DONG SUNG SENSORS DC Series Manual - Page 14

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DONG SUNG SENSORS DC Series Manual

9. Maintenance

1. SELF-DIAGNOSIS
1) Please check DC sensor's contact output.
2) See if the float is leaking. (shake the float)
3) If contact output is unstable, check resistance value
at each point.
4) Check the controller power.
2. CHECKLIST BEFORE A/S
1) See if all stoppers are on its position.
2) Keep the float clean. (soft up/down movements)
3) Check the power (DC 15V ~ 32V)
4) Check the wire connection.
5) If current rapidly increases when reed switch is broken
partially, then you need A/S.
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