49
20
Negative phase
PHASE
REVERSE
Negative phase
Rewire the output cable.
21
Grid (phase)
overvoltage
InsLine xN
OV,
AvgLine xN
OV
Grid R, S, and T phase
overvoltage
Contact the service center.
22
Grid (phase)
undervoltage
AvgLine xN
UV
Grid R, S, and T phase
undervoltage
Contact the service center.
6.5 Types of Warnings and Corrective Actions
No.
Type of
Error
Display
Cause of Error
Corrective Action
1
Warning of
lifespan limit
LIFE_W
Warning for lifespan
of main parts
Contact the service center.
2
Output current
warning
LIMIT_O
Maximum output
current
limit notice
When grid voltage is decreased and the inverter’s
current is over Max. value, there can be limited
current.
3
Input current
warning
LIMIT_I
Maximum input
current
limit notice
Contact the service center.
4
Temperature
current limit
LIMIT_D
Output limit notice
according to
temperature
Contact the service center.
5
FAN warning
FAN_W
FAN failure notice
Contact the service center.
6
PV module
power shortage
PV Low
Power
PV module power
shortage
Please wait until PV power can be or over
the minimum power
7
PV SPD
FAULT
PV SPD
Error
PV SPD Fault
Contact the service center.
8
GRID SPD
FAULT
AC SPD
Error
GRID SPD Fault
Contact the service center.
