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June 4, 2021 Service bulletin

The door alarm comes on when the air is released on the main door valve

Nova Bus technical service bulletin bs5117 for 2018-2020 Nova Bus LFS.

Bulletin number
bs5117
Component
Electrical system
Summary
The door alarm comes on when the air is released on the main door valve. The alarm does not reset/turn off even when the air is applied again.

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