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PSA: A faulty door zone sensor on a 90s Dover hydraulic had me stumped for a full shift.

The fault code was intermittent and the manual's diagnostic tree was wrong, leading me to check everything else first. Anyone have a good trick for testing those old Z-10 boards without just swapping parts?
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2 Comments
garcia.logan
Ever get that feeling the manual is just messing with you?
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avery_fox93
avery_fox9320d agoMost Upvoted
Feel like they wrote it in a different language on purpose.
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