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MAINTENANCE AND DIAGNOSTICS
Maintenance
Integrated Controller and Operator
Panel
To clean the screen use a slightly damp soft cloth.
Do not use chemical or abrasive products.
Disconnect the power supply before cleaning the Controller.
CAN-IO Module
The CAN-IO module requires no maintenance.
Diagnostics
Integrated Controller and Operator
Panel
See the System Message screen of the set-up program.
LED
Control
Power
Power
(yellow)
Run (green)
Card status
CAN Run
CAN status
(green)
CAN Fail (red) CAN operation
80990B_MHW_CAN-IO_12-2016_ENG
Disposal
CAN-IO Module
Should a CAN-IO malfunction, it is possible to gain information
on the status of the device and its components from the LEDs.
Meanings
ON: module powered
OFF: no power
ON: card working
ON: "OPERATIONAL" status
OFF: "INIT" status
(system configuration)
Flashing: the device is in
"PREOPERATIONAL" status
Single flash: the device is in
"PREPARED" (or "STOPPED") status
OFF: no error, the device works
perfectly
ON: the CAN controller is in Bus Off. No
communication is possible
Single flash: the CAN controller error
counters has reached "Warning" level
The Integrated Controller and Operator Panel
and the CAN-IO module must be disposed of in
compliance with the laws in force.
Some of the components used in the devices
may damage the environment unless disposed
of properly.
Possible actions
Check that there are 24 Vdc at the glands
of the power terminals and that the
polarities are correct
If the LED remains off, the device is
broken
Check the CAN line connections
Check the CAN line connections and
terminations
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