Delta BX6.3 AC Series Operation And Installation Manual page 48

Error message and Trouble Shooting
Code Message
E13 AC Volt High
Insulation
E34 (Insulation
Fault)
Table 6-1 : Error Message
Cause
Grid voltage over the limit of
electricity regulation.
BT to ground Impedance in
either input < 550 kohm
ERROR
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 insulation of DC wiring.
For Delta cloud registered user, system will
send alarm message to your e-mail when
this Error code occurred.
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Action