Fault 20 Code 193 — System configuration invalid, incorrect remote control coding

What does Fault 20 193 mean?

The Worcester Bosch Greenstar CDi Boiler displays Fault 20 with code 193, indicating an invalid system configuration due to incorrect coding in the remote control for the heating circuit. With FW 100, only coding 1 is possible.

• Remote control is set to an incorrect coding for the heating circuit
• Incompatibility between remote control coding and FW 100 requirements

Click steps to track your progress.

1. 1

   Access the remote control settings for the heating circuit.

2. 2

   Ensure the remote control coding is set to '1' as required for FW 100.

3. 3

   Save the correct setting and verify if the fault clears. If not, consult your manual or a heating engineer.