SecoGear – Installation, Operation and Maintenance Manual 54 of 56
For help with the following removal and replacement
operations, refer to Publication#DEH-50001 SecoVac
Vacuum Circuit Breaker Installation Manual
• Closing mechanism
• Vacuum bottles
• Counter
• Spring charge indication switch
• Shutter mechanism
Circuit Breaker Spare Parts
For spare part details, please refer to Publication#DEH-50001
SecoVac Vacuum Circuit Breaker Installation Manual.
Circuit Breaker Troubleshooting
10. Repair And Replacement
Table 10-1: Diagnosis and Troubleshooting for Malfunctioning During Operations
MALFUNCTION
POSSIBLE CAUSE
SOLUTION
The circuit breaker cannot be racked into
connected position from test position
The racking handles on the circuit breaker are not in position
Adjust the frame and handles
The circuit breaker is closed
Open the circuit breaker
Shutter is not completely open
Visually check shutter drive mechanism
Secondary plug is disconnected
Insert the secondary plug
The circuit breaker cannot be racked out
to test position from connected position
The circuit breaker is closed
Open the circuit breaker
The circuit breaker cannot be closed
The secondary plug is not inserted
Insert and lock secondary plug
No control power supply
Turn on control power supply
The circuit breaker is not fully in test/connected position
Rack circuit breaker to test or connected position
The closing spring has not been charged
Charge the closing spring
The circuit breaker cannot be opened
No control power supply
Turn on control power supply
Opening coil not working
Check power supply for opening release
