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Alarm
Phase Voltage Protection Circuit
Code: UnitOffPhaseVoltage
OffNormal
Category:
Critical
Trigger
Action
Unit immediate shutdown
Reset method Manual reset
Reset
Condition
Phase protector contact (NC) = Close for 5 Sec
Solution
Check unit power supply quality
Alarm
No
Yes
Yes
No
Main controller has power
up for 5 sec?
Phase protector contact
= Open?
Phase protector
configuration is “Single
point”?
Yes
No
Summary of Contents for UAA-ST3M
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