RKI Instruments Gas Tracer User Manual

Page 185

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Gas Tracer Operator’s Manual

Troubleshooting • 177

• The unit indicates

flow failure and
does not recover
when RESET
SILENCE is
pressed and
released.

• The cotton filter

in the probe or
filter holder is
dirty and
clogged.

• The sample hose

has a kink or
obstruction.

• The hydrophobic

filter disks or wire
mesh disk are
dirty and
clogged.

• The pump is

malfunctioning.

1. Change the cotton filter in the

probe or filter holder.

2. Inspect the sample hose for

kinks or obstructions and
replace if necessary.

3. Inspect the hydrophobic filter

disks and the wire mesh disk
and replace if necessary.

4. Perform a low flow setpoint

adjustment. For instructions,
see “Performing a Low Flow
Setpoint Adjustment” on
page 173.

5. If difficulties continue, contact

RKI Instruments for further
instruction.

• Auto calibration

fails or unable to
set the response
readings during
single calibration.

• The auto

calibration values
may not match
the cylinder gas
concentrations
(auto calibration
only).

• The CO filter is

saturated.

• The sample gas

is not reaching
the sensor
because of a bad
connection.

• The calibration

cylinder may be
out of gas or is
outdated.

• The sensor for

the affected
channel(s) may
need
replacement.

1. Check all calibration tubing for

leaks or for any bad
connections.

2. Make sure the Gas Tracer

has been properly set up for
calibration.

3. Change the CO filter.
4. Verify that the calibration

cylinder contains an adequate
supply of fresh test sample.

5. If the fail condition continues,

replace the sensor(s).

6. If the difficulties continue,

contact RKI Instruments, Inc.
for further instruction.

Table 8: Troubleshooting the Gas Tracer

Symptoms

Probable

Causes

Recommended Action

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