K-bus Command Error

What does 3 pulses (arg 0) mean?

The K-bus ERR LED flashes 3 times, with '0' in the argument sequence, indicating a K-bus command error. This usually means either no Bus Terminal is inserted in the bus segment or one of the connected Bus Terminals is defective.

• Invalid command received over the K-bus.
• Command sequence error.
• Corrupted command data packet.
• External device sending malformed commands.

Click steps to track your progress.

1. 1

   Verify that all required Bus Terminals are physically inserted and correctly seated in their slots.

2. 2

   To localize a defective Bus Terminal, systematically reduce the number of attached terminals (e.g., using a binary search method) and check if the error persists. Repeat until the faulty Bus Terminal is found and replace it.