Troubleshooting; Common Problems - Xylem FLYGT MAS 711 Installation, Operation And Maintenance Manual

9 Troubleshooting

9 Troubleshooting

9.1 Common problems

Symptom
The log in fails.
The computer does not connect to the web tool.
Graphs do not appear in the web tool.
The wrong language is appears.
There is no communication with the other units.
• The Active alarms list and Alarm and event log show
• The Active alarms list and Alarm and event log shows
• The operator panel menus are not updated when the
• The base unit does not register values from the
• The relay module does not correctly indicate the
There are problems with the sensors.
• The Active alarms list and Alarm and event log show
• A sensor shows incorrect values.
52
a communication alarm.
the message No pump memory sync.
buttons are pressed.
power analyzer.
alarms
a short circuit although the sensor is connected.
Remedy
• Check that the user name and password are correct.
The default password is ef56 for config and cd34 for
operator.
• If the default passwords are changed, then make
sure that the new password is available.
• The passwords are case-sensitive.
• If the password is lost, then contact the local sales
and service representative.
• For more information, ,see
directly to the web tool
• For more information, ,see For more
information, ,see
(page 35).
• If the IP address has been changed, then restart the
base unit by disconnecting and connecting the
power supply.
• Download the Java runtime environment and install
it.
• For more information, ,see For more
information, ,see
(page 19).
• Change the language with the operator panel. For
more information, ,see
32).
• Change the language with the web tool. For more
information, ,see
• Make sure that the wires are connected correctly. For
more information, ,see
11).
• If the communication with the higher-level system
does not work on Ext 1, then try to switch the A and B
wires on the terminals 41 and 42.
• If the wires for the sensor are long, then compensate
the distance. For more information, ,see
measurement error due to long leads
• Check that the wires are connected correctly.
• Check that the sensor functions.
• If the sensor gets its power supply from the base
unit, then measure the power supply.
• Replace the sensor.
MAS 711 Installation, Operation, and Maintenance Manual
Connect a computer
(page 20).
Check and change the IP address
Configure Java on the computer
Change the language (page
Change the language (page 25).
Electrical Installation (page
Correct the
(page 28).