Delta BX6.3 AC Series Operation And Installation Manual page 47

6 Error message and Trouble Shooting
Code Message
E01 AC Freq High
E02 AC Freq Low
E07 Grid Quality
E09 No Grid
E10 AC Volt Low
E11 AC Volt High
E12 AC Volt High
Cause
Grid frequency over the limit of
electricity regulation.
Grid frequency under the limit
of electricity regulation.
Grid harmonic distortion
>8.5% and >2.2s
Grid voltage <20V or voltage
half-cycle > 50ms
Grid voltage under the limit of
electricity regulation.
Grid voltage over the limit of
electricity regulation.
Grid voltage over the limit of
electricity regulation.
Error message and Trouble Shooting
ERROR
Check the grid frequency.
If grid frequency is not in acceptable range,
contact the utility operator to modify it.
If grid frequency lies in acceptable range
but the error still exist, please contact your
inverter supplier.
Check the grid frequency.
If grid frequency is not in acceptable range,
ask the utility operator to modify it.
If grid frequency lies in acceptable range
but the error still exist, please contact your
inverter supplier.
Check AC wiring; keep the wire short and
straight.
Contact the utility operator to improve the
grid quality.
If the grid quality is good but the error still
exist, please contact your inverter supplier.
Check the triggering of upstream circuit
breaker.
Check the wire connection between inverter
side and grid side.
Contact the utility operator for the information
about power failure.
Check the grid voltage.
If grid voltage is not in acceptable range,
ask the utility operator to modify it.
If grid voltage lies in acceptable range but
the error still exist, please contact your
inverter supplier.
Check the grid voltage.
If grid voltage is not in acceptable range,
ask the utility operator to modify it.
If grid voltage lies in acceptable range but
the error still exist, please contact your
inverter supplier.
Check the grid voltage.
If grid voltage is not in acceptable range,
ask the utility operator to modify it.
If grid voltage lies in acceptable range but
the error still exist, please contact your
inverter supplier.
47
Action