Danfoss Semco SEM-SAFE - Page 31

END USER MANUAL
OPERATION AND MAINTENANCE OF HIGH PRESSURE WATER MIST PUMP UNIT
REVISION 4, MAY 2016
PAGE 31 / 48
Emergency stop push
button
Push button for emergency stop of the SEM-SAFE
®
High-
Pressure Water Mist Pump Unit.
Alarm and status display
Description of alarm that occurred. It appears when the System
error light is on. Please see the list of alarms below.
Alarm display on UCP
In ready mode without any alarm, the display shows the unit tank level (for SEM-SAFE
®
High-
Pressure Water Mist Pump Unit with unit tank) and actual pressure on the manifold (pilot pressure).
In alarm mode, the display shows the latest alarm raised. When the alarm is rectified, this alarm is
reset using the reset button on the Unit Control Panel. The next unsolved alarm will appear on the
display until solved. For pressure and level indication in alarm condition, press and hold the reset
push button.
Figure 18. Alarm display
Examples of alarms in the Alarm display on the Unit Control Panel are listed below.
Alarms
Power supply phase error
Control circuit error on HP 1-4
HP 1-4 phase error
Main or test valve not fully open or closed
Pilot pump phase error
System failure repeat alarm
24V DC pilot voltage supply error
High level in unit tank