Error Message & Trouble Shooting - Delta RPI-H3 Owner's Manual

9.2 Error Message & Trouble Shooting
ERROR
Message
1. Actual utility frequency is
over the OFR setting
E01: Grid Freq
Over Rating 2. Incorrect country setting
3. Detection circuit malfunction
1. Actual utility frequency is
under the UFR setting
E02: Grid Freq
2. Incorrect country or Grid
Under Rating
setting
3. Detection circuit malfunction
E07:Grid Non-linear load in Grid and
Quality near to inverter
1. AC breaker is OFF
E09: No Grid 2. Disconnect in AC plug
3. Internal fuses are broken
1. Actual utility voltage is under
the UVR setting
2. Utility voltage is under the
E10: Grid Volt Slow UVR setting during
Under Rating operation
3. Incorrect country or Grid
setting
4. Detection circuit malfunction
1. Actual utility voltage is over
the OVR setting
E11: Grid Volt 2. Utility voltage is over the
Slow OVR setting during
Over Rating
operation
3. Incorrect country or Grid
Table 9-2 Error message
Possible cause
38
Action
1. Check the utility frequency on the inverter
terminal
2. Check country setting
3. Check the detection circuit inside the
inverter
1. Check the utility frequency on the inverter
terminal
2. Check country & Grid setting
3. Check the detection circuit inside the
inverter
Grid connection of inverter need to be far
away from non-linear load if necessary
1. Switch on AC breaker
2. Check the connection in AC plug and
make sure it connects to inverter
3. Replace fuses and check all switching
devices in boost & inverter stages
1.&2. Check the utility voltage connection to
the inverter terminal.
3. Check country & Grid setting
4. Check the detection circuit inside the
inverter
1.&2. Check the utility voltage on the inverter
terminal
3. Check country & Grid setting