Wilo Para MAXO Einbau- Und Betriebsanleitung Seite 97

Faults, causes and remedies
Faults
Overvoltage VDC
LED: flashes red
SSM relay: open
PWM out: 85 %
LIN: Error 06
Modbus: Error 33
Undervoltage VDC
LED: flashes red
SSM relay: opened
PWM out: 85 %
LIN: Error 07
Modbus: Error 32
Undervoltage mains cur-
rent
LED: flashes red
SSM relay: opened
PWM out: 85 %
LIN: Error 10
Modbus: Error 4
Turbine operation
LED: flashes red
SSM relay: opened
PWM out: 85 %
LIN: Error 09
Modbus: Error 119
Rotor blocked
LED: flashes red
SSM relay: opened
PWM out: 5 %
LIN: Error 20
Modbus: Error 10
Warning
Dry run
LED: flashes red/green
SSM relay: closed
PWM out: -
LIN: Warning 17
Modbus: Warning 11
Installation and operating instructions Wilo-Para MAXO/-G/-R/-Z
Causes
Pump off.
The voltage is too high.
Pump off.
The power supply is too low.
Pump off.
Power supply on mains side too low.
Pump does not start.
The pump cannot start due to negat-
ive throughflow.
Pump off.
Rotor blocked. The deblocking
routine tries to deblock the pump.
The pump is on and running, but air
has been detected in the pump.
Remedies
Check power supply.
The pump switches on once the nor-
mal state is reached.
Check power supply.
The pump switches on once the nor-
mal state is reached.
Check power supply.
The pump switches on once the nor-
mal state is reached.
Check installation.
The pump switches on once the nor-
mal state is reached.
Wait for the deblocking routine.
Fill the system or vent the pump.
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