KaVo ORTHOPANTOMOGRAPH OP 3D Pro, Service Manual, Page: 130 / 192

7 Error codes and troubleshooting
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3. Download the logs using command xdl.
After download the GUI logs are located in a zip package
named logs.zip in the s2terminal folder.
7.4 Error code descriptions
7.4.1 Error 4 Rotator home position was not
found
CAUSE A
Belt(s) slipping. The rotator is not rotating properly.
SOLUTION A
Clean belt(s) and pulleys and adjust belt tension.
CAUSE B
The home position is not detected by the rotator op-
tos.
SOLUTION B
Use the s2terminal service program “systemstatus”
to check whether the home opto signal is reaching
the main CPU. The home position of the rotator is
the tubehead pointing away from the pillar. If the
signal state is not changing when the opto switch is
activated/deactivated, one of the following is faulty:
JB101 Opto Board, R3300 IO board or cable
204816. Locate the faulty component using a mul-
timeter and replace/repair faulty parts.