Troubleshooting - EBARA Ego B slim Operating And Maintenance Manual

17. TROUBLESHOOTING

In case of failure, the error causing the failure will appear
on the display screen. Errors are identified as follows:
E X Y
ERROR GROUP
Error Error
group (X) description
Low load
1
detected
2 Motor overload
3 Motor too hot
Electronics
4
error
Motor/
5
stator failure
The service code is intended for service personnel only.
If the pump is unresponsive, disconnect and connect it
back to the electrical grid.
18. COMUNICATION MODULE
18.1. GENERAL
This manual contains only basic information regarding module
installation and safety. Further product documentation can
be found on our website on this address:
http://www.ebaraeurope.com/php/eng/prodotti/
SERVICE CODE
Possible cause
and solution
There is no fluid in the
pump. Check if there is
fluid in the system.
Excessive current load
or blocked rotor. If the
problem persists, check if
the rotor is spinning freely.
Motor has exceeded
allowed temperature and
is now arrested in order to
cool down. Once cooled, it
will automatically restart.
An electronics error was
detected. The pump can
still operate, but needs
servicing.
Motor winding may be
damaged. Pump needs
servicing.
Or by QR code:
18.2. APPLICATIONS AND FEATURES
The communications module is supplied as standard on
the twins ("Ego TC slim" models) while it can be added
later to any single "Ego slim" model.
The module includes:
- Ethernet connection
- Modbus RTU connection
- 0-10V external regulation
- 3 digital inputs
- 1 relay output
18.3. ELECTRICAL INSTALLATION
Electrical connection and protection must be carried out
according to local regulations.
WARNING!
• Before making any connection or fitting to the module,
switch off power supply.
• Wires should be routed so no wire crosses the center
barrier.
• Relay cable (NO, C, NC) must be separated from all
other wiring with reinforced insulation. Cable outer layer
must not be stripped longer than 15 mm.
18.4. TECHNICAL DATA
Ambient temperature: 0 to 40°C
Ambient humidity: < 95% relative, non-condensing
GB
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