7. Message Description
52
immediately.
E903
SINGLE FAULT EVENT
The protection device against
hazards has a defect or a fault
that can cause a hazard has
occurred. Contact the installer
immediately.
E904
CONTINUOUSLY 3
TIMES INVERTER FAULT
When INVERTER FAULT occurs
three consecutive times,
INVERTER HARD FAIL is
considered to be occurred to
stop the operation.
Contact the installer
immediately.
E905
PV CROSS
CONNECTION
Permanent Fail
PV mis-wiring, for example
(P1+/P2-) or (P2+/P1-).
Contact the installer
immediately.
E906
Cell Over Voltage
Permanent Fail
When exceeding maximum Cell
voltage.
Contact the installer
immediately.
E907
Cell Under Voltage
Permanent Fail
When an abnormal decrease in
minimum Cell voltage is
reported.
Contact the installer
immediately.
[Table 7-10 : Significant events list]