Troubleshooting
36
Diagnosis (continued)
Diagnostics table: Faults with fault display on control unit (continued)
Fault message in display window
Burner fault
indicator (red)
System behavior
FAULT: 25 OFF Boiler operates with high boiler water temperature.
FAULT: 26 OFF Boiler operates with continuous relay test.
FAULT: 35 OFF Boiler does not activate.
FAULT: 94 OFF Boiler does not activate.
FAULT: 95 OFF Boiler does not activate.
FAULT: 51 OFF No DHW function.
FAULT: 59 OFF No DHW function.
5285 961 v1.3