26
Indication Possible fault Corrective user interventions in defi ned order
G not lit
Y not lit
No power.
Faulty power supply unit.
Faulty control board.
1. Check the mains.
2. Disconnect 10 pin connector from the control
board.
3. Measure the voltage of the power supply (7 pin
connector, pins 1 and 3). If voltage is under 24VDC,
change the power supply unit.
4. Measure the voltage from 10 pin connector (pins
9 and 10). If voltage is not 24VDC, change the
control board.
G lit
Y lit
The door ”close” and ”open” positions
are not successfully taught.
Impulse device is active all the time.
Fire Detector is active.
1. Teach the door open and close positions.
2. Check all impulse devices and connections.
3. Check fi re detector connection and fi re N.C. jumper.
G fl ash
Y fl ash
Internal fault in the control board.
Door motion is stopped.
1. Switch main off for 10 seconds.
2. Check that all applicable jumpers are in place (one
of two arms is selected, one door size is selected,
”single” is selected).
3. Teach the door open and close positions.
4. Change the control board
G fl ash
Y fl ash
alternates
Internal fault in the position sensor
board.
Door motion is stopped.
1. Switch main off for 10 seconds.
2. Check that all applicable jumpers are in place (one
of two arms is selected, one door size is selected,
”single” is selected).
3. Check position sensors cable and connector.
4. Teach the door open and close positions.
5. Change the position sensor.
13 SELF DIAGNOSTICS (CONTROL UNIT)
Fault codes
- detect malfunctions
- to ensure safe operation where possible during malfunction
- to restore the operator to its required status
If the door operator is unrecoverable it will revert to manual operation only.
Both LED’s will blink.
Control units LED’s
TEACH CLOSED
TEACH OPEN
POWER ON
TEACH
Yellow led = Y
Green led = G
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