Pecron F3000LFP / F5000LFP / F1000LFP error codes
51 codes from the official Pecron manual (F1000 LFP), each with the manual page. For 5 of them the manual says to contact an authorized service dealer.
Applies to: Pecron F3000LFP, Pecron F5000LFP, Pecron F1000LFP.
| Code | What it means | What to do | Service | Manual |
|---|---|---|---|---|
| Overload Overload alarm | Overload protection has been triggered because total power output is too high. | Disconnect some devices to reduce total power output. The alarm resets automatically once output returns to normal. OVERLOAD flashes and the buzzer sounds 2 times. | owner | p. 3 |
| 02 Low battery voltage | Battery voltage is low. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 03 Battery discharge overcurrent | Battery discharge current is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 04 Battery charge overcurrent | Battery charge current is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 05 Battery short circuit | A short circuit has been detected in the battery. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 06 Battery disconnection | The battery connection has been lost or disconnected. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 07 Battery low voltage, charging prohibited | Battery voltage is too low, so charging is blocked. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 08 Low charging temperature | Battery temperature is too low for charging. | Manual gives no specific remedy. The temperature symbol flashes and the buzzer sounds 5 times. Charging power is reduced automatically to protect the battery; this is normal. | owner | p. 14 |
| 09 High charging temperature | Battery temperature is too high for charging. | Manual gives no specific remedy. The temperature symbol flashes and the buzzer sounds 5 times. Charging power is reduced automatically to protect the battery; this is normal. | owner | p. 14 |
| 10 Low discharging temperature | Battery temperature is too low during discharge. | Manual gives no specific remedy. The temperature symbol flashes and the buzzer sounds 5 times. | owner | p. 14 |
| 11 High discharging temperature | Battery temperature is too high during discharge. | Manual gives no specific remedy. The temperature symbol flashes and the buzzer sounds 5 times. | owner | p. 14 |
| 12 Charging tube abnormality during discharging | An abnormality in the charging path was detected while the unit is discharging. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 13 Battery communication failure | Communication with the battery has failed. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 14 Battery discharge overtemperature warning | Battery is overheating during discharge; a warning is issued. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 20 Inverter overload | The inverter is overloaded. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 14 |
| 21 Inverter overtemperature | The inverter is overheating. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 22 Busbar overvoltage/undervoltage | Internal busbar voltage is outside its normal range. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 25 Inverter communication failure | Communication with the inverter has failed. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 30 DC charging input overvoltage | DC charging input voltage is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 31 DC charging input overcurrent | DC charging input current is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 32 DC charging output overvoltage | DC charging output voltage is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 33 DC charging output overcurrent | DC charging output current is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 34 DC charging output short circuit | A short circuit has been detected at the DC charging output. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 35 DC charging over-temperature | DC charging circuit is overheating. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 36 DC charging low temperature | DC charging circuit temperature is too low. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 37 DC charge port overvoltage | Voltage at the DC charge port is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 40 DC output short-circuit and overload | A short circuit or overload has been detected on the DC output. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 41 DC output overvoltage | DC output voltage is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 42 DC output overcurrent | DC output current is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 43 DC output over-temperature | DC output circuit is overheating. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 44 DC low temperature | DC circuit temperature is too low. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 45 DC output undervoltage | DC output voltage is too low. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 46 DC input undervoltage | DC input voltage is too low. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 47 DC input overvoltage | DC input voltage is too high. | Manual gives no specific remedy for this code. Other alarm interfaces show a flashing exclamation mark on the display. | owner | p. 16 |
| 51 Battery pack undervoltage | An expansion battery pack's voltage has fallen below the allowed minimum. | The manual gives no specific action for this code. | owner | p. 16 |
| 52 Battery pack discharge overcurrent | An expansion battery pack's discharge current has exceeded the allowed limit. | The manual gives no specific action for this code. | owner | p. 16 |
| 53 Battery pack charging overcurrent | An expansion battery pack's charging current has exceeded the allowed limit. | The manual gives no specific action for this code. | owner | p. 16 |
| 54 Battery pack short circuit | A short circuit has been detected in an expansion battery pack. | The manual gives no specific action for this code. | owner | p. 16 |
| 55 Battery pack disconnection | An expansion battery pack has been detected as disconnected. | The manual gives no specific action for this code. | owner | p. 16 |
| 57 Low temperature during the battery pack charging | An expansion battery pack's temperature is too low during charging. | The manual gives no specific action for this code. | owner | p. 16 |
| 58 High temperature during the battery pack charging | An expansion battery pack's temperature is too high during charging. | The manual gives no specific action for this code. | owner | p. 16 |
| 59 Low temperature during the battery pack discharge | An expansion battery pack's temperature is too low during discharge. | The manual gives no specific action for this code. | owner | p. 16 |
| 60 High temperature during the battery pack discharge | An expansion battery pack's temperature is too high during discharge. | The manual gives no specific action for this code. | owner | p. 16 |
| 01 Battery Pack Low Temperature | Battery temperature is too low, below 0°C (32°F), so charging is restricted. | Wait until the battery temperature rises above 0°C (32°F). The unit recovers automatically as the temperature increases. | owner | p. 23 |
| 15 DC Output Overvoltage | DC output voltage is above its permitted range. | Stop output. Confirm whether the connected load is appropriate. If the shutdown persists, contact PECRON. | dealer | p. 23 |
| 16 DC Output Overcurrent | DC output current has exceeded its limit. | Stop output. Confirm whether the connected load is appropriate. If the shutdown persists, contact PECRON. | dealer | p. 23 |
| 17 DC Output Overtemperature | The DC output circuit has overheated. | Stop output. Confirm whether the connected load is appropriate. If the shutdown persists, contact PECRON. | dealer | p. 23 |
| 18 Mains Voltage Abnormality | The mains (AC charging) voltage is abnormal, possibly due to inverter failure. | Stop using the unit and contact PECRON. | dealer | p. 23 |
| 19 Mains Frequency Abnormality | The mains (AC) frequency is abnormal, possibly due to inverter failure. | Stop using the unit and contact PECRON. | dealer | p. 23 |
| 23 Inverter Overtemperature | The inverter has overheated and output has stopped. | Output has stopped. Place the unit in a cool, dry location and allow sufficient heat dissipation. | owner | p. 24 |
| 24 Main Unit XT120 Cascade Port Overheating | The XT120 cascade port on the main unit has overheated and triggered protection. | Wait for it to cool down before resuming use. | owner | p. 24 |
Source: official Pecron manual, read 2026-11-01. "Owner" means the manual lists steps you can take; "dealer" means it directs you to authorized service. Fuel, gas and electrical work on generators is for qualified technicians; follow the manual's safety section.