Flame Safeguard (MM80001/FSG) Manual
Signal lost from gas pressure sensor
• Check wiring and screen on terminals 31 – 34
• Contact Autoflame approved local tech centre
Internal pressure sensor fault
• Contact Autoflame approved local tech centre
Internal UV scanner fault
• Contact Autoflame approved local tech centre
Signal lost from air pressure sensor
• Check wiring and screen on terminals 31 – 34
• Contact Autoflame approved local tech centre
Internal pressure sensor fault
• Contact Autoflame approved local tech centre
Air pressure is more than 5mbar from sensor’s zero value
• Check air pressure sensor value during VPS
Air pressure is above 400mbar
• Check Autoflame approved local tech centre
Air pressure outside of these limits for 3 seconds
• Check air pressure
• Check option/parameter 147
Voltage has not been reset for 2minutes
• Check air pressure sensor value during VPS
• Check voltage has been reset on terminal 54 within 2minutes before run to purge
• Check wiring and voltage on terminal 54
Gas pressure too high during VPS
• Isolate gas
• Check 1
st
main valve and vent valve
• Check option/ parameters 133 and 134
• Call a certified Commissioning Engineer to investigate
• Contact Autoflame approved local tech centre
Timeout on Reaching Purge
Time set in option/parameter 124 has elapsed
• Check option/parameter 124
Oil Pressure Sensor Fault
No comms received from oil pressure sensor
• Check wiring and screen on terminals 48, 49
Purge Pressure Proving Input
Input on T81 read high during relay test phases
• Input has been made before the blower starts; it should only be made continuously during purge.
• Check wiring on terminal 81.
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 64
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 83
Vent Valve 2 Output Fault
Voltage detected when output is off (and vice versa)
• Check wiring and voltage on terminal 84
Signal lost from gas pressure sensor
• Check wiring and screen on terminals DT+, DT-, DP- and DP+ on the MM expansion board