Rev. 1
Page 3-
17
E 021
LCD INDICATION Alarm description Effect/Signaling
Possible cause / Check
Proposed solution
DOOR LOCKED
Exceeded the timeout
for the operation of
door locking
mechanism (opening)
At the end of the cycle the
door locking mechanism
exceeds the timeout of 2.5
seconds.
Use the procedure to open the door.
The door opens:
- Check for the free turning of the fork bushes.
- replace the blocked bush - see card Gr6-3.
- Check for the regular mechanism operation.
- Replace the motor pin - see card Gr6-6.
- Replace the motor - see card Gr6-6.
The door does not open:
- Check the 1,25 A fuse
- Replace the fuse - see card Gr1-16.
- Check the pressure switch.
- Disconnect and connect again the pressure switch
wiring.
- Replace the pressure switch- see card Gr1-5.
- Disassemble the motor and unlock the mechanism.
- Check the locking micro-switch.
- Replace micro-switch - see card Gr6-5
Wiring loosen during the operation. Reconnect the wiring.
Failure of the locking black micro-switch.
Replace locking micro-switch - see card Gr6-5.
The fuse 1,25 A burns during the cycle.
Replace the fuse - see card Gr1-16.
A fork bush is blocked.
Replace the bush - see card Gr6-3.
The pressure switch reads a wrong
pressure and impedes the door opening.
Disconnect and connect again the pressure switch wiring.
- Replace the pressure switch - see card Gr1-5.
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