle.
• Check brake wire connections on X3 terminal strip.
Verify wire insulation has been properly stripped from end of wires
and wires are secured under terminals.
• Red wire terminated on 1G, black wire on 3.
Reference Figure 21.4.8, brake wiring.
2. Verify that the only wiring on X3 terminals 1G and 3 are the brake
wires.
3. Brake air gap tolerance issue.
• Brake air gap adjustment.
Reference Para. 21.4.1, Adjustment of air gap.
Brake power (1G: +27 Vdc, 3: 0V).
• ON when door is in fully opened position.
• OFF when hold-open time expires.
9
E 51
E 52
E 53
Flashing
5 x
Incremental encoder error.
• Motor gear unit encoder
monitoring detected a faulty
state.
1. Check encoder plug connection at operator.
• Secure connection.
• Wiring terminations
• Short circuits.
2. Check locking device for short circuits.
• Error can be caused by defective motor or short circuit in locking
device.
• Motor gear unit must be replaced in event of defective motor.
10
E 62
Flashing
6 x
Incompatible firmware version,
double door system, second system.
• Equip both operators with same firmware version.
B.4.1 Troubleshooting chart, "E" codes.