Printed in Germany / M-MT-BOS
• Edition 11.99 • # 231 763
108 … 112
Error indication
Gas firing, electronic
modulation
Gas firing, pneumatic
modulation
Oil firing, three stage
Error mode overwrites all other display modes.
Error mode is not active unless a error is detected.
The following appears on the display:
• An "F" on the left
• The "Flame with strike-through" symbol
• The error code in hexadecimal notation; occupies the three places on the
right.
• The error code flashes
The error codes are listed complete with their individual meanings in the Error
Codes list below.
Press the "+" button to call up an extra error code which provides more detailed
information on the error, along with details of the program state in which the
error occurred. The extra error code does not flash on the display.
You must press the "Acknowledgment" or "Reset" button to reset.
■ Error mode
■ Error indication
■ Error code
■ Extra error code
■ Reset