INFOSEC UPS SYSTEM E4 LCD TT Série Manuel Utilisateur page 80

Symptom
The warning code 02 is shown, the icon
flashes on LCD display, and alarm
beeps every second.
INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
79
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Possible cause
The input neutral
disconnected.
The L2 or L3 input fuse is broken. Replace the fuse.
Remedy
Check and correct the input
neutral connection.
connection is ok and the alarm is
still displaying, please refer to the
LCD setting section, to enter the
neutral loss check menu, to see if
wire is
the parameter3 is "CHE", if it is,
please press the "Enter" key firstly
to make the "CHE" flash and press
the "Enter" key secondly to make
the UPS clear the alarm. If the
warning still exists, please check
input fuses of L2 and L3.
If the