Reference Manual
00809-0100-4731, Rev FA
April 2003
4-6
APEX
™
and APEX Sentry
™
Radar Gauge
Empty tank
or
DSP Warning #7
or
Warning: Empty Tank
or
Empty Tank
mode Active
Process Condition: Target has moved into the
empty tank detection zone, and the signal has
been lost.
Is the tank empty? If so, the gauge is operating
correctly; if not, reconfigure the empty tank
detection zone (see page 3-6).
User Alg Param invalid
or
USR ALG PAR OUT OF RNG
or
DSP Warning #25
Configuration Warning: User entered
parameter does not fit within suggested
guidelines.
Verify 4–20 mA settings, null zone configurations,
Reference Gauge Height, empty tank detection
zone, etc.
If error persists, call Rosemount Customer
Central for further guidance.
VCO Cal Failure #X
or
DSP Error #16, 17, 22, or 31
Electronics Failure Note failure number (#), and call Rosemount
Customer Central. The unit will most likely need
to be sent in for repair.
VCO Calibration Retry
or
DSP Warning #18
Internal Software Warning: This message will
either go away in several seconds to be
replaced by another or the unit will fail.
Cycle power; if the message does not disappear
within 30 seconds, the unit has failed; call
Rosemount Customer Central to arrange for
repair.
volumeInputError The level from which the volume would be
computed is beyond the physical dimensions
of the tank (one or more of the following):
The level is less than zero.
For a sphere or horizontal tank, the level is
greater than twice the radius.
For an upright tank, the level is greater than
the height of the tank.
If a strapping table is being used, an invalid
number of strapping points has been defined
(fewer than 2 or more than 10).
If no strapping table is being used, verify that the
tank type, height, and width have been entered
correctly.
If a strapping table is being used, verify
the following:
Tank type = strapping table.
Number of strapping table entries ≥ 2 and ≤ 10).
All strapping entries are in ascending order.
Any level to be measured is within the range of
the strapping table entries.
DSP EEPROM failure
or
DSP Error #14
Electronics Failure If error does not clear after power is cycled, call
Rosemount Customer Central for further
troubleshooting. The gauge may require service
in the field.
DSP Error #3
or
DSP Error #4
Hardware Failure Cycle power; if the error does not clear, the
gauge will need to be sent in for repair.
VCO Cal Failure #27 or 28
or
DSP Error #27 or 28
Electronics Failure Cycle power; if the message does not clear within
three minutes, the gauge will need to be returned
or serviced in the field.
VCO Cal Failure #18 or 19
or
DSP Error #18 or 19
Electronics Failure Cycle power; if the error is followed by other
errors, follow instructions listed for those errors. If
the error does not clear in five minutes, it will
need to be returned to the factory for repair.
DSP Error #9 or 10 Electronics Failure Cycle power; if error does not clear in a few
minutes, the gauge will need to be repaired.
DSP Warning #19 Software Error Cycle power; if error does not clear, call
Rosemount Customer Central
Table 4-1. Alarm and Diagnostic Messages
Displayed Message Cause Action
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