P. Energy L150A User And Maintenance Handbook page 18

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"ALLARMS" PAGE
This alarm icon appears on touch screen when a alarm occur. By pushing the
button on the upper menu bar is possible to see details and cause of actual
alarm and reset the state.
The alarms page contains the follow information:
Chronological List of alarms
The pushbutton "alarm display" show a description of specific alarm selected
by the alarm list.
This pushbutton allow the alarm acknowledge from operator.
FOLLOWING THE COMPLETE LIST OF THE POSSIBILE SYSTEM ALARMS
ALLARM
ALARM EMERGENCY STOP
ALARM POWER SUPPLY 24 VDC
ALARM WATER PUMP
ALARM VACUUM PUMP
ALLARM SAFETY BEAM
ALARM MAXIMUM TEMPERATURE (HEATING
STOP)
P.Energy P.Energy P.Energy P.Energy
POSSIBLE CAUSES
the emergency button has been pressed
The current consumption is too high or it's happened
a short circuit.
The power consumption of the motor is too high or
the contactor doesn't respond
The consumption of the motor is too high or the
contactor doesn't respond
Someone or something has interrupt the safety light
curtain during the cover closing
The plate temperature exceed the "heating stop"
threshold
USER AND MAINTENANCE HANDBOOK L150A
HOW TO FIX
Restore the emergency button and press auxiliary
start to give back voltage
Verify is some short circuit is occurred and the current
consumption; after restart the thermal protection
Verify the real efficiency of the motor and that the
control relay is not broken. Restart the thermal
protection.
Verify the real efficiency of the motor and that the
control relay is not broken. Reset the thermal
protection
Restore the safety beam and reset the alarms
Check the thermocouple efficiency and if the
temperature setpoint in current recipe are too high.
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