H6 Hybrid Inverter - Installation & Operation Guide
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10.3.2 - Faults
The SolarCity H6 inverter can display the following faults, which can be corrected as
described below:
6 Yellow LED
blinking once
per second
Grid overVolt Grid over-voltage
fault detected.
System is idle
because no PV or
battery pack energy
is available.
N/A
7 Yellow LED
blinking once
per second
Fireman connection
weak.
Fireman Switch
voltage is out of
range.
Replace the Fireman
Switch.
# LED Display Cause Solution
1 Red LED on AC overload AC overload in off-
grid due to excessive
load or insufficient
available energy.
Press [ESC] to clear
the fault.
2 Red LED on RCD-Fault N/A N/A
3 Red LED on ARC Fault N/A N/A
4 Red LED on Isolation Fault N/A N/A
6 Red LED on Over temp.
protection
N/A N/A
9 Red LED on PV over voltage fault N/A N/A
10 Red LED on Error internal
communication
N/A N/A
11 Red LED on System fault in
inverter
HvDc OVP. N/A
12 Red LED on System fault in
inverter
PFC mode fault. N/A
# LED Display Cause Solution
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