Modifications reserved Page 51/103
OPM_LPS_33E_60K_M12_2GB_V010.doc Operating Manual LP 33 Series 60-80-100-120 kVA / S2
LED Stop Operation (red colour)
It warns about the imminent inverter stop (default parameter = 3 min.) and the
consequent load shutdown as result of:
• The battery is fully discharged and the load cannot be transferred on mains.
• Overtemperature or overload condition (>125%) and the load cannot be
transferred on mains.
LED Alarm (yellow colour)
It blinks when one or more alarm is activated. The internal buzzer is ON.
The LED remains
lighted (with the alarm condition still present) and the buzzer stops
when the key “MUTE” is pressed.
LED Alarm is lit when the load is not protected by UPS or in case Q1 is open.
LED Operation (green colour)
When lit, indicates that the UPS is functioning correctly and the load is system
protected (Load supplied either from inverter or from Automatic Bypass in case of
ECO Mode functionality).
When blinking, indicates that a regular maintenance service is needed (SERVICE
REQUIRED).
May be reset by a service technician only.
See Section 11 – Maintenance – Service check.
The LED is OFF when the output switch Q1 is open, indicating that the Inverter is in
service mode, not supplying the load.
User LCD Interface
The user interface consists of a Back lit Graphi
Display (LCD) having:
• Synoptic diagram indicating UPS status.
• UPS operating, AC and DC metering
information.
• History of events (alarms and messages).
• Functionality can be programmed to meet
customer needs by changing parameters.
• Operation commands of the UPS.
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