11
Troubleshooting
Problem Responds to reference leak
on
LARGE
setting.
Cause
HEATER
ADJUSTMENT
set too
high.
Solution Readjust heater (see section
Sensor Heater Adjustment).
**
Solution number corresponds to
Cause number
**
Problem No
response to
CALIBRATION
REFERENCE
bottle.
Cause
1
HEATER
ADJUSTMENT
set too
low or bottle is empty.
2
No air flow (indicator ball in
probe doesn’t float).
3
Sensor exposed to exces-
sive amounts of halogen gas.
4
Water in probe.
Solution
1
Readjust heater (see Sensor
Heater Adjustment) or
replace bottle (3015-0864).
2
Replace filter in probe tip
(3015-0784). Check pump
operation.
3
Move probe to clean atmo-
sphere for several minutes
while sensor purges itself.
Test reference bottle for cor-
rect operation.
4
Turn unit
OFF
and discon-
nect probe from the chassis.
Remove screws and take out
chassis. Look at the under-
side of the leak detector and
follow the probe to the pump.
Remove this hose from the
pump. Blow clean air (5 psi)
into the probe tip for one or
two minutes. Reassemble
unit and replace the filter
