Chapter 4
Troubleshooting
Focus 30/35 Service Manual 4 - 20 P/N 79000035_SM, Version 1.5
Instrument selftest, System Monitor & onboard Diagnostics
The instrument contains different systems to track the instrument status after switching on in
combination with a System monitoring and onboard Diagnostics.
• Instrument selftest during start-up routine
• System Monitor & onboard Diagnostics
Instrument selftest during start-up routine
After switching on the instrument, the Instrument manager IM starts a selftest procedure to check the
initialization of all sensors. Every sensor has 20 seconds time to respond to the IM with status
information or test results. In case of no response of the single sensor the IM shows on Display F2
Subsystem error: Sensor name.
Performance
System Monitor & onboard Diagnostics
After successful start up, the instrument will be observed by the System Monitor. The tracked status
Item Sensor selftest Description Messages in failure case
Sequence of the start
up routine:
1 EDM Performs a internal
measurement.
Subsystem error: DistV3
EDM selftest failed!
Distance sensor communication timeout!
Distance measurement timeout!
2 Servo focus Performs a light barrier
and step test.
Subsystem error: SF
Servofocus Adjust failed!
3 Angle measurement Get values from
diametrical sensors.
Subsystem error: Angle H
Subsystem error: Angle V
H/VAngle sensor measurement failed!
H/VAngle sensor timeout!
4 Tilt measurement Get values from sensor Subsystem error: Tilt
Tilt measurement timeout!
5 Drive Fine drive runs between
the light barriers.
Subsystem error: Drive
Drive settings different in H and V!
6 Knobs, F2 Display,
Tracker
Check communication
and register to IM
Subsystem error:Knobs
Subsystem error:F2Display
Subsystem error:Tracker
Finishing the startup
routine
Status Ok for all sensors If all sensors have status Ok, the System
Montor is activ and watches the sensors
during the customer application is
running.
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