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6.
Troubleshooting
If the UPS system does not operate correctly, please attempt to solve the problem
using the table below.
Problem
Possible cause
Remedy
No output voltage
On/Off switch in position
OFF (released)
Set the On/Off switch to
position ON (engaged)
Line-side fuse of UPS sys-
tem defective / automatic
circuit-breaker has discon-
nected
(only YUNTO P 1250)
Check the load. If an over-
load has occurred, reduce
the number of loads and then
check the line-side fuse and
exchange it if necessary /
switch on the automatic cir-
cuit-breaker by pushing it.
No input voltage
Check building wiring sock-
et outlet, check input cable
No indication
On/Off switch in position
OFF (released)
Set the On/Off switch to
position ON (engaged)
Line-side fuse of UPS sys-
tem defective / automatic
circuit-breaker has discon-
nected
(only YUNTO
P 1250)
Check the load. If an over-
load has occurred, reduce
the number of loads and then
check the line-side fuse and
exchange it if necessary /
switch on the automatic cir-
cuit-breaker by pushing it.
No input voltage
Check building wiring sock-
et outlet, check input cable
UPS system issues
acoustic alarm every
second
(only
YUNTO
P 1250)
UPS system overload
Reduce the number of loads
connected to the UPS output
Stored energy time
less than nominal
Batteries not fully charged
/ batteries defective
Charge the batteries for at
least 4 hours. Check capaci-
Summary of Contents for YUNTO P 1250
Page 17: ...17 54 2 6 2012 9 Anhang Vorder und Rückansicht YUNTO P 500 750 ...
Page 18: ...18 54 2 6 2012 Vorder und Rückansicht YUNTO P 1250 ...
Page 35: ...35 54 2 6 2012 9 Appendice Fronte e Retro YUNTO P 500 750 ...
Page 36: ...36 54 2 6 2012 Fronte e Retro YUNTO P 1250 ...
Page 53: ...53 54 2 6 2012 9 Annex Front and back view YUNTO P 500 750 ...
Page 54: ...54 54 2 6 2012 Front and back view YUNTO P 1250 ...