Flowserve LRGT16-1 Spector compact Conductivity Transmitter System - Manual (Page 15)

Troubleshooting
Fault Finding List
Equipment does not work
Fault:
Supply voltage failure - no function.
Remedy: Check power supply and all electrical connections.
Fault:
Electronic insert defective.
Remedy: Replace electronic insert.
Equipment signals malfunction
LED display:
Red LED flashing.
Current output: 4 mA
Fault:
Value below 0 % setting, e. g. electrode exposed.
Remedy: Check water level and installation.
LED display:
Red LED flashing.
Current output: 0 mA
Fault:
Connection to measuring tube/electrode interrupted.
Remedy: Check electrode cables (electronic insert, terminal lugs 1 - 4).
Replace equipment if necessary.
LED display:
Green LED flashing.
Current output: 0 mA
Fault:
Value above 100 % setting, e. g. control range too small.
Remedy: Adjust larger control range.
LED display:
Red LED flashing.
Current output: 0 mA
Fault:
Connections to measuring tube/electrode short-circuited.
Remedy: Check electrode cables (electronic insert, terminal lugs 1 - 4).
Replace equipment if necessary.
LED display:
Red and green LEDs flash alternately.
Current output: 0 mA
Fault:
Temperature in terminal box exceeds 85 °C.
Remedy: Check ambient temperature. Make sure it does not exceed 70 °C.
LED display:
Red and green LEDs flash alternately.
Current output: 0.5 mA
Fault:
Electrical connections to resistance thermometer interrupted or
short-circuited or thermometer defective.
Remedy: Check thermometer connections (electronic insert, terminal lugs 5 + 6).
Replace equipment if necessary.
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