Error Message & Trouble Shooting - Delta RPI H3A User Manual

9.2 Error Message & Trouble Shooting
Table 9-2: Error message
Message
E01: Grid 1. Actual utility frequency is
Freq. Over higher than the OFR
Rating setting
2. Incorrect country setting
3. Detection circuit
malfunction
E02: Grid 1. Actual utility frequency is
Freq. lower than the UFR
Under setting
Rating 2. Incorrect country or Grid
setting
3. Detection circuit
malfunction
E07:Grid Non- linear load in Grid and
Quality close to inverter
E09: No Grid 1. AC breaker is OFF
2. AC plug Disconnected
3. Internal fuses are
broken
36
ERROR
Possible cause 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 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