Xylem WEDECO SMOevo PLUS Series Original Manual page 153

Message Message shown on the display
No.
SYS:AI108 Alarm feed gas pressure high
177
SYS:AI108 Warning feed gas pressure high
178
SYS:AI108 Warning feed gas pressure low
179
SYS:AI108 Alarm feed gas pressure low
180
SYS:AI112 Alarm feed gas dew point high
185
SYS:AI112 Warning feed gas dew point high
186
SYS:AI114 Alarm process analyzer value
189
high
SYS:AI114 Warning process analyzer value
190
high
Manual_SMOevoPLUS_eng_01.2019.doc
Manual Ozone Generating System SMOevo
Description /
Possible Cause
Inlet pressure too high.
Inlet pressure too high.
Inlet pressure too low.
Inlet pressure too low.
Feed gas has bad dew point
quality > -50°C.
Start-up time dryer / compressor.
Feed gas has bad dew point
quality > -55°C.
Start-up time dryer / compressor.
Process value of the feedback
variable too high
Process value of the feedback
variable too high
PLUS
Troubleshooting
Countermeasures
Pressure reducer defective or
incorrectly set.
Acknowledge pressure switch.
Pressure reducer defective or
incorrectly set.
Check valve setting.
Check gas supply.
Check valve setting.
Check gas supply.
Check feed gas.
Check gas supply lines.
Check sensor.
Replace, if necessary.
Check dryer / compressor.
Check feed gas.
Check gas supply lines.
Check sensor.
Replace, if necessary.
Check dryer / compressor.
Check settings
Check settings
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