AUTOFLAME Mk8 MM - 11.9 Faults

11 Top Blowdown
Mk8 MM Manual Page | 220
11.9 Faults
The table below show the faults which are directly related to the top blowdown function.
Fault
Type
Message
Description
200
Warning
Top Blowdown Sensor Communications
Fault
No comms with the top blowdown sensor
•
Check wiring and screen on terminals 3P+, 3P-, 3T+ and 3T-
201
Warning
Top Blowdown Servo Position Error
Servomotor is outside of the commissioned
range
• Check wiring on terminals P-, TW, P+ and TBI, TBD
• Check signal cable form the MM to the servomotor is screened at one end
• Check that the servomotor is zeroed correctly
202
Warning
Top Blowdown Servo Movement Error
Servomotor moves when not expected and
vice versa
• Check wiring on terminals TBI and TBD
• Check servomotor drives in correct direction
• Check top blowdown valve is not stuck
250
Warning
Top Blowdown Reading High
TDS value detected too high
• Check expansion option 46 and TDS value