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Daniel SosaAug 25, 2025
Why does my Phocos Inverter show error A011?
- EEugene NovakAug 25, 2025
If the Phocos Inverter displays error A011, it indicates that the public grid disconnected. Check if the inverter AC connection is correct.







Why does my Phocos Inverter show error A011?
If the Phocos Inverter displays error A011, it indicates that the public grid disconnected. Check if the inverter AC connection is correct.
What does error E015 mean on a Phocos Inverter?
If the Phocos Inverter is showing error E015, it means there is a short-circuit.
What does error E014 mean on a Phocos Inverter?
If the Phocos Inverter shows error E014, it means there is high DC injection during AC output.
What does alarm A001 mean on a Phocos Inverter?
If the Phocos Inverter shows alarm A001, this indicates Input undervoltage PV1 undervoltage PV2 undervoltage.
What does alarm A002 mean on a Phocos Inverter?
If the Phocos Inverter shows alarm A002, this indicates Bus undervoltage DC input.
What does error E004 mean on a Phocos Inverter?
If the Phocos Inverter shows error E004, it indicates a voltage-boost fault of the inverter.
What does alarm A007 mean on a Phocos Inverter?
If the Phocos Inverter shows alarm A007, this indicates wrong settings.
What does alarm A009 mean on a Phocos Inverter?
If the Phocos Inverter shows alarm A009, this indicates stop by the operation panel or external control.
What to do if AC source exists but Phocos Battery Charger works in Off- Grid / battery mode?
If your Phocos Battery Charger is operating in Off-Grid/battery mode even when an AC source is available, it could be due to several reasons. First, check if the input circuit breaker has tripped and ensure the AC wiring is correctly connected. Another cause might be insufficient quality of AC power. In this case, verify that the AC wires aren't too thin or too long, and if you're using a generator, confirm it's working correctly and the input voltage range setting is appropriate. You might try switching from UPS mode to Appliances mode in the device operation settings. Also, check if “Solar / PV First” is set as the priority of the AC output source, if so, change output source priority to “AC input / utility first”.
How to fix Phocos Battery Charger when the unit shuts down automatically during start-up process?
If your Phocos Battery Charger shuts down automatically during the start-up process, it's likely because the battery voltage is too low (less than 45.84V/22.92V for the 48V/24V model). To resolve this, first try to re-charge the battery. If the issue persists, you may need to replace the battery.
| Brand | Phocos |
|---|---|
| Model | Any-Grid Series |
| Category | Battery Charger |
| Language | English |
Crucial safety warnings and precautions for installation and maintenance.
Detailed steps and warnings for safely connecting the battery to the unit.
Instructions for connecting the AC power source and loads to the inverter.
Guidance on connecting the solar PV array to the inverter, including voltage/current limits.
Instructions for connecting multiple Any-Grid units in various system configurations.
Guide to navigating and setting various operational parameters of the inverter.
Lists fault codes, their events, and corresponding screen views for troubleshooting.
Lists warning codes, associated events, audible alarms, and screen views.
Addresses problems like unit shutdown, no response, AC source issues, and relay problems.
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