User's Manual

Table Of Contents
Page 92 IQ Radar 300 PL-611
Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Symptom Cause Action
Reads correctly but
occasionally reads
high when vessel is
not full
detecting close range echo
build up near top of tank or
nozzle
water or other high ε
r
material in antenna threads
wrong antenna choice for
application
stand pipe problem
increase blanking
increase confidence
threshold P804
rod extensions may be
required
See Application Example:
Stillpipe on page 53
material is within near
blanking zone
tank near empty and low ε
r
material
multiple echoes processed
decrease blanking P800 (min.
0.4 m)
raise IQ 300
decrease range extension
install still pipe deflector
(contact Milltronics)
set P820 to 6
Standpipe too narrow for
length
See Rod Extension
Requirements on page 26
Level reading lower
than material level
Internal seam in standpipe Inspect and remove seam
Maintenance
The IQ Radar 300 requires no maintenance or cleaning under normal operating
conditions.
Note: Under severe operating conditions, the antenna may require periodic cleaning.