26
NETYS RT 1.1-3.3 kVA - Ref.: IOMNETRTXX0B-EN 01
Problem Possible cause Solution
ERR
E11, E12, E14, E16,
E18, E19.
UPS faulty. Contact SOCOMEC After Sales Service.
"Overload" icon lit, with
continuous alarm signal.
Overload. Disconnect non-essential loads.
Short cicuit E21 A short circuit is detected on the output Remove the short circuit on the load and restart the
UPS
Sd0 EPO shutdown UPS is off because of Emergency Power OFF button.
Check that all emergency condition has been solved,
and restart the UPS.
Sd1 RPO shutdown Nothing to do, UPS is off due to software scheduled
power off, UPS restart automatically at the
programmed time
Sd3 Green function shutdown:
UPS protect the battery due to low load
<8% and GF setting is ON
Restart the UPS
if the load is lower than 8% of nominal power, set GF
OFF on settings menu
Sd4 Battery low shutdown: mains is absent and
UPS switch off for minimum battery
Check mains supply and upstream switch
Sd5 Cold start Shutdown for low battery Connect UPS to mains to recharge the battery
11. MAINTENANCE
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