Flame Safeguard (MM80001/FSG) Manual
Draught Pressure Outside
Tolerance
Pressure is outside of set tolerance
• Alarm or warning depending on option 88
• Check expansion option 87
Fuel flow Feedback Input Low
3mA or lower received from 4-20mA external fuel flow input
• Warning
• Check feedback from external fuel flow input
• Check wiring on terminals EX- and EX+
Fuel flow Feedback Below
Tolerance
Fuel flow signal below fuel flow feedback fault tolerance
• Warning
• Check feedback from external fuel flow input
• Check option 60
Fuel flow Feedback Above
Tolerance
Fuel flow signal above fuel flow feedback fault tolerance
• Warning
• Check feedback from external fuel flow input
• Check option 60
Temperature Sensor T1 Fault
Fault or no comms with T1 sensor
• Warning
• Check wiring and screen on terminals –and T1
Temperature Sensor T2 Fault
Fault or no comms with T2 sensor
• Warning
• Check wiring and screen on terminals – and T2
Temperature Sensor T3 Fault
Fault or no comms with T3 sensor
• Warning
• Check wiring and screen on terminals – and T3
Fault or no comms with make up flow meter
• Warning
• Check wiring and screen on terminals F- and MF
Condensate Flow Meter Fault
Fault or no comms with condensate flow meter
• Warning
• Check wiring and screen on terminals F- and CF
Fault or no comms with deaerator IO
• Warning
• Check wiring and screen on terminals 6T+ and 6T-
Multi-Burner Communications
Fault
Loss of comms between MMs in multi-burner loop
• Alarm
• Check wiring on terminals 23 and 24 on all MMs in multi-burner loop
Multi-Burner Version Mismatch
Software versions of MMs in multi-burner loop do not match
• Alarm
• Check that software versions of MMs in multi-burner loop match
MM in multi-burner loop has been detected but not polled
• Alarm
• Check option 51 on master MM
• Check wiring on terminals 23 and 24
Multi-Burner Config (Multi-
Burner Mode)
Multi-burner mode is not the same for all MMs in loop
• Alarm
• Check option 43 on all MMs in multi-burner loop
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