Digital combi modules
D300529 0115 - BL67 I/O modules9-8
9.2.3 Diagnostic and status messages
LED status displays
Table 9-4:
LED status dis-
plays
LED Display Meaning Remedy
DRed,
flashing,
0.5 Hz
Diagnostics pending -
Red Module bus communication
failure
Check if more than two ad-joining
electronics modules have been
pulled. This concerns modules
located between this module and
the gateway.
Red No field voltage
(LED V
I
and V
O
at Power Feeding
module is "off")
Check the power supply for the
inputs (V
sens
) and the outputs (V
O
).
OFF No error messages or diagnos-
tics
-
0 to 7 Green – LEDs 0 to 3:
Input status
– LEDs 4 to 7:
Output status
-
Red,
flashing, 2 Hz
LED 0 to 3:
Short-circuit of the
Sensor supply
Eliminate the cause for the short-
circuit or the overload.
Red LED 4 to 7:
Short-circuit at
output x
Eliminate the cause for the short-
circuit or the overload.
OFF Status of the in- or output
at channel x = 0
-