Xylem WEDECO SMOevo PLUS Series Original Manual page 141

Message Message shown on the display
No.
SYS:DI1.6 Alarm cooling water flow PSU low
15
SYS:DI1.7 Alarm fault UPS 24V
16
SYS:DI2.0 Alarm overload surge suppressor
17
SYS:DI2.1 Alarm fault cooling water pump
18
Manual_SMOevoPLUS_eng_01.2019.doc
Manual Ozone Generating System SMOevo
Description /
Possible Cause
Insufficient cooling water supply.
Cooling water supply / discharge
not ensured.
Cable break.
Incorrect wiring.
Air accumulation in cooling water
line.
Cooling water circuit dirty/blocked
Fault message from UPS.
Cable break.
Incorrect wiring.
Fault message from overload
surge suppressor (overvoltage
protection).
Cable break.
Incorrect wiring.
Fault message from frequency
inverter cooling water pump.
Cable break.
Incorrect wiring.
PLUS
Troubleshooting
Countermeasures
Check settings of flow monitor.
Refer to manufacturer's manual.
Check position of ball valves and
hand butterfly valves.
Check for blockage of cooling
water side of ozone generator.
Check cables and connections.
De-aerate cooling water line.
Clean cooling water circuit.
Use suitable cooling medium
Check cables and connections.
Refer to manufacturer's manual.
Check cables and connections.
Check input voltage.
Refer to manufacturer's manual.
Check cables and connections.
Check the fault message on the
frequency inverter display,
according to the operating
instructions of the frequency
inverter, refer to manufacturer's
manual.
page 141 of 179