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5.
MTQ22-FBP LED Diagnostics in Case of
Error
Diagnostic information is locally displayed using two Light Emitting Diodes (LEDs) per PSE
device interface. The meaning of the LEDs is as follows.
LED
Port 1, 2, 3, 4
Off
Green blinking
Green on
Red blinking
Green / Red alternating
LED RDY
General Status
Green on
Red blinking
Red on
LED TCP
Communication Status
Green blinking
Green on
Red blinking
Red on
Green / Red alternating
STATUS
Approved
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Explanation
Disabled (no device configured)
Startup (waiting for device)
Configured device identified and data exchange running
Communication fault
Address mismatch between expected device address and con-
nected device address. e.g. caused by swapping two devices.
Wrong device type connected.
Explanation
Normal
Minor error, e.g. wrong configuration or IP address already
available in the network
Major internal fault. If the error is permanent after reboot re-
place the device.
Explanation
Waiting for Modbus TCP connection
At least one Modbus TCP connection established
One or more (as parameterized) connections timed out
Fatal error
Error in the TCP/IP configuration
SECURITY LEVEL
Public
DOCUMENT ID.
1SFC132374M0201
F I ELD BU S CO MMU N ICAT ION
REV.
LANG.
PAGE
B
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