Well UPS-HEATST-COMMANDER Series, Operation Manual

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2
AC output
voltage is too
high
Contact the dealer or supplier
from whom it
was purchased.
3
AC output
voltage is too low
Contact the dealer or supplier
from whom it
was purchased.
4
Output overload
Check the load.
5
Relay fault
Contact the dealer or supplier
from whom it
was purchased.
6
MOSFET over-
current
Contact the dealer or supplier
from whom it
was purchased.
7
MOS
overtemperature Decrease the operating load. Contact the
dealer or supplier if the problem persists.
8
Connection of
heat sink and
temperature
sensor abnormal
Contact the dealer or supplier
from whom it
was purchased.
9
Transformer
overtemperature
Decrease the operating load. Contact the
dealer or supplier if the problem persists.
10
Inverter AC
output voltage is
too high
Contact the dealer or supplier
from whom it
was purchased.
11
Inverter AC
output voltage is
too low
Contact the dealer or supplier
from whom it
was purchased.