|
Codes |
English description | Solution |
|
W00 |
Grid Volt Low |
(1) Check if the local voltage and frequency is in compliance with the machine specification; (2) If voltage and frequency are within the accepted range, then wait 2 minutes for the inverter to function normally; but if no recovery or fault repeats, please contact the local inverter customer service; (3) Contact the local power company if voltage and frequency are beyond range or unstable. |
|
W01 |
Grid Volt High |
(1) Check if the local voltage and frequency is in compliance with the machine specification; (2) If voltage and frequency are within the accepted range, then wait 2 minutes for the inverter to function normally; but if no recovery or fault repeats, please contact the local inverter customer service; (3) Contact the local power company if voltage and frequency are beyond range or unstable. |
|
W02 |
Grid FrequencyLow |
(1) Check if the local voltage and frequency is in compliance with the machine specification; (2) If voltage and frequency are within the accepted range, then wait 2 minutes for the inverter to function normally; but if no recovery or fault repeats, please contact the local inverter customer service; (3) Contact the local power company if voltage and frequency are beyond range or unstable. |
|
W03 |
Grid Frequency High |
(1) Check if the local voltage and frequency is in compliance with the machine specification; (2) If voltage and frequency are within the accepted range, then wait 2 minutes for the inverter to function normally; but if no recovery or fault repeats, please contact the local inverter customer service; (3) Contact the local power company if voltage and frequency are beyond range or unstable. |
|
W04 |
Solar Loss |
(1) PV is not connected; (2) Check grid connection; (3) Check PV availability. |
|
W05 |
Bat Loss |
(1) Battery is not connected; (2) Check if battery wiring port is short circuited; (3) Contact customer service if error warning continues. |
|
W06 |
Bat UnderVolt |
(1) Check the battery availability; (2) Contact customer service if error warning continues. |
|
W07 |
Bat Volt Low |
(1) Check the battery availability; (2) Contact customer service if error warning continues. |
|
W08 |
Bat VoltHigh |
(1) Check if the battery is in line with the presetting; (2) If so, power off and restart; (3) Contact customer service if error warning continues. |
|
W09 |
OverLoad |
(1) Wait one minute for the inverter to restart; (2) Check whether the load is in compliance with the specification; |
|
W10 |
GFCI Over |
(1) Check PV string for direct or indirect grounding phenomenon; (2) Check peripherals of machine for current leakage; (3) Contact the local inverter customer service if fault remains unremoved. |
|
W11 |
LN Reverse |
(1) Check whether the installation follows the instructions; (2) Contact customer service if error warning continues. |
|
W12 |
Fan Fault |
(1) Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
W13 |
BAT Power Down | |
|
W14 |
BMS Discharge OverCurrent | 1) Please contact the distributor. |
|
W15 |
BMS charge Over Current | 1) Please contact the distributor. |
|
W16 |
BMS OverVolt | 1) Please contact the distributor. |
|
W17 |
BMS OverTemp | 1) Please contact the distributor. |
|
W18 |
BMS Discharge LowTemp | 1) Please contact the distributor. |
|
W19 |
BMS VoltImbalance | 1) Please contact the distributor. |
|
W20 |
BMS Communicate Fault | 1) Please contact the distributor. |
|
W21 |
BMS UnderVolt | 1) Please contact the distributor. |
|
W22 |
BMS Chg Temp Low | 1) Please contact the distributor. |
|
W23 |
BMS Severe Over Volt | 1) Please contact the distributor. |
|
W24 |
BMS Severe Over Temp | 1) Please contact the distributor. |
|
W25 |
BMS Updating | 1) Please contact the distributor. |
|
W26 |
BMS Program Version Err | 1) Please contact the distributor. |
|
W27 |
BMS Program Update Fail | 1) Please contact the distributor. |
|
W28 |
CT Reverse |
(1) Perform CT self-check; (2) Contact customer service if error warning continues. |
|
W29 |
Grid Volt Lock Fail |
(1) Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
W30 |
PV off |
(1) Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
W31 |
System Reset |
(1) Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
Codes |
English description | Solutions |
|
F00 |
Soft Time Out |
(1)Restart the inverter and wait until it functions normally; (2) Contact customer service if error warning continues. |
|
F01 |
INV VoltShort |
(1) Cut off all the power and shut down all the machines; disconnect the load and plug in to restart machines, then check whether the load is short circuited if the fault has been eliminated; (2) Contact customer service if fault remains unremoved. |
|
F02 |
GFCI Sensor Fault |
(1) Cut off all the power, Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
F04 |
Bus Volt Low |
(1) Check the input mode setting is correct. (2) Restart the inverter and wait until it functions normally. (3) Contact customer service if error warning continues. |
|
F05 |
Bus VoltHigh |
(1) Check the input mode setting is correct. (2) Restart the inverter and wait until it functions normally. (3) Contact customer service if error warning continues. |
|
F06 |
Bus ShortCircuit |
(1) Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
F07 |
PV ISO Under Fault |
(1) Check for good ground connection; (2) Check if the earth resistance of PV+ and PV- is greater than 2MΩ; (3) If it is smaller than 2MΩ, check PV string for ground fault or poor ground insulation; if it is greater than 2MΩ, please contact the local inverter customer service once fault is not removed. |
|
F08 |
PV Input Short Circuit |
(1) Check the input mode setting is correct. (2) Disconnect the PV input, restart the inverter and wait until it functions normally. (3) Contact customer service if error warning continues. |
|
F09 |
Bypass Relay Fault |
(1) Disconnect the PV input, restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
F10 |
INV Curr Over |
(1) Wait five minutes for the inverter to automatically restart; (2) Check whether the load is in compliance with the specification; (3) Contact customer service if error warning continues. |
|
F11 |
INV DCOver |
(1) Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
F12 |
Ambient OverTemp |
(1) Restart the inverter, restart the machine after a few minutes of cooling, and observe whether the machine can return to normal. (2) Check if the ambient temperature is outside the normal operating temperature range of the machine. (3) Contact customer service if error warning continues. |
|
F13 |
Sink Over Temp |
(1) Restart the inverter, restart the machine after a few minutes of cooling, and observe whether the machine can return to normal. (2) Check if the ambient temperature is outside the normal operating temperature range of the machine. (3) Contact customer service if error warning continues. |
|
F14 |
Grid Relay Fault |
(1) Disconnect the PV input, restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
F15 |
DisChg CurrOver |
(1) Wait one minute for the inverter to restart; (2) Check whether the load is in compliance with the specification; (3) Contact customer service if error warning continues. |
|
F16 |
Chg CurrOver |
(1) Check if battery wiring port is short circuited; (2) Check if charging current is in compliance with presetting; (3) Contact customer service if error warning continues. |
|
F17 |
Current Sensor Fault |
(1) Restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
F18 |
INVAbnormal | (1) Please contact the distributor. |
|
F19 |
EPS RelayFault |
(1) Disconnect the PV input, restart the inverter and wait until it functions normally. (2) Contact customer service if error warning continues. |
|
F20 |
Alway Over Load | |
|
F32 |
DSP ARM SCI Fault |