7. Troubleshooting
The BMS only enters alarm state when the operation of the battery is outside of the limits of the battery to
operate safely.
During normal operation there will be a voltage across the terminals of the batteries. If the BMS activates its
protection circuit, once the fault is cleared the battery should restart without external assistance.
The scenario where this may not occur is on low volt disconnect (battery cell voltage low). In this instance
the battery will keep its discharge circuit open and will only allow a charge. The battery output will read <4V.
Note: Your installer or PowerPlus Energy should be consulted if your battery will not activate.
7.1. Over Discharged Battery Recovery
7.1.2. BMS Threshold Soft Shutdown
Soft shutdown occurs if the voltage in the battery reaches a designated LOW level. In the soft shutdown
state, the battery will not provide a DC voltage at its terminal (voltage will be <4V) until the system has been
reset.
The battery will not deliver power to a load from its DC terminals until the battery module reaches a
designated recovery voltage.
7.1.3. Soft Shutdown Recovery
This procedure is a guide and should be performed by suitably qualified person.
Eco4840P
1. Shutdown system following your shutdown procedure.
2. Ensure all loads are switched off.
3. Turn off battery/s via DC circuit breaker and wait 30 seconds.
4. Turn on battery/s via DC circuit breaker.
5. Wait for battery Main Status LED to illuminate.
6. Connect and turn on site PCE.
7. If the PCE starts up, please action a full charge cycle to occur.
8. If battery will not turn on or remain on long enough start a PCE charge. Please follow Hard Shutdown
Recovery.
Eco P Series Installation Manual V3.0
21/10/2021
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