Printed in Germany / M-MT-BOS
• Edition 11.99 • # 231 763
110 … 112
Code Meaning
04H Internal device fault
05H Internal device fault
06H Internal device fault
07H Internal device fault
09H Internal device fault
10H Internal device fault
11H Internal device fault
12H Internal device fault
13H Internal device fault
14H Internal device fault
15H Internal device fault
20H Air pressure switch is not in "off" position
21H Air pressure switch failure
22H Gas pressure switch failure
25H No flame after safety period elapses
26H Extraneous light
27H Flame failure during operation
29H Internal device fault
2AH Internal device fault
2BH Short circuit in photoresistor or internal fault
2CH Internal device fault
30H Internal device fault
31H Internal device fault
32H Internal device fault
33H Internal device fault
34H Internal device fault
Error messages