HAMWORTHY HEATING LTD
MILBORNE 500 SERIES
500001130/A
33
16.0 Master control panel error messages
The following tables display the Master board errors messages. These messages relate to faults that can occur
within the Master control panel, or from the sensors and circuits connected to the Master control panel.
Errors can be divided into two groups: lock-out errors which can be automatically reset (E errors ) and permanent
errors (A errors ) which must be reset just by pressing the reset button.
16.1 “Error” mode
The display starts flashing when a fault occurs.
Follow the procedures below to establish the fault code and its relevance.
1.
The display starts flashing to signal one or
more faults.
1b.
Press S4 (+): the display will alternate between
the address of the first unit (boiler module) and
the first error code.
Press S4 again (+) to display all the errors for
this unit (boiler module).
The error of the successive unit (boiler module)
will be visualized one after the other, press S4
(+).
Press S5 (-) to display the errors in the
opposite way, from the last to the first unit
(boiler module)
(e.g. unit [boiler module] 2 error code E 05.
Fault can be either E codes or A codes.
If errors derive from the Master, they will be
displayed (before the other errors) as U 00 +
error code. The Master controller always has
addresses U 00.
See error list for codes and
related faults
Procedures
Display
Button Required
2.
Press S2 (SET/ ESC) to exit ‘errors’ and go
back to display mode.