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BTS-Ex, non-contacting thermal switch unit
Malfunctions - Remedial Actions, Troubleshooting
11 Malfunctions - Remedial
Actions, Troubleshooting
WARNING
Risk of injury
Please observe, in particular,
Chapter 5 (Safety) when working on the non-
contacting thermal switch unit!
WARNING
Explosion hazard
It is not allowed to modify/change anything on equipment/devices which are
operated in potentially explosive atmospheres.
•
Repairs are not permitted; repair the device.
The following table is intended to help finding the cause of malfunctions or problems
quickly and to take remedial action, if necessary.
Malfunction
Possible cause(s)
Remedial action
See
Green LED off.
No supply voltage is
applied to the evaluator.
Apply supply voltage.
Chapter 6.3
The evaluator is
defective.
Replace the evaluator.
Yellow LED 1
(upper LED)
displays incorrectly.
Incorrect position of DIP
switch.
Check position of DIP
switch.
The initiator poles are
reversed.
Check the initiator
connection.
Chapter 6.3
The distance between
initiator head and
switching element is too
large.
Set the distance to 4 ±
1 mm.
Chapter 6.3
