9.2 Routine Maintenance
Ø Safety inspections
Ø Regular maintenance
Troubleshooting Troubleshooting
Only qualified people can do the following work.
114
115
BMS_BreakFault
Battery Unbalanced Failure
• Please contact the battery supplier.
BE 027
BMS_Flash_Fault
Battery hardware protection failure
Please contact the battery supplier.•
BE 028
BE 029
BE 030
BMS_Precharge_Fault
BMS_AirSwitch_Fault
Number
BMS_TempdiffErr
Battery temperature sensor malfunction
Please contact the battery supplier.•
BE 026
Battery precharge failure
Please contact the battery supplier.•
Battery air switch failure
• Check that the battery breaker is off.
• Please contact the battery supplier.
If the information panel of your inverter does not show the fault light, check
the following list to ensure the current installation status, correct operation.
------Is the inverter located in a clean, dry and well-ventilated place?
------Is the DC input circuit breaker open?
------Is the specification and length of the cable adequate?
------Are the input and output connections and wiring in good condition?
------Is the configuration set correct for your particular installation?
Please contact our customer service for further assistance. Please be prepared to describe
the details of your system installation and provide the inverter serial number.
Inverter do not require any maintenance or correction in most cases, but
if the inverter often loses power due to overheating, this can be
attributed to the following reason:
heat sink behind the inverter is covered with dirt. If necessary, clean the
cooling heat sink with a soft dry cloth or brush. Only trained and
authorized professionals familiar with safety requirements can perform
maintenance and maintenance work.
Safety checks should be conducted at least every 12 months, please
contact the manufacturer to arrange for appropriate training, expertise,
and practical experience in performing these tests. (Please note that this
action is not covered by warranty).
These data should be recorded in the device log. If the equipment is not
running properly or any test fails, the equipment must be repaired for
details of safety inspections, refer to section 2 of this manual for safety
instructions and European commission instructions.
In the process of using frequency converter, the manager should check
and maintain the machine regularly. The specific operation is as follows.
1. Check whether the heat sink is covered with dirt, clean the inverter
and absorb dust if necessary. This work should be performed from time
to time.
2. Check whether the frequency converter indicator is normal, check
whether the frequency converter button is normal, check whether the
frequency converter display is normal. This inspection should be
conducted at least every 6 months.
3. Check the input and output lines for damage or aging. This inspection
should be conducted at least every 6 months.
4. Cleaning and safety inspection of PV modules shouldbecarriedoutat
leastonceevery6months.