30 Sentry Equipment Corp
Troubleshooting Guide
Symptom Possible Problem(s) Remedy
Incorrect analyzer
value
Scale
Calibration
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.
Sequencer doesn’t
recognize end-of-
batch signal from
analyzer
Mode
Wiring
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.
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