
IPS home inverter manual
www.ips-ups.eu
4.09.2017
IPS-home-inverter-manual_ENG-R1
13
4.4 Troubleshooting
This section lists the status and alarm messages that the UPS might display. A suggested corrective action is listed with each
display message to help you troubleshoot problems.
No.
Problem
Description
Display
Message
Corrective Action
1
AC output short
circuit
Check if the load is short circuited.
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.