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5 ALARMS AND TROUBLESHOOTING
5.1 Alarms
The control system built into the appliance includes an alarm utility. The alarm utility shuts the
appliance down and activates alarms if a fault or abnormality develops in the appliance.
The ‘Display active alarms’ key will flash red when an alarm is active. The symbol above
the Boiler, Fuel or Clean status on the home screen of the user control interface also indicates
an alarm is active.
Figure 91 shows a typical example of a home screen with active alarms present. In this case the
alarm condition is associated with the boiler and cleaning functions of the appliance.
Pressing the flashing
‘Display active alarms’ key or entering the alarm option from the main
menu will then display one or more active alarms or faults. The ‘Down Arrow’ or the ‘Up
Arrow’ key can then be used to scroll through the alarms.
The alarms schedules in the following pages suggest possible causes for the activation of each
alarm. Suggested actions for each alarm condition are also included. The suggested actions are
attributed to the user (typically the homeowner) or a Warmflow engineer or other qualified
biomass engineer, and should be conducted in the order suggested. The possible causes and
suggested actions are not exhaustive.
All suggested actions to be completed by an engineer should be conducted with reference to
the WS18/WP18 Technical Manual.
It is not necessary to immediately isolate power to the appliance when an alarm message is
displayed. Follow the instructions on screen. Consult the alarms schedules in the following
pages first.
NOTE - When viewing alarm messages, it is good practice to press and hold the
‘Display active alarms’ key for 5 seconds. This action will clear any alarms that have
become inactive but may still be displayed. Pressing and holding the
‘Display active
alarms’ key for 5 seconds will therefore avoid actions being conducted unnecessarily.
Figure 91: Home Screen – Alarm Condition
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