6 Error Message And Trouble Shooting; Error Codes (Field Fault) - Delta M100A 284 Operation And Installation Manual

6 Error Message and Trouble Shooting
While Delta Electronics endeavors to build electronic products with high reliability
standards, there may still be situations where the inverter may not operate
properly. In this case, please follow the instructions in the "Troubleshooting Guide"
(Tables 6-1 ~ 6-4) to attempt to clear the fault. If the problem can't be solved,
please contact customer service for technical support.

6.1 Error Codes (Field Fault)

Message
AC Freq High
Grid frequency high
(E01)
AC Freq Low
Grid frequency low
(E02)
Island
Islanding is detected
(E03,E04,E05)
AC phase jump
Phase jump of Grid voltage
(E06)
Grid Quality Non-linear load in Grid and near
(E07) to inverter
AC phase
abnormal Wrong connection in AC plug
(E08)
No Grid 1. AC breaker is OFF
(E09) 2. Disconnect in AC plug
1. Actual utility voltage is under the
AC Volt Low
UVR setting
2. Incorrect Grid Code or Grid setting
(E10)
3. Wrong connections in AC plug
1. Actual utility voltage is over the
AC Volt High
OVR setting
(E11)
2. Incorrect Grid Code or Grid setting
EPO
EPO is operated by user
(E25)
DC Voltage
Input voltage is over 1000Vdc
High
(E30)
Insulation
Insulation problem of PV array
Fault
to ground
(E34)
Remote OFF Remote OFF by external
(E36) communication
Table 6-1A: Error Codes (Field Fault) & Messages
Description
Error Message and Trouble Shooting
1. Check the utility frequency
2. Check Grid code & Grid setting
Check Grid breaker
If repeated occurrence, contact customer
service for technical support
If repeated occurrence, contact customer
service for technical support
Check the AC connection in accordance
with the user manual
1. Switch on AC breaker
2. Check the connection in AC plug and
make sure it connects to inverter
1. Check the utility voltage within the suitable
range
2. Check Grid code & Grid setting
3. Check the connection in AC plug
Release the EPO button
Modify the solar array setting, and make the
Voc less than 1000Vdc
1. Check if panel enclosure ground conpletely
2. Check if inverter ground conpletely
3. Check if the DC breakers get wet
Check if remote OFF function is active
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Action