KL6581 - Diagnostic LEDs
The LEDs indicate the operating state of the KL6581.
Meaning of the LED displays
LED | Color | State and significance | |||
|---|---|---|---|---|---|
On | off | flashes briefly | flashes at 1-second intervals | ||
K-Bus Run | green | Lit, either weakly or strongly: K-bus communication is OK | No K-bus communication | K-bus communication | - |
Error | red | Fault occurred: see status bytes SB.1 to SB.6 for error description | No error | - | - |
Send | green | Communication with the KL6583 works properly when the Send and Receive LEDs light up continuously. | - | Data are being sent to a KL6583. | If the Send and Receive LEDs flash at 1-second intervals, the communication with the KL6583 is faulty. |
Receive | green | - | Data are being received from a KL6583. | ||
 | Wiring check via LEDs The wiring between the KL6581 and the KL6583 devices is OK when
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