Error
Message
E01: OFR
E02: UFR
E09: No Grid
E10: UVR
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
1. AC breaker is OFF
2. AC plug disconnected
3. Internal fuses are broken
1. Actual utility voltage is higher the
UVR setting
2. Incorrect country or Grid setting
3. Detection circuit malfunction
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
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 country & Grid setting
3. Check the detection circuit inside
the inverter
E11: OVR
1. Actual utility voltage is higher
than the OVR setting
2. Incorrect country or Grid setting
3. Detection circuit malfunction
1. Measure the utility AC voltage to
the inverter terminal.
2. Check country & Grid setting
3. Check the detection circuit inside
the inverter
E13: OVR-Slow
1. Actual utility voltage is over
than the OVR setting
2. Incorrect country or Grid setting
3. Detection circuit malfunction
1. Check the utility voltage on the
inverter terminal
2. Check country & Grid setting
3. Check the detection circuit inside
the inverter
E26: OFR-Slow
1. Actual utility frequency is over the
OFR setting
2. Incorrect country or grid setting
3. Detection circuit malfunction
1. Check the utility frequency on the
inverter terminal
2. Check country setting
3. Check the detection circuit inside
the inverter
E27: UFR-Slow
1. Actual utility frequency is under
the UFR setting
2. Incorrect country or Grid setting
3. Detection circuit malfunction
1. Check the utility frequency on the
inverter terminal
2. Check country & Grid setting
3. Check the detection circuit inside
the inverter
Possible cause
Action
9 Error Message and Trouble Shooting
Table 9-1 : Error Message
43
Error Message and Trouble Shooting
Summary of Contents for H2.5 210
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