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2.
With the main electrical cabinet switch still switched on, unlock the electrical cabinet door by using
the service key.
3.
When the electrical cabinet door is unlocked, the safety-interlock main switch prevents the door
from being opened.
WARNING!
Risk of electric shock. The internal components inside electrical cabinet operate at
hazardous voltages. Do not touch any internal component, except for the RCCB's test button.
4.
While switched on, open the electrical cabinet door using a narrow pin or a thin screwdriver to
release the interlock-bypass, then pull the handle to open it.
Check the station's Residual Current Circuit Breakers
85
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Troubleshooting
