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Fault codes › Generac › Generac PWRcell Inverter (X7602, XVT076A03, XVT114G03)

Generac PWRcell Inverter 0X770D

Code
0X770D
Page
68
ID
fc:generac-pwrcell-inverter-0x770d
IRI
https://solarlattice.org/kb/fc/generac-pwrcell-inverter-0x770d
Status
active
Also known as
0X770D, 0x770d, Generac 0X770D
Category
Inverters
Class not stated
Production not stated
Clears not stated

Decoded

Reports abnormal grid phase angle; confirm with grid voltage measurement; do: AC connection check.

What can be behind Abnormal grid phase angle

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

Solis
Solis S6-GC PHASE FAULT, Solis S6-GU PHASE FAULT

Claims

defined_in

c1 drafted · lead Generac PWRcell 1ph Inverter install and owners manual rev J

reports

c2 verified · fact Abnormal grid phase angle

verified by: review-workflowverified on: 2026-10-23

detected_by

c3 drafted · lead Grid voltage measurement

review note: support check: partial - Corrective action says to check voltage measurement, but detection by grid voltage measurement isn't explicitly stated.

mitigated_by

c4 verified · fact AC connection check

verified by: review-workflowverified on: 2026-10-23

applies_to

c5 drafted · lead Generac PWRcell Inverter (X7602, XVT076A03, XVT114G03)

Data