8-8
SYMPTOM:
Fail Linearity Test
POSSIBLE CAUSE: Probe assignment incorrect.
ACTION: Make correct assignment.
SECTION: 4.0
POSSIBLE CAUSE: Damaged or old membrane.
ACTION: Replace membrane.
SECTION: 2.4
POSSIBLE CAUSE: Contaminated or old calibration or linearity standard.
ACTION: Repeat test with new standards.
SECTION: 3.4
POSSIBLE CAUSE: Assigned concentration range beyond practical limits.
ACTION: Redefine measurement parameters. Remake standards.
SECTION: 4.3
SYMPTOM:
Keypad Disabled
POSSIBLE CAUSE: Instrument in Remote Control Mode.
ACTION: Switch communications mode or reset.
SECTION: 9.3
POSSIBLE CAUSE: Faulty keypad or cable.
ACTION: Check keypad in I/O diagnostics.
SECTION: 5.4
SYMPTOM:
Printer Does Not Advance
POSSIBLE CAUSE: Paper or roll jammed.
ACTION: Open paper well and clear obstruction. Reset instrument
if necessary. If printer still does not advance, turn instrument off
for 30 seconds, then back on.
SECTION: ---
SYMPTOM:
Sipper Does Not Enter Chamber
POSSIBLE CAUSE: Sipper misaligned.
ACTION: Check alignment.
SECTION: 2.6
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