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Sample sequencer, Troubleshooting guide – SentrySafe SPD 5.5.5 User Manual

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Sample Sequencer

Troubleshooting

Troubleshooting Guide

Symptom

Possible Problem(s)

Remedy

Sample Sequencer times
out and goes into off.















Only ANALOG mA can be
displayed

Mode selection

System Alarm








Wiring

Timing

Analyzer

Calibrate Mode

1. Verify the DIP switch 3 on SW1 of I/O board

is set properly.

1. Is the analyzer alarm light on the Sequencer

on? If so, an analyzer system alarm
occurred on eight consecutive sample
points. Check your analyzer. Also verify
wiring to Sequencer is correct. See I/O
board connections and alarm connections.

Note: The system alarm terminals on

sequencer are not for low or high alarms
from analyzer.

1. Verify the analyzer end-of-batch signal is

properly wired to I/O board.

1. Increase the cycle time setting to allow more

time for analyzer to complete batch.

1. Verify analyzer is correctly configured to

output end-of-batch signal.

1. Check DIP switch 3 on SW1 of I/O can

board. It should normally be Off.

Sequencer doesn't
recognize end-of-batch
signal from analyzer

Mode Setting

Wiring Analyzer

1. Verify DIP switch 4 on SW1 of I/O board is

ON for batch mode operation.

1. Verify wiring to I/O board is correct.
2. Verify analyzer is configured to output end-

of-batch signal.









SENTRY

Equipment Corp • P. O. Box 127 • Oconomowoc, WI 53066 • 262/567-7256 • FAX: 262/567-4523

Web: www.sentry-equip.com • e-mail: [email protected]

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