Maintenance
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89217391 Rev. A
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11.4.4 Check of the circuit breaker
Fig. 41: Circuit breaker (example)
The circuit breaker is mounted on a DIN rail (top hat type) in the electrical box.
Check the circuit breaker as follows:
1.
Push a pointed object (e.g. a screwdriver) into the opening 'TEST' (1) and
push to the left (2).
The circuit breaker trips. If it operates correctly, it must stop between I and O.
2.
Set the circuit breaker back to position I.
If the circuit breaker does not trip as described, it must be replaced. See the
chapter "Troubleshooting/Circuit breaker replacement".
Fig. 42: Circuit breaker (example)
The circuit breaker is mounted on a DIN rail (top hat type) in the electrical box.
Check the circuit breaker as follows:
1.
Push a pointed object (e.g. a screwdriver) to the 'TEST' button and push (1).
The circuit breaker trips. If it operates correctly, it must stop between
On and Off.
2.
Set the circuit breaker back to position On.
If the circuit breaker does not trip as described, it must be replaced. See the
chapter "Troubleshooting/Circuit breaker replacement".
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