Prerequisite
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Remove the cover (see chapter “Cover disassembly/reassembly”).
Ferrite disassembly
The special key is fastened with the ferrite.
1 Special key 3 Bottom part of the ferrite
2 Top part of the ferrite
Ferrite reassembly
4 to 5 turns of the cable are stretched to surround the ferrite and make a complete turn.
1 Top part of the ferrite 5 Control panel connector
2 Bottom part of the ferrite A 1 turn
3 Supervisor board connector B 4 to 5 turns
4 Ferrite
Service - Maintenance
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