Error Message & Trouble Shooting - Delta RPI H3A Operation And Installation Manual

9.2 Error Message & Trouble Shooting
Message
E01: Grid Freq.
Over Rating
E02: Grid Freq.
Under Rating
E07:Grid Quality
E09: No Grid
E10: Grid Volt
Under Rating
E13: Slow Over
Voltage Range
E26:Slow Over
Frequency Range
E27:Slow Under
Frequency Range
Possible cause
1. Actual utility frequency is
higher than the OFR setting
2. Incorrect country setting
3. Detection circuit malfunction
1. Actual utility frequency is
lower than the UFR setting
2. Incorrect country or Grid setting
3. Detection circuit malfunction
Non-linear load in Grid and close
to inverter
1. AC breaker is OFF
2. AC plug Disconnected
3. Internal fuses are broken
1. Actual utility voltage is under the
UVR setting
2. Utility voltage is under the Slow
UVR setting during operation
3. Incorrect country or Grid setting
4. Detection circuit malfunction
1. Actual utility voltage is over the
OVR setting
2. Incorrect country or Grid setting
3. Detection circuit malfunction
1. Actual utility frequency is over
the OFR setting
2. Incorrect country or grid setting
3. Detection circuit malfunction
1. Actual utility frequency is under
the UFR setting
2. Incorrect country or Grid setting
3. Detection circuit malfunction
Measurement, Error Message and Trouble Shooting
ERROR
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
1. Measure the utility AC voltage to
the inverter terminal.
2. Check the utility AC voltage
connection to the inverter terminal.
3. Check country & Grid setting
4. Check the detection circuit inside
the inverter
1. Check the utility voltage on the
inverter terminal
2. Check country & Grid setting
3. Check the detection circuit inside
the inverter
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
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Action