Installation Manual

Table Of Contents
9. Problem Confirmation
9.2 Significant Events
If a significant event is notified, the system is set to stop operation. If that is the case, contact
your installer to restore the system to normal operation.
Type Code Description Measures
Significant E901 SPI
COMMUNICATION
EVENT
Occurs on internal non-communication
between the INVERTER.
Contact the installer immediately.
E902 CAN (Controller
Area Network)
COMMUNICATION
EVENT
Occurs on non-communication with the
EMS.
When in operation, the All In One System
is converted to the Stand Alone mode.
Contact the installer 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. Contact the installer
immediately.
E904 CONTINUOUSLY 3
TIMES INVERTER
FAU LT
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 Cell Max voltage.
Contact the installer immediately.
E907 Cell Under Voltage
Permanent Fail
When an abnormal decrease in Cell Min
voltage is reported.
Contact the installer immediately.
[Table 9-9: Significant events list]
78 United Kingdom (Eng.) 05/2015. Rev1.1