11
Signet 8250-2 Level Transmitter
10. Troubleshooting
Display Condition
Possible Causes
Suggested Solutions
Value must be 6400 or less
Time delay cannot be greater than 6400 s.
Set time delay to 6400 s or less.
Value must be more than zero
Speci
fi
c gravity value set to 0.0000
Set speci
fi
c gravity to a value greater than 0.
Must have more than 1 point
Must have 10 or less points
Custom Shape requires from 3 to 10
custom points.
Enter 3 to 10 custom points.
Must be > than previous point
A custom point has been entered that is not
greater than the previous point.
(Custom points must be in ascending
order.)
Reset the custom point to a value greater
than the preceding point.
CustomTable Error
Number of custom points increased without
setting new values so all custom points are
not sequential.
Review all custom points and reset values
so each point is greater than the preceding
point.
CHK SENSOR
Problem with the sensor during different
modes of operation:
1. Wiring problem:
• AUXILIARY POWER was not
connected when LOOP power started.
• The sensor is not connected properly.
• The sensor cable is detached.
2. The sensor has not been con
fi
gured.
3. The sensor is defective.
1. Start AUX power, then LOOP power.
2. Check sensor wiring.
3. Perform SENSOR CONFIGURATION in
CALIBRATE menu.
4. Replace the sensor, then perform
SENSOR CONFIGURATION.
Too Much Error
Check Sensor
0 SENR(S) FOUND: SAVE ?
No Relay Module Found
• External Relay Module wiring is loose.
• Relay module has been disconnected.
• Relay module has been replaced.
• Relay module is defective.
1. Check wiring
2. Reset SENSOR CONFIGURATION
3. Replace External Relay Module.
•
External Relays require the optional External Relay Module (model number 3-8059-4 or 3-8059-4AC).
•
Note: When using the 8059-4 or -4AC, only relays 1 and 2 can be utilized with the fl ow instrument.