Delta RPI-H3 Service Manual download pdf (Page 44)

38

9.2 Error Message & Trouble Shooting

Table 9-2 Error message

ERROR

Message Possible cause Action

E01: Grid Freq

Over Rating

1. Actual utility frequency is

over the OFR setting

2. Incorrect country 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

E02: Grid Freq

Under Rating

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

E07:Grid

Quality

Non-linear load in Grid and

near to inverter

Grid connection of inverter need to be far

away from non-linear load if necessary

E09: No Grid

1. AC breaker is OFF

2. Disconnect in AC plug

3. Internal fuses are broken

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

E10: Grid Volt

Under Rating

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.&2. Check the utility voltage connection to

the inverter terminal.

3. Check country & Grid setting

4. Check the detection circuit inside the

inverter

E11: Grid Volt

Over Rating

1. Actual utility voltage is over

the OVR setting

2. Utility voltage is over the

Slow OVR setting during

operation

3. Incorrect country or Grid

1.&2. Check the utility voltage o

n the inverter

terminal

3. Check country & Grid setting

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