AUTOFLAME Mk8 MM User Manual

19 Errors & Lockouts
Mk8 MM Manual Page | 384
Fault
Message
Description
155
Shunt Switch Time Expired
Once shunt switch time expires, system goes to normally running
• Warning
• If water drops after shunt switch time expires, system will generate 1
st
or 2
nd
low as relevant
200
Top Blowdown Sensor
Communications Fault
No comms with the top blowdown sensor
• Warning
• Check wiring and screen on terminals 3P+, 3P-, 3T+ and 3T-
201
Top Blowdown Servo Position
Error
Servomotor is outside of the commissioned range
• Warning
• 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
Top Blowdown Servo
Movement Error
Servomotor moves when not expected and vice versa
• Warning
• Check wiring on terminals TBI and TBD
• Check servomotor drives in correct direction
• Check top blowdown valve is not stuck
250
Top Blowdown Reading High
TDS value detected too high
• Warning
• Check expansion option 46 and TDS value
300
Bottom Blowdown Controller
Comms
No comms with bottom blowdown controller
• Warning
• Check bottom blowdown controller is powered on and enabled
• Check wiring and screen on terminals 5T+ and 5T-
301
Bottom Blowdown Controller
Software Fault
Internal check failed
•
Warning
• Contact Autoflame approved local tech centre
302
Bottom Blowdown Servo
Closing Fault
No movement detected when bottom blowdown valve goes to
close
• Warning
• Check wiring on terminals 5T+ and 5T-
• Check bottom blowdown valve is not stuck
303
Bottom Blowdown Servo
Opening Fault
No movement detected when bottom blowdown valve goes to
open
• Warning
• Check wiring on terminals 5T+ and 5T-
• Check bottom blowdown valve is not stuck
304
Bottom Blowdown Servo
Battery Drive Fault
Battery has failed on bottom blowdown controller
• Warning
• Contact Autoflame approved local tech centre
305
Bottom Blowdown Controller
Main Power Fault
Main power has failed on bottom blowdown controller
• Warning
• Contact Autoflame approved local tech centre
350
Bottom Blowdown Servo Not
Commissioned
Bottom blowdown controller has not been requested to drive
servomotor to closed since it was powered on
• Warning
• Commission bottom blowdown servomotor
400
Draught Pressure Sensor
Timeout
No comms within 2 seconds from draught pressure sensor
• Alarm or warning depending on option 88
• Check wiring and screen on terminals DT+, DT-, DP- and DP+

AUTOFLAME Mk8 MM Specifications

General

Brand	AUTOFLAME
Model	Mk8 MM
Category	Controller
Language	English