Detcon FP-424C Bedienungsanleitung PDF herunterladen (Seite 14)

Unstable Output/ Sudden Spiking/Nuisance Alarms

. Check condulet for accumulated water.

2. Check transmitter and Terminal PCB for abnormal corrosion.

3. Determine if problem correlates with condensation cycles.

4. Add/change Detcon condensation prevention packet

PN 960-202200-000 (replace annually).

5. Check for unstable power supply.

6. Check for inadequate grounding.

7. If correlates with radio communications then use Detcon RFI filter accessory.

8. Contact Detcon for assistance in optimizing shielding, grounding, and RFI protection.

Transmitter not Responding

1. Verify condulet has no accumulated water or abnormal corrosion.

2. Verify required DC power is applied to correct terminals.

3. Swap with a known-good transmitter to determine if transmitter is faulty.

Bad 4-20 mA output

1. Check that wiring is connected to correct terminal outputs.

2. Swap with a known-good transmitter to determine if transmitter is faulty.

10.0 SPARE PARTS LIST

613-010000-000 Sensor rain shield

613-120000-000 Sensor splash guard

943-000006-132 Threaded Calibration Adapter

612-820000-000 LEL sensor housing assembly (plug-in detector, PN 370-201600-000, not included)

370-201600-000 Sensor: field replaceable plug in detector

500-005065-007 Terminal Connector Board

897-850800-000 NEMA 7 enclosure less cover - 3 port

897-850400-000 NEMA 7 enclosure cover

960-202200-000 Condensation prevention packet (replace annually)

924-525400-100 FP424C Plug-in control circuit

Detcon Model FP-424C Combustible Gas Sensor PG.14

Rain Shield

Calibration Adapter

FP-424C Transmitter Assembly

Sensor Terminal Board

Enclosure Cover

Enclosure

Sensor: field replaceable plug-in detector

LEL Main Sensor Housing Assembly

Condensation

Prevention Packet

(replace annually)

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Detcon FP-424C Bedienungsanleitung Seite 14