Bacharach Hi Flow Sampler Manuel Du Propriétaire
Troubleshooting
Hi Flow Sampler
Instruction 0055-9017
62
TABLE 6-1. TROUBLESHOOTING GUIDE (Cont.)
Instrument won’t respond when a control
unit key is pressed.
unit key is pressed.
Microprocessor needs reset. Disconnect
battery pack for several seconds.
battery pack for several seconds.
Low flow rate reading with fully charged
battery.
battery.
Flow path obstructed. Check flow path and
verify flow rate per Section 5.7.
verify flow rate per Section 5.7.
Slow response time.
Internal filters are dirty. Replace filters per
Section 5.2.
Battery power does not last at least
4.5 hours.
4.5 hours.
Battery pack defective. Replace.
Erratic gas readings.
a. The entire gas leak is not being captured.
Use the proper attachment to capture leak.
b. Faulty sensor(s). Calibrate both CH
b. Faulty sensor(s). Calibrate both CH
4
sensors per Section 4. Replace any sensor
that fails to calibrate.
that fails to calibrate.
Sensor does not calibrate properly.
a. Wrong calibration gas or insufficient flow
being applied to sensor. Ensure that the
being applied to sensor. Ensure that the
calibration setup is correct.
b. Depleted sensor. Replace sensor and
recalibrate.
recalibrate.
“Calibration Failed” message appears at
bottom of display.
bottom of display.
Calibration parameters not within
programmed limits due to either insufficient
programmed limits due to either insufficient
calibration gas flow, or new calibration value
was greater than 50% of the old value. Check
calibration setup and re-perform the
was greater than 50% of the old value. Check
calibration setup and re-perform the
calibration procedure. Replace sensor if
necessary.
necessary.
“Memory Full” message appears at bottom
of display.
1000 test records have already been stored in
memory. Save all test records per Section
3.15.1 and/or erase memory per Section
3.15.3.
3.15.1 and/or erase memory per Section
3.15.3.
“No Records Saved” message appears at
bottom of display.
A send records command was given with no
records stored in memory.
“Check Background Pump” message
appears at bottom of display.
appears at bottom of display.
Flow to the background-gas pump has been
severely reduced. Check that the background
hose is not kinked or blocked, or the internal
severely reduced. Check that the background
hose is not kinked or blocked, or the internal
tubing has not become blocked (see Figure
5-10). Also check the condition of
background-gas sensor filter, replace as
5-10). Also check the condition of
background-gas sensor filter, replace as
necessary per Section 5.4.3.
“Check Leak Pump” message appears at
bottom of display.
bottom of display.
Flow to the leak-gas pump has been severely
reduced. Check that the internal tubing has
reduced. Check that the internal tubing has
not become blocked (see Figure 5-10). Also
check the condition of leak-gas sensor filter,
replace as necessary per Section 5.4.2.
check the condition of leak-gas sensor filter,
replace as necessary per Section 5.4.2.
“Check Background Calibration” message
appears at bottom of display.
The background-gas sensor needs calibrated
per Section 4.
“Check Leak Calibration” message appears
at bottom of display.
at bottom of display.
The leak-gas sensor needs calibrated per
Section 4.
Section 4.