DONG SUNG SENSORS DC Series Handmatig - Pagina 14

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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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