Hopewind hopeSun 10KTL, Руководство пользователя

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5 Maintenance and troubleshooting
31
Fault
word
ID Fault/alarm name Cause of failure/alarm Troubleshooting
on boost side
8
Abnormal PV string
alarm
Abnormal PV string.
1. Detect whether the PV string
configuration is abnormal.
2. Check whether the battery panel
access is abnormal.
3. Check whether the battery string
current sampling is abnormal.
9
Positive
bus-to-ground
insulation alarm
Abnormal insulation
resistance of the positive
bus to the ground
Find the cause of impedance
abnormality.
10
Negative
bus-to-ground
insulation alarm
Abnormal insulation
resistance of the negative
bus to the ground
Find the cause of impedance
abnormality.

Inverter side
Fault
word
ID Fault/alarm name Cause of failure/alarm Troubleshooting
System
fault status
word
0 RAM self-test failed Detect RAM chip read and
write errors.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
1
EEPROM
parameters back to
default value
Add EEPROM parameter list
and re-upgrade the code, the
default value after initialization
is different from the default
value in EEPROM.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
2
EEPROM read and
write fault
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
3
FPGA version does
not match
FPGA and DSP versions do
not match.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
4
History failure
storage failure
History failure storage failure.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
5
Internal
communication fault Internal communication failed.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
Hardware
fault status
word
0
Hardware
overcurrent (level 2)
Peak inductor current exceeds
hardware protection threshold.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
3
Phase A hardware
overcurrent
Phase A inductor current
triggers wave-by-wave current
limit protection.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.
4
Phase B hardware
overcurrent
Phase B inductor current
triggers wave-by-wave current
limit protection.
1. Reset and check if the converter
works normally.
2. If it appears frequently, please
contact Hopewind technical staff.