AUTOFLAME Mk8 MM Installation And Commissioning Guide

3 Water Level Control
Page 70 Mk8 MM Expansion Features Installation and Set-Up Guide 04.09.2016
Fault Message Description Type
131 Feed Water Servo Movement
Error
Servomotor moves when not expected
and vice versa
Alarm/Warning –
exp. option 20
 Check wiring and voltages on terminals P-, FW, P+ and MVI, MVD
 Check servomotor drives in correct direction
 Check feed water valve is not stuck
 Alarm if expansion option 20 is set to 1
150 High Water Probes/sensor detect water level
above commissioned high water
Alarm/Warning –
exp. option 9
 Check water level reading
 Alarm if expansion option 9 is set to 1
151 Pre-High Water Probes/sensor detect water level
above set pre-high water
Warning
 Check water level reading
 Check expansion option 7
152 Pre-1
st
Low Probes/sensor detect water level below
set pre-1
st
low
Warning
 Check water level reading
 Check expansion option 8
153 1
st
Low Probes/sensor detect water level below
commissioned 1
st
low
Alarm
 Check water level reading
 1
st
low alarm will automatically clear if water level increases above 1
st
low
154 2
nd
Low Probes/sensor detect water level below
2
nd
low
Alarm
 Check water level reading
 2
nd
low alarm requires manual reset
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 generates 1
st
or 2
nd
low as relevant

AUTOFLAME Mk8 MM Specifications

General

Brand	AUTOFLAME
Model	Mk8 MM
Category	Controller
Language	English