AmpliPHI 3.8kWh Battery Installation Manual

Table Of Contents

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6.0 – Troubleshooting

Certain AmpliPHI BMS fault trip conditions (outlined in Section 1.3.1 and Table 1.0 of this Manual) result in the

need for a manual re-set of your AmpliPHI Battery’s internal BMS. If a fault has occurred, consult SimpliPhi

Technical Support (TechSupport@SimpliPhiPower.com) to ensure that your AmpliPHI Battery bank has been

sized correctly and inhabits operational conditions.

Once the fault’s cause has been addressed with Support, take the following steps to re-set the BMS:

The PHI batteries are reading extremely low or no voltage:

1. If the breakers are not all off already, turn off each of the built-in breakers in all of the AmpliPHI

Batteries in the battery bank.

2. Turn off the main DC disconnect located in the inverter’s power panel, between the battery bank and

the inverter.

3. Turn off the main breaker at the top of the inverter’s AC distribution panel or sub-panel.

4. Wait 5 minutes, for the BMS in each battery to re-set itself.

5. Use a multi meter to take voltage measurements of each AmpliPHI battery in the battery bank, to

make sure the voltage increased to the minimum voltage necessary for the inverter to turn on.

To measure a single battery’s voltage within a battery bank, only the battery being measured has its built-in

breaker in the ON (I) position; all other batteries in the bank must have their built-in breakers OFF (0).

6. Turn on each of the built-in breakers in all of the AmpliPHI Batteries in the battery bank and wait 20

seconds

for the BMS to re-boot.

7. Turn on the main DC disconnect located in the inverter’s power panel.

8. Check that all parameters in the Balance of System equipment are programmed according to the

relevant SimpliPhi Integration Guide. Failure to do so will damage the PHI batteries and Void the

Warranty.

9. To charge the batteries quickly, SimpliPhi recommends using an AC power source to immediately

charge the PHI battery bank via the inverter’s charger. However, the AmpliPHI batteries will not incur

any damage if they are charged using a connected solar PV array via the charge controller. The

important aspect of this step is that the batteries re-charge as soon as the BMS has re-set.

10. Turn on the inverter’s AC Input breaker and turn on the inverter.

11. The inverter should automatically self-initiate a battery charge. However, a Force Charge may need to

be initiated in the inverter.

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