Dorma RST - Troubleshooting

RST
DORMA
30
If a malfunction occurs during the commissioning or the operation of the door system, please check the following points:
In case the above-mentioned points did not help to remove the malfunction, please consider the following table.
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Power supply available?
Mains switch in ON position?
Emergency pushbutton unlatched?
Program switch properly adjusted?
Operation mode properly adjusted for control unit type “B”?
Is the slide channel clean?
Is the door blocked by obstructions?
Do the door leaves/hinges run/move smoothly?
Fuse OK?
Are all external activators, program switches and locking devices properly connected?
Cam checked for proper functioning and correct position?
Cables thoroughly connected?
Malfunctions Possible reason Remedy
The door does not respond to an
opening pulse nor opens when
the program switch is adjusted
to PERMANENT OPEN.
Defective internal or external
activator.
Disconnect and bridge the input terminals for the
activators. In case the door opens, check and replace
the activator if required.
Program switch defective or
improperly connected.
Check and replace program switch if required.
The input terminals for the safety
sensor on the hinge side have not
been bridged.
Bridge the input terminals.
The input terminals for the latch
bolt limit switch have not been
bridged.
Bridge the input terminals.
The presence sensor has either
been adjusted too sensitively or is
defective.
Readjust the presence sensor and replace it if required.
Limit switch "door open" has been
improperly adjusted or is
defective.
Check “door open” limit switch, readjust cam, replace
limit switch if required.
Limit switch "wall blanking" has
been improperly adjusted or is
defective.
Check “wall blanking” limit switch, readjust cam,
replace limit switch if required.
Defective control unit. Replace control unit.
The door does not respond to an
opening pulse nor opens when
the program switch is adjusted
to PERMANENT OPEN,
although the drive unit is in
operation.
The solenoid valve has not been
connected. Too much current is
taken from the connection
terminals of the solenoid valves.
Defective solenoid valve.
Defective control unit.
Disconnect the solenoid valve and trigger an opening
pulse by setting the program switch to PERMANENT
OPEN. Measure power supply (24 V DC) at connection
terminals of solenoid valve. In case there is a voltage,
too much power (max. 150 mA) is taken from the
solenoid valve. The solenoid valve is defective and the
drive unit has to be replaced. In case there is no
voltage, the control unit is defective and has to be
replaced.
The door does not close when
the program switch is adjusted
to OFF.
The presence sensor has either
been adjusted too sensitively or is
defective.
The solenoid valve is defective or
does not switch off.
Readjust the presence sensor and replace it if required.
Disconnect the solenoid valve and measure the power
supply at the connection terminals. In case there is no
voltage and the door does not close properly, the
solenoid valve is damaged and the drive unit has to be
replaced. In case there is voltage, the control unit is
defective and has to be replaced.
The door does not close when
the program switch is adjusted
to AUTOMATIC and EXIT ONLY.
The internal or external detector
permanently triggers an opening
signal. The presence sensor has
either been adjusted too
sensitively or is defective.
Disconnect the input terminals for the activators. In
case the door closes now, check and replace the
activator if required. Readjust the presence sensor and
replace it if required.
4. Troubleshooting