Illustrate
Trigger Reason
Solution
Disch
Screen Blank
1. Check WHETHER the Battery Circuit Breaker, PV Circuit Breaker, and AC in Circuit Breaker Are Closed?
2. WHETHER the SWITCH is in the "on" state;
3. Press Any Button on the Screen to exit the screen sleep mode.
4. After Performing the Above Operations, if there are still problems, please contact us.
【01】
Battery UnderVoltage Protection
(Software Protection)
1. Check the battlery type, when it corresponds to the battle set by the machine. (Parameter: ITEM 08).
2. Check WHETHER the Actual Voltage Value of the Battery is Lower than the setting value of 14 Parameters.
If the voltage is low, the 14th parameter value, please charge the battle, and when the battery voltage is giveer than the 14th parameter value
3. After Performing the Above Operations, if there are still problems, please contact us.
【02】
Battery Average Discharge Current Overcurrent (Software Detection)
There are two ways to eliminate the 02 fault:
1. Manual reset: Power Off And RESTART The Machine.
(BeFore Restarting, Please Disconnect The Mains, Photovoltaic Input, And Load, and only use battered power))
2. Automatic Reset: Within 10 Minutes, The Battery Discharge Current is Lower than 118a.
(That is, Reduce the load and charge the battlela. Confirm the battle voltage. Generally, The Battery Voltage is too low in the range of 5K/118a = 42.37)
3. After Performing the Above Operations, if there are still problems, please contact us.
【03】
Battery Missing Warning
1. Check WHether The Battery is connected normal?
2. Check WHETHER the Ship Type Switch is not turned on (on -wepen)
3. The Lithium Battery May be in a Protected state. Set the 08 Parameter to the Lithium Battery Mode, Connect to the Photovoltaic Panel or MAINS, and CHARGE to action the battle.
5. Power Off And Restart the Machine.
6. After Performing the Above Operations, if there are still problems, please contact us.
【04】
Battery Over-Discharge Protection
(Software Protection)
1. Measure the actual voltage of the battery or check the display screen of the machine to dispay the actual voltage of the battery, the whise is slow the 12 Parameter Values:
1.1. Please Continue to Charge the Battery. After the Battery Voltage Is Higher than the 35 Parameter Values, The Fault Will Be Automatic Eliminated.
1.2. If the battery voltage is higher than the 35 parameter values after charging, and the fault is not eliminated, please power off and restart the machine.
2. Measure the actual voltage of the battery or check the display screen of the machine to dispay the activity voltage of the battery, the whise is higher than the 12 Parameter Values:
2.1. Please Continue to Charge the Battery. After the Battery Voltage Is Higher than the 35 Parameter Values, The Fault Will Be Automatic Eliminated.
2.2. If the battery voltage is higher than the 35 parameter values after charging, and the fault is not eliminated, please power off and restart the machine.
2.3. Manual Reset: Power Off And RESTART The Machine.
3. After Performing the Above Operations, if there are still problems, please contact us.
【05】
Battery OverCurrential Protection
(Hardware Detection)
1. Power Off And Restart the Machine.
;
3. After restArting the Machine with only the battery, if the fault 05 is constinuously triggegered and cannot be reset with 3 minutes, there is a proplem impity, the mason.
4. After Performing the Above Operations, if there are still problems, please contact us.
【06】
Battery Overvoltage Protection
1. Disconnect the PV and MAINS POWER, RESTART The Machine,
3. Check When the Voltage On the Machine Display is Consistent with the Actual Battery Voltage. If the displayed voltage is inconsisisisisisisisisisisis, the action values, all
4. Check WHether The Battery input Voltage Is within the Range of the Machine. If it is not without, disconnect the input and connect to the battle
5. After Performing the Above Operations, if there are still problems, please contact us.
【07】
Internal battery Battery Battery Battle
【08】
Internal battlery,
【09】
PV Input Overvoltage
1. Use a Multimeter to check the PV Input Voltage, WHETHER It Exceeeds or is very close to the allowable input voltage of the machine?
If Yes, Please Reduce the Number of PV Modules Connected in Series so that the pv matches the input voltage of the machine.
2. After Performing the Above Operations, if there are still problems, please contact us.
【10】
PV Charging Overcurrent Software Protection
【11】
PV Charging Overcurrent Hardware Protection
【12】
Master-SLAVE CHIP SPI Communication Failure
【13】
Bypass Overload (Software Detection)
【14】
Inverter Overload (Software Detection)
【15】
Inverter Overcurrent (Hardware Detection)
1. Automatic Reset: Automatic Reset with 5 Minutes;
2. Manual reset: Reduce the load power, power off and restart the machine. (After connefirming that the machine displays an off screen, start the machine)
3. After Performing the Above Operations, if there are still problems, please contact us.
【16】
Slave Chip Request Shutdown Fault
1. Power Off And Restart the Machine.
2. After Performing the Above Operations, if there are still problems, please contact us.
【17】
Inverter Short Circuit Protection
1. Carefully Check the load connection and clear the short-circuit faces;
2. Disconnect all wires from the machine, and only connected the battery to the machine.
3. Power Off And Restart the Machine.
4. If it is used in paradlel with the machine, please check when 31 Parameters are setting correctly.
5. After Performing the Above Operations, if there are still problems, please contact us.
【18】
Bus soft start fault
1. Power Off And Restart the Machine.
2. After Performing the Above Operations, if there are still problems, please contact us.
【19】
PV SIDE RADIATOR OVER-Temperature Protection
(Software Detection)
【20】
Inverter Radiator Over-Temperature Protection
(Software Detection)
【twenty one】
FAN FAILURE (Hardware Detection)
