Xylem WEDECO SMOevo PLUS Series Original Manual page 150

Message Message shown on the display
No.
SYS:AI102 Alarm signal fault gas flow
130
generator
SYS:AI104 Alarm signal fault external
131
setpoint
SYS:AI106 Alarm signal fault temperature
132
cooling water generator
SYS:AI108 Alarm signal fault feed gas
133
pressure
SYS:AI110 Alarm signal fault ozone
134
concentration in gas
SYS:AI112 Alarm signal fault feed gas dew
135
point
Manual_SMOevoPLUS_eng_01.2019.doc
Manual Ozone Generating System SMOevo
Description /
Possible Cause
Signal < 4 mA or signal > 20 mA.
Cable breakage.
Measuring device or transducer
input PLC defective.
Signal < 4 mA or signal > 20 mA.
Cable breakage.
Measuring device or transducer
input PLC defective.
Signal < 4 mA or signal > 20 mA.
Cable breakage.
Measuring device or transducer
input PLC defective.
Signal < 4 mA or signal > 20 mA.
Cable breakage.
Measuring device or transducer
input PLC defective.
Signal < 4 mA or signal > 20 mA.
Cable breakage.
Measuring device or transducer
input PLC defective.
Signal < 4 mA or signal > 20 mA.
Cable breakage.
Measuring device or transducer
input PLC defective.
PLUS
Troubleshooting
Countermeasures
Check signal.
Check flow meter.
Check cables and connections.
Check signal.
Check signal output at the
customer.
Check cables and connections.
Replace sensor.
Check signal.
Check cables and connections.
Replace sensor.
Check signal.
Check cables and connections.
Calibrate sensor,
replace, if necessary.
Check signal.
Check cables and connections.
Calibrate sensor,
replace, if necessary.
Check signal.
Check cables and connections.
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