END USER MANUAL
OPERATION AND MAINTENANCE OF HIGH PRESSURE WATER MIST PUMP UNIT
REVISION 4, MAY 2016
Figure 14. Alarm display
Examples of alarms in the Alarm display on the Unit Control Panel are listed below.
Control circuit error on HP 1-8
Main or test valve not fully open or closed
System failure repeat alarm
24V DC pilot voltage supply error
Wire break error on system pressure transmitter,
pressure switch, main and test valve
Note:
Refer to the DIOMA (Design Installation Operation Maintenance Approval) manual for your
system received from Danfoss Semco A/S to see a complete list of alarms, their meaning and ways
to solve the problem.
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