Xylem FLYGT Pareo DCM 711 Installation, Operation And Maintenance Manual page 20

3 Function Description
Alarm
Phase imbalance,
pump current
Phase imbalance,
voltage
Pump
communication
failure
Pump leakage
Pump short circuit
Pump thermal
alarm
Pump thermal
warning
Service alarm
Startup failure
Undercurrent
Undervoltage
16
Possible cause Remedy
There is a current Check the wiring
imbalance in the and the
phase leads of the connections to the
pump. terminals.
There is a voltage –
imbalance in the
connections to the
controller.
There is no Check the wiring
communication and the
between the connections to the
controller and the terminals.
pump.
There is a leakage Examine and repair
in the pump. the leakage.
There is a short –
circuit in the signals
from the FLS
sensor.
The thermal Check the pump
sensors detect that temperature.
the temperature is
higher than the
permitted limit.
The thermal Check the pump
sensors detect that temperature.
the temperature is
high.
The pump is due –
for service.
The controller Upgrade the
cannot start software of the
correctly. controller.
The pump does not • Check the
receive sufficient incoming power
voltage. supply.
• Check the wiring
and the
connections to
the terminals.
The pump does not • Check the
receive sufficient incoming power
voltage. supply.
• Check the wiring
and the
connections to
the terminals.
DCM 711 Installation, Operation, and Maintenance Manual
Priority level Reset
Class A Automatic
Class A Manual
Class B Automatic
Class A Automatic
Class A Automatic
Class A Automatic
Class B Automatic
Class B Manual
For more
information, see
Reset the service
alarm
on page 25.
Class A Manual
Class A Automatic
Class A Automatic