ADS Environmental Services Model 4000 530017 A0 - Manual (Page 87)

5-1
C H A P T E R 5
Maintenance and
Troubleshooting
While the ADS Model 4000  flow monitor and sensors are
designed for dependability and durability, all electronic devices are
vulnerable to wear, malfunction, or failure, particularly in a harsh
sewer environment. However, many system problems can be
avoided altogether by performing routine maintenance and
inspections. The design of the monitor enables the user to perform
general diagnostics and troubleshooting to prevent, isolate, and
correct many problems easily. These serve to minimize
unnecessary monitor downtime and data loss.
This chapter provides routine maintenance instructions as well as
general diagnostic and troubleshooting guidelines for isolating and
correcting monitoring system problems.
Warning: Remove the monitor from the manhole before
replacing the battery pack or performing service activities
which may involve disconnecting cables from the monitor.
In addition, disconnect telephone service at the network
interface box before disconnecting cables from the
monitor lid and disconnect the battery inside the monitor
before replacing boards or cables inside the monitor.
These activities help prevent possible shock or injury to
personnel as well as damage to the equipment during
service visits at the monitor location.