04 OTHER User Manual V1.5-2021-01-21
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3. Load power is lower than 150W, as battery will only discharge if load power is higher than
150W.
4. Smart Meter communication fails or CT connected in a wrong direction, which gives S-BP
wrong data.
5. Battery is not in the condition fort discharging, such as low SOC, battery communication fail
for lithium batteries etc.
Solution:
1. Make sure communication between S-BP and SmartMeter is OK;
2. Make sure load power is higher than 150W;
a. Battery will does not discharge continuously unless load power is higher than 150W;
b. If battery still not discharge when Meter power is higher than 150W, then please check
SmartMeter & CT connection and direction;
3. Make sure SOC is higher than I-DOD. Or if battery discharged to below I-DOD, than battery will
only discharge again when SOC charged to [20% + (I-DOD)]/ 2 and SOC > 105% - DOD (if battery
discharge is required immediately, battery should be restarted);
4. Check on App if it is charge time,, during charge time, battery will not discharge (battery will
charge in priority during coincident time of charge/ discharge).
Battery does not charge:
Possible reason:
1. Smart Meter communication fails or CT connected in a wrong direction, which gives S-BP
wrong data.
2. Battery is not in the condition for charging, such as high SOC, battery communication fail for
lithium batteries etc.
Solution:
1. Make sure BMS communication is OK on PV Master (for lithium batteries);
2. Check if CT is connected in the right position and in the right direction as stated in the user
manual page 13.
Questions & Answers (Q & A)
About the Wi-Fi Conguration
Q: Why can't I nd the Solar-Wi-Fi* signal on mobile devices?
A: Normally Solar-WiFi* signal can be found after inverter powered up.
Please check if Wi-Fi module is connected well, and make sure inverter is powered up normally.
Note: If Wi-Fi LED on inverter is single-blinking (0.5s on & o), then it means Wi-Fi module is not
connected or not connected well.
Q: Why can't I connect to the Solar-Wi-Fi* signal on my phone?
A: It can connect to only device at a time. So please make sure other devices are not already
connected to the signal.
Note: Please make sure the password of the Wi-Fi signal (12345678) is not wrong.
About Battery Operation
Q: Why does the battery not discharge when the grid is not available but it discharges normally
when the grid is available?
A: On the APP, the o-grid output and backup function should be turned on to force the battery
to discharge under o-grid mode.
Q: Why is there no output on the backup side?
A: For back-up supply, the Back-Up function on PV Master App must be turned on. Under o-grid
mode or grid power is disconnected, O-Grid output function must be turned on as well.
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