94 MCS100FT · Operating Instructions · 8011893 V2-1 · © SICK AG
Clearing Malfunctions
Subject to change without notice
8.1 Fuses
Fig. 14 Fuses, system cabinet
8.2 Faults on the monitor
It is possible that the fuses of your MCS100FT have a different assignment.
Refer to the delivered System Documentation for fuse assignment.
Control fuse
Interferometer/
cabinet fan
HC8X heater controller
Cooling unit
(option)
Cabinet light
Low voltage sup-
ply, control unit
of heater control-
ler
Error Possible cause Remarks
1
1
If fault persists: Contact SICK Customer Service.
Monitor is blank.
- “POWER” LED not on. No supply voltage. Check voltage supply (power supply
unit) and supply lines.
- “POWER” LED on Monitor is defective. SCU itself is ready for operation.
Monitor illuminates.
“POWER” LED not on.
Program not running. Switch the voltage supply (power
supply unit) off and on.
Touch operation not possible Monitor is dirty. Clean monitor with a damp cloth and,
when necessary, with a detergent.
Incorrect touch calibration Reset from SOPAS ET (
“SCU Tech-
nical Information“ manual)
Monitor too bright or too dark Monitor defective Setting is not possible.
Please contact SICK Customer Ser-
vice.
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