Table 6-1A: Error Codes and Messages
Message
Possible cause
Action
6
Error message and Trouble Shooting
AC Freq
High
(E01)
1. Actual utility frequency is over
the OFR setting
2. Incorrect Grid code setting
3. Detection circuit malfunction
1. Check the utility frequency
2. Check Grid code setting
3.
Contact customer service for
technical support
AC Freq
Low
(E02)
1. Actual utility frequency is under
the UFR setting
2. Incorrect Grid code or Grid setting
3. Detection circuit malfunction
1. Check the utility frequency
2. Check Grid code & Grid setting
3.
Contact customer service for
technical support
Grid Quality
(E07)
Non-linear load in Grid and near
to inverter
Grid connection of inverter need to be
far away from non-linear load if necessary
AC Con.
Fail
(E08)
1. Wrong connection in AC terminal
2. Detection circuit malfunction
1. Check the AC connection in accordance
with the user manual
2.
Contact customer service for
technical support
No Grid
(E09)
1. AC breaker is OFF
2. Disconnect in AC terminal
1. Switch on AC breaker
2. Check the connection in AC terminal and
make sure it connects to inverter
AC Volt
Low
(E10, E15,
E20)
1. Actual utility voltage is under
the UVR setting
2. Incorrect Grid code or Grid setting
3. Wrong connections in AC terminal
4. Detection circuit malfunction
1. Check the utility voltage within the suitable
range
2. Check Grid code & Grid setting
3. Check the connection in AC terminal
4.
Contact customer service for
technical support
AC Volt
High
(E11, E13,
E16, E18,
E21, E23)
1. Actual utility voltage is over the
OVR setting
2. Utility voltage is over the Slow
OVR setting during operation
3. Incorrect Grid code or Grid setting
4. Detection circuit malfunction
5. Wrong connection in AC terminal
1. Check the utility voltage within the suitable
range
2. Check Grid code & Grid setting
3. Check the connection in AC terminal
4.
Contact customer service for
technical support
Solar1
High
(E30)
1. MPPT 1 input voltage is over
1000Vdc
2. Detection circuit malfunction
1. Modify the solar array setting, and
make the Voc less than 1000Vdc
2.
Contact customer service for
technical support
While Delta Electronics endeavors to build electronic products to very high
standards of reliability, there will arise instances where the inverter may not
operate properly. When such a condition is encountered, please follow the
instructions in the Troubleshooting Guide
(Tables 6-1, 6-2, and 6-3)
to attempt
to clear the fault.
If fault continues to appear or if it is listed more than once in the inverter Error
log, it may be necessary to call Delta Technical Service Hot Line. A service
call checklist with necessary information for a call to the hotline is provided at
the end of the Troubleshooting guide.
Delta Technical Hotline can be reached at 1-877-440-5851 or 1-626-369-8021
6.1 Error Codes
103
Error message and Trouble Shooting
Summary of Contents for M60U
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