Boss MX130 - Troubleshooting

MX130 & MX230
10. Troubleshooting
Errors impact the main functionality of the product and will trigger the Alarm installation (chapter
8.1). Additionally errors are also shown on the display of the unit.
Error message on
display
problem
solution
Sensor Fail
Sensor broken
change sensor (spare part)
Low Pressure Alarm
The flex hose isolation valve of
the unit is closed
Open the isolation valve on
the flex hose
The system pressure has fallen
below the LOW PRESSURE
set point
Increase system pressure
using a filling loop
The LOW PRESSURE set
point is too high
Review the system
specifications
High Pressure Alarm
The flex hose isolation valve of
the unit is closed
Open the isolation valve on
the flex hose
The system pressure has risen
above the HIGH PRESSURE
set point
Decrease system pressure using
a suitable drain point
The expansion vessel has
failed or lost its pre-charge
Check the expansion vessel
pre-charge and recharge if
necessary
The expansion vessel is
undersized
Review the expansion vessel
selection
The HIGH PRESSURE set
point is too low
Review the system
specifications
Flood Limit Alarm
A large amount of water has
been lost from the system
Investigate cause
The relevant pump is air- locked
and not pumping water
prime the pump (see chapter 9
Operation)
The unit is undersized for the
system
Review unit selection
The FLOOD LIMIT time is too
short
Consult BOSS Technical Support
Warnings will give you additional information. The product can still perform its main functionality.
Warnings are just shown on the display of the unit.