Instruction manual

7532 Radar Tank Gauge
Varec, Inc. 79
Table 10-1: System Error Messages
A270 Custody switch
undefined, check
position
Switch for custody transfer may be defective Check position of custody switch/
exchange electronics
# mm - accuracy not ensured Inconsistency between phase and amplitude
evaluation
• Inconsistent micro factor
• Inconsistent index mapping
Check basic calibration check mounting
calibration check echo quality
> 10 dB history reset
A272 Electronics defect
Amplifier
Inconsistency in amplification Exchange electronics
W275 Electronics defect
Factory setting
Offset drift of A/D commuter Exchange electronics
W511 No factory calibration ch1 Factory calibration has been deleted Record new factory calibration
A512 Recording of mapping, please
wait
Mapping active Wait some seconds until alarm disappears
W601 Linearization ch1 curve not
monotone
Linearization not monotonously, increasing Correct linearization table
W611 Less than 2
linearization points for channel 1
Number of entered linearization points < 2 Correct linearization table
W621 Simulation ch. 1 on Simulation mode is active Switch off simulation mode
E641 Check calibr Echo lost due to application conditions of built up
on antenna
Antenna defect
Check installation
• Optimize orientation of antenna
• Clean antenna (cf. OM)
E651 Risk of overspill Level in safety distance Alarm will disappear as soon as level
leaves safety distance
A671 Linearization ch1 not complete,
not usable
Linearization table is in edit mode Activate linearization table
W681 Current ch1 out of range Current out of range 3,8 mA to 20.5 mA Check calibration and
linearization
Code Description Possible cause Remedy