Troubleshooting Guide - Sentry Sample Sequencer 6 Installation, Operation & Maintenance Manual

Troubleshooting Guide

Symptom
Incorrect analyzer
value
Sequencer doesn't
recognize end-of-
batch signal from
analyzer
30
Possible Problem(s)
Scale
Calibration
Mode
Wiring
Remedy
1. Verify the scaled output of the analyzer matches the
scaled input of the sequencer. Does the problem persist?
YES: Proceed to step 2.
2. Perform an analog input calibration. Does the problem
persist?
YES: Proceed to step 3.
3. There could be noise on the ground. Remove shield
(drain) wires from sequencer as referenced in section "I/O
Cables" on page 16. Does the problem persist?
YES: Contact Service Department.
1. Verify the sequencer is in Batch mode. (See "Mode" on
page 26.) Correct Mode?
NO: Change to Batch mode.
YES: Proceed to step 2.
2. Verify an end-of-batch indication is correctly wired
between the analyzer and sequencer. Does the problem
persist?
YES: Contact Service Department.
Sentry Equipment Corp