Teledyne 3160 Operating Instructions Manual page 57

Symptom Symptom
Symptom Symptom Symptom
Will not switch modes. Will not switch modes.
Will not switch modes. Will not switch modes. Will not switch modes.
Sensor output does not drop Sensor output does not drop Sensor output does not drop Sensor output does not drop Sensor output does not drop
to a stable, low value during to a stable, low value during to a stable, low value during
to a stable, low value during to a stable, low value during
zeroing or spanning. zeroing or spanning. zeroing or spanning. zeroing or spanning. zeroing or spanning.
Unit will not turn on although Unit will not turn on although Unit will not turn on although Unit will not turn on although Unit will not turn on although
it is plugged in and the it is plugged in and the it is plugged in and the it is plugged in and the it is plugged in and the
Power Switch is ON (at "I" Power Switch is ON (at "I"
Power Switch is ON (at "I" Power Switch is ON (at "I" Power Switch is ON (at "I"
position). position). position).
position). position).
Maintenance & T T T T T r r r r r oub Maintenance & Maintenance &
Maintenance & Maintenance &
Cause Cause
Cause Cause Cause
Back panel vent is blocked.
See a) above.
a) Sensor has been exposed
to high concentrations of O
for an extended time period.
b) Bad sensor.
c) Leak in system.
Fuse is blown.
TELEDYNE ANALYTICAL INSTRUMENTS
oub oub leshooting 5 leshooting 5
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Correction Correction
Correction Correction Correction
c) Make sure metering valve
(flow set knob on front
panel) is sufficiently open.
Clear and check connection to
back panel vent.
See a) above.
a) Replace sensor and/or
wait for stable reading.
2
b) Replace sensor.
c) Check sensor block clamp.
Make sure the sensor block
is tightly closed. Check the
gas supply tank, line and
connections for leaks.
Check fuse(s) in back panel
fuse block assembly located
above the power cord recep-
tacle.
and/or and/or and/or and/or
5-3