1. After shutting down, turn on the fanually to check when theReign matter blocking.
2. Remove the Lower Cover and Manually Toggle The Fan to See If the Cooling Fan is Blocked by Paper Jam in the Air Duct.
3. Check WHETHER the FAN WIRING IS Connected Properly "EUROPEAN Standard Has 2 Fans, American Standard Has 3
4. Replace the fan to rule out ofTher the Fan is damaged.
5. After Performing the Above Operations, if there are still problems, please contact us.
【twenty three】
Model error
1. Contract us for Direct Remote Control (Prepare Computer, Install Host Computer Software, USB2.0 Cable, Install SUNFLOWER Remote Control Software)
2. Proven A Photo of the nameplate on the size of the machine and record the real-time parameters of the display screen.
【25】
Bus short circuit
Please contact us.
【26】
Input Relay Short Circuit
1. Disconnect the PV, MAINS and LOAD, RESTART The Machine, and Only Connect The Battery; See If the Fault Will Be Eliminated.
If the fault is eliminated, power on one by one (PV, Mains, load).
2. If it is triggered again after restarting, please contact the manufacturer
3. After Performing the Above Operations, if there are still problems, please contact our company (rePlace the relay or check the relay).
【28】
Mains Input Phase Error
1. Check The 39 Parameters of the Machine to Determine WHETHER It NEEDS SINGLE-PHASE or Split-PHASE Input and Output?
2. Single-pHASE input and Output is required: 39 items are set to 0,
The L1 and L2 Phauses of the Mains input Terminals of the Machine are connected in Parallel to Form the Same Phase.
3. Phase-seaPalated input and output are required: 39 items are set to 180,
The Mains Input Terminals L1 and L2 of the Machine Respectively Input The Corresponding Phasees of the Mains.
4. After Performing the Above Operations, if there are still problems, please contact us.
【29】
BUS UnderVoltage Fault
1. Check When the Battery Voltage is Low,
2. Manual reset: Power OFF and RESTART The Machine.
2.1. Check WHETHER a Fault is reported. If the fault is eliminated, charge the battery in time to res, the load.
2.2. If it does not return to normalal, there is a proplem on the boost sitting, please contact our company.
3. Automatic Reset: Automatical Reset after 5 Minutes;
4. After Performing the Above Operations, if there are still problems, please contact us.
【30】
Alarm When the Battery Capacity Rate is Lower than 10%
【31】
Alarm when the battleRery capacity rate is low 5%
【32】
Low Battery Shutdown
【34】
Parallel Can Communication Failure
1. Check WHETHER the DB15 Black Communication Line Under The Device is Connected Normally.
2. WHETHER The Parallel Machine Communication Line is Connected in The Correct Way According to the Manual
3. After performing the Above Operations, if there are still problems, please contact our company.
【35】
Parallel Machine ID Setting Error
1. Check the [30] Setting Parameters of Each Device to See if there are duplicate id addresses.
2. After Performing the Above Operations, if there are still problems, please contact us.
【37】
Parallel Current Sharing Fault
1. Check WHether The 2P Red and Black Current Equalizing Wires Under The Device Are Not Properly Connected.
2. IS It Connected in the Correct Way According to the InstRuction Manual
3. When Single-Phase Paralleling, Check that Each Machine L and l, n and n of accined
4. After Performing the Above Operations, if there are still problems, please contact us.
【38】
Parallel Mode, Battle Voltage Difference Is Large (Software Detection)
【39】
In Parallel Mode, The Mains Input Source is Inconsistent
【40】
Parallel Mode, Hardware Synchronization Signal Failure
1. Makes the anput power file is stable.
2. The Machine is only connected to the batter, and RESTARTS When the Power is Off
3. After Performing the Above Operations, if there are still problems, please contact us.
【41】
Inverter Voltage DC Component is Abnormal (Software Detection)
1. The Machine is only connected to the battery, and restarts when the power is off
2. After Performing the Above Operations, if there are still problems, please contact us.
【42】
Parallel Program Versions are inconsisistent
1. Check WHether The Software Version of Each Machine Is Consistent
2. Record The Real-Time Data Video of the Machine, and the Specific Program can be viewed above.
3. Contract the manufacturer to assist in upgrading the program for the machine.
【43】
Parallel Mode, Parallel Wiring Fault
1. Determine the required Parallel Mode: SINGLE-PHASE PARALLEL Or Three-Phaser Parallelllll
2. Adjust The Parameters of Each Machine to [31].
SIG (Standalone Mode)
PAL (Single Phase Parallel)
2p0/2p1/2p2 (TWO-PHASE PARALLEL Operation): (Required for this detaild operation, Please Refer to the solution to 45 faults)
3p0/3p1/3p2 (Three-Phase Parallel Operation): (Required for this detaild operation, please refer to the solution to 45 faults)
3. Check WHETHER the DB15 Black Communication Line Under The Device is Connected Normally.
4. After Performing the Above Operations, if there are still problems, please contact us.
【44】
Serial Number Information Error
1. Power off and restart.
2. Replace a Machine for Parallel Operation.
3. Contract the manufferr to assist in Changing the Serial Number of the Machine.
【45】
Parallel Mode Setting Error
(only the host reports failure)
【57】
Leakage Current Exceeding Protection
【58】
BMS Injection Molded Parts Communication Error
【59】
BMS Alarm
【60】
BMS BATTERY LOW TEMPERARM
【61】
BMS Battery Over Tempeature Alarm
【62】
BMS Battery Overcurrent Alarm
【63】
BMS Battery UnderVoltage Alarm
【64】