Troubleshooting Charts - Dorma ED100 Service Manual

ED100 / ED250
—
Troubleshooting chart – Information messages
Display LED Meaning / cause
Display
Flashing System error 1 (second shutdown option)
seven
In order to deactivate the operator safely at
times
E 71
any time, several control elements are used.
These elements are tested on a cyclical
basis to ensure proper functioning.
Flashing System error 2 (current measuring circuit)
seven
Current measuring circuit forms part of the
times
safety equipment and is tested on a
E 72
cyclical basis to ensure it is working
properly.
Drive is working in emergency mode.
System error 3 (braking circuit)
Flashing
seven
Braking circuit is a safety element in door
times
closer mode and is tested every 24 hours.
Test procedure: motor is switched off during
E 73
closing cycle, and the door moves towards a
permanently set angle in emergency mode.
The test may be noticeable by a short jerk
on door, this is no cause for concern.
- 1
Temperature management
- 2 Motor is too hot (for example, due to too
high an ambient temperature).
- 3
System responds automatically
- 4
(1 thru 4).
Troubleshooting chart
Display LED Malfunction
Display
Door can be used only
manually or door does not
open automatically after
an opening pulse has
been generated.
Door mounted sensors
Approach side sensor
Swing side sensor
DORMA AUTOMATICES, Inc.
DL3463-050 08/2016
SERVICE MANUAL
Meaning / cause
Check green LED.
If green LED is OFF, there is a
problem with power supply.
Check red LED.
If red LED at power switch flashes,
control unit has detected an error
and emergency mode has been
activated.
Program switch is in "Off" or "Exit
Only" position.
Safety sensor on swing (hinge) side
has emitted a signal and this is
preventing door from opening.
924 Sherwood Drive Toll-Free: 877-367-6211
Lake Bluff, IL 60044 Fax:
Troubleshooting
If test fails permanently, control unit must be replaced.
If test fails permanently, control unit must be replaced.
■ Door closes too rapidly (in less than 3 seconds) when
system is de-energized (disconnected from power supply).
■ Check and, if necessary, reduce closing time (adjust spring
tension).
■ If test fails permanently despite closing time being set
correctly, control unit must be replaced.
Hold-open time is extended.
Driving dynamics in "open" and "closed" direction are reduced.
Driving dynamics in "closed" direction are reduced.
System switches off until unit is cooled down.
Troubleshooting
■ Power switch must be switched on.
■ 115VAC power supply must be
checked and restored if necessary.
■ If 115VAC power supply is on, but no 24
VDC is present, power supply unit must
be replaced.
Troubleshooting instructions can be found
ln information and error messages list, or in
this troubleshooting chart.
Move program switches into "Automatic" or
"Permanently open" position.
■ Sensor's wiring and function must be
checked.
Indication swing side
sensor detection
Flashing dot indicates wall
masking (Parameter Sb) and
is not a fault
Indication approach side
sensor detection
or activating device
Subject to change without notice
847-249-3999
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