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Section 6 Troubleshooting
6.1 Troubleshooting table
Use Table 15 for help with problems that may occur with the system.
Table 15 Troubleshooting table
Problem Possible causes Solution
Communication failure
Incorrect wiring
Examine the system for loose or incorrect
connections
Unit not configured
Configure the counter using the setup utility
program
Intermittent connection problem
Use the CRTS (communication reliable test
software) to find the problem if using the
FXB communication protocol
Flow failure
Cap placed on inlet probe during wash down
not removed.
Remove cap from probe
Kink in tubing
Examine both sample and vacuum tubing
for bends that may restrict the air flow
Leak in vacuum line
Examine the vacuum line and fittings for
leaks in the system
Vacuum pump failure Repair the vacuum pump
High count alarm
High counts in room
Troubleshoot the process to determine the
source of the counts
Probe placed near source of contamination Reposition probe
Potential sensor contamination
1 Use a portable counter to confirm the
counts from the remote counter.
2 If the count is similar, the problem is
with the process and not the counter. If
the count is lower, use a zero count
filter to clean the internal components.
3 If the count is still high, send the
counter to a service center for repair.
Sensor failure Contamination
Purge the counter using the zero count filter
(section 5.2.3 on page 44)
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