70
User Manual
MHS-3~8K
series
Error Message
Description
Solution
AC Transducer Fault
AC transducer anomaly.
1. Restart the inverter.
2. Seek for help from the installer or manu-
facture.
Relay Check Fail
Self-checking of relay fails. neutral &
ground cable are not connected well
on AC side or just occasional failure.
1. Check use multi-meter if there is high
voltage (normally should be lower than 10V)
between N&PE cable on AC side. If the volt-
age higher than 10V, it means the Neutral &
ground cable are not connected well on AC
side or restart inverter.
2. If the neutral & ground cable are con-
nected well, please contact Solinteg.
Internal Fan Fault
Internal fan anomaly.
1. Restart the inverter.
2. Seek for help from the installer or manu-
facture.
External Fan Fault
External fan anomaly.
1. Stop the inverter and disconnect the
AC&DC cables.
2. Check whether the fan is blocked by for-
eign matters. If not, replace the fan.
Bus Voltage Hard
Fault
BUS voltage is over-high
1. Restart the inverter.
2. Seek for help from the installer or manu-
facture.
PV Power Low
PV power Low.
1. Check if part of the PV array is sheltered.
2. Check if the sunlight is sufficient at the PV
installed area.
