805-501A-111 Datasheet, PDF (22/36 Pages) Magnetrol International, Inc. – KOTRON® MODEL 805 SMART RF LEVEL TRANSMITTER

3.3.3 Troubleshooting Flowchart (LCD version)
Start
HART
Unit Equipped
with Display?
No
Communications
OK?
Yes
Yes
Active
No
HART
Display has
Text?
Check Voltage at
No
Terminal Board
3
No Voltage?
Yes
Check Power
Supply and Wiring
No
Yes
Negative
Voltage?
Yes
Reverse Wiring
No
Voltage Above
Yes
36 Volts?
Call Factory
No
Voltage
Faint Display?
Yes
< 11V IS or
16V XP?
Check Loop
Yes Current at terminal
Board
Some problems could be
temporarily solved by power
cycling the unit. Please call
factory if this problem persists.
No
Good
Display
No
Failure to Operate
with Correct Loop
Inputs
2
1
Yes
Correct Loop
Resistance
Loop Current
Above 23 mA?
Yes
Remove Electronic
Module
Loop Current
Above 1 mA?
No
Loop
Resistance
Wrong?
No
Yes
No
Replace Electronic
No
Module
Replace Terminal
Board
Reseat Boards.
Check Power
Supply and Wiring
Display
Working?
Yes
Retest
19
50-660 Kotron Model 805 Smart RF Level Transmitter