12 Bottom Blowdown
Mk8 MM Manual Page | 238
12.7 Faults
The table below show the faults which are directly related to the Bottom Blowdown function.
Fault Type Message Description
Bottom Blowdown Controller Comms
No comms with bottom blowdown controller
• Check bottom blowdown controller is powered on and enabled
• Check wiring and screen on terminals 5T+ and 5T-
Bottom Blowdown Controller Software
Fault
• Contact Autoflame approved local tech centre
Bottom Blowdown Servo Closing Fault
No movement detected when bottom
blowdown valve goes to close
• Check wiring on terminals 5T+ and 5T-
• Check bottom blowdown valve is not stuck
Bottom Blowdown Servo Opening Fault
No movement detected when bottom
blowdown valve goes to open
• Check wiring on terminals 5T+ and 5T-
• Check bottom blowdown valve is not stuck
Bottom Blowdown Servo Battery Drive
Fault
Battery has failed on bottom blowdown
controller
• Contact Autoflame approved local tech centre
Bottom Blowdown Controller Main
Power Fault
Main power has failed on bottom blowdown
controller
• Contact Autoflame approved local tech centre
Bottom Blowdown Servo Not
Commissioned
Bottom blowdown controller has not been
requested to drive servomotor to closed
• Commission bottom blowdown servomotor