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Message
Message shown on the display
No.
SYS:DI3.6 Alarm process water valve
31
injection system not closed
SYS:DI3.7 Alarm process water valve
32
injection system not open
PSU:DI20.0 Alarm no operation message
65
from DICON
PSU:DI20.1 Alarm fault PSU / Vessel
66
Manual_SMOevoPLUS_eng_01.2019.doc
Manual Ozone Generating System SMOevo
Description /
Possible Cause
No control compressed air.
Valve activation defective.
Valve blocked.
No control compressed air.
Valve activation defective.
Valve blocked.
Door electrical cabinet open.
Cable break.
Connection plug between cabinets
not fixed.
24V supply of Dicon missing.
Dicon defective
Operating pressure ozone
generator.
Overload power element
Insulation fault on secondary side.
Insulation fault in ozone generator.
Water in ozone generator.
Electronics fault in Dicon.
Primary electronic fault.
Converter input voltage too low.
Step-up transformer defective.
PLUS
Troubleshooting
Countermeasures
Check control compressed air for
pneumatic valves.
Check valves.
Contact regional Wedeco Service.
Refer to Chapter Contact
Addresses.
Check control compressed air for
pneumatic valves.
Check valves.
Contact regional Wedeco Service.
Refer to Chapter Contact
Addresses.
Close door / check door switch.
Check cables and connections.
Check 24V DC supply.
Contact regional Wedeco Service.
Refer to Chapter Contact
Addresses.
Check ozone generator.
Check dew point of the feed gas.
Water flowing back from injection
system to ozone generator, contact
Wedeco Service / Fault rectification
only by qualified staff.
Refer to Chapter Contact
Addresses.
page 145 of 179
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