PIT gb
Operating Manual PIT gb
1004627-EN-02
16
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Always test the function with a connected evaluation device.
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Check the function of the E-STOP.
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Check the function of the other control elements.
Troubleshooting
Error
Cause
Description/measure
LED off
0 V voltage supply not
present and/or no signal
at corresponding input
Check the wiring of the inputs
and outputs and rectify wiring
errors
No output signal with control
element operation
24 V voltage supply not
present
Check the wiring of the inputs
and outputs and rectify wiring
errors
Control element damaged
External force
Exchange defective control ele-
ment
Function of the unit impaired
Connection cable dam-
aged
Check connection cable and ex-
change if necessary
Regular checks
Monthly check
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Perform a manual
function test [
15]
of the PIT gb every month.
INFORMATION
This inspection may only be carried out by qualified personnel.
Check after modifications
Check the PIT gb each time the plant/machine is modified. Changing the PIT gb or swap-
ping PIT gb components should also be regarded as a modification.
You
must
comply with the requirements of the applicable national regulations.
Repair and maintenance
Cleaning
Clean the unit every month with a soft cloth and a mild cleaning agent.
Exchange of control elements
Prerequisites
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The plant that is controlled by the PIT gb is not in operation and cannot be restarted
without an equivalent safety device.
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The new control element has the same design as the defective control element.
