Fault Diagnosis DAC Professional
Fault 12: Door locking
FAULT 12: Door locking
Triggered by:
•
The door locking contact DIN5 is not switched after time period z31 (Door closed when no power supply,
contact DIN5 still open).
Causes / Remedy:
Operating fault / Check by operating personnel :
•
Locking bolt sticking or out of alignment
Appliance fault / repair by technical service personnel:
•
Control for door locking output ACOUT 10
on CPU-board is faulty (permanent voltage)
•
Contact switch on door lock is faulty
•
Locking bolt cannot move freely / is blocked
Adjusting the door lock
•
Dismantle door cladding, close door
•
Loosen fixing screws on the door lock
•
By shifting the door lock centralise the face of the
locking bolt in the depression as shown, with a
spacing of approx. 2 mm
•
Tighten fixing screws on the door lock
Door lock will not disengage
The Display permanently shows "Please wait - Door unlocking" after switching power on or after a program has
ended (no explicit malfunction reported ):
•
Control "Door locking" Output ACOUT 10 on CPU-board is faulty
•
Drive for the door locking is faulty
•
Door contact switch of the door lock is faulty
•
Locking bolt cannot move freely / is blocked
In the Diagnosis Program switch on output ACOUT10, functional control power output and locking
Unlock door manually (for example with the help of a screwdriver).
ca.2mm
09/21/2006
27/61
Servicemanual DAC Professional
Summary of Contents for DAC PROFESSIONAL
Page 1: ...b a PROFESSIONAL p j...
Page 7: ...Figure 4 Back view 09 21 2006 5 61 Servicemanual DAC Professional...
Page 56: ...Sirona DAC Professional Process 09 21 2006 54 61 Servicemanual DAC Professional...
Page 60: ...Valve diagram 09 21 2006 58 61 Servicemanual DAC Professional...
Page 64: ......
