Solar error codes

120 codes from 10 manufacturers, each with its meaning and the document it comes from. Open a code for the details, or search every system.

Furrion MPPT / Renogy (1)

• Solid redFault - typically wiring (reversed polarity), battery isolated, or short on output

Furrion MPPT solar controller (2)

• Solid greenBattery fully charged or in float charge stage (active charging = FLASHING green, not solid green)
• Flashing greenMPPT actively charging the battery (bulk / absorption charging)

Go Power (18)

• Solar Panel Reverse ConnectionSolar panel reverse polarity (- wire on the + post / in-line connector reversed). The GP-PWM-30-SQ shows…
• Solar Panel Over-Voltage (>26.5 V)Solar panel open-circuit voltage above 26.5 V at the controller input (LCD 'Solar panel over voltage (>…
• Solar Panel Weak / AbnormalSolar panel weak / low PV power (LCD 'Solar panel weak', flashing LED, LCD backlight ON). Normal at night; in…
• Battery Disconnected (<3.0 V)Battery disconnected or below 3.0 V at the battery input (LCD 'Battery disconnected or less than 3.0V'…
• Battery Reverse ConnectionBattery reverse polarity (red/black swapped at the controller's battery terminals). LCD 'Battery reverse…
• Battery Over-Voltage (>17.5 V)Battery-input voltage above 17.5 V (LCD 'Battery over voltage than > 17.5V', flashing LED) - typically…
• 32Controller cannot detect a battery — 5-pulse wake-up sequence failed (LiFePO4 BMS in deep-discharge or…
• 31Reported by the controller as the named status 'Charge Temperature Limits Violation' (not a numbered fault…
• E1Battery over-discharge -- output/charging cut to protect an over-discharged battery
• E2System over-voltage -- battery-bank voltage above the safe upper limit
• E3Battery under-voltage warning -- battery voltage below the controller's threshold
• E4Load short circuit on the controller's LOAD output
• E5Load overloaded -- LOAD-terminal draw exceeds the controller's rating
• E6Over-temperature inside controller -- internal/heatsink temperature too high
• E7Photovoltaic component overloaded -- PV input exceeds the controller's power rating
• E8Photovoltaic component over-voltage -- PV input above the controller's maximum voltage
• E9Photovoltaic component reversely connected -- solar + / - reversed at the PV input
• Battery Over-Temperature (>65 C)Battery temperature above 65 degC (LCD 'Battery temperature over 65C', flashing LED). Charging is inhibited…

Jaboni (5)

• High battery voltageThe battery bank is receiving charge from another controller (parallel charging source), or a battery cable…
• Low battery voltageThe battery bank is discharged, or one or more batteries are damaged. After clearing the cause, press the…
• High temperaturePoor ventilation around the unit, high ambient temperature, or continuous overload current (controller…
• High output currentA load was connected suddenly to the battery bank, or there is a short circuit at the output. After clearing…
• High solar panel voltageThe solar array (PV) voltage is higher than the charger limit (45 VDC max array; use an array rated for 12…

Renogy Rover (9)

• E0No error detected - the Rover is operating normally.
• E1Battery over-discharged - the controller's low-voltage disconnect (LVD) has cut the load to protect the…
• E2Battery over-voltage - battery voltage is above the safe limit; charging is suspended until it drops.
• E3Battery under-voltage - battery voltage is below the configured threshold.
• E4Load short circuit - the load output is shorted; the controller has disconnected the load.
• E5Load overloaded - load current exceeded 1.05x the rating; the controller disconnected the load.
• E6Controller over-temperature - the heat-sink temperature is too high. The Rover reduces charge current above…
• E8PV input over-current - solar input current exceeds the limit; charging current is limited to the rating.
• E10PV over-voltage - PV input voltage exceeds the 100 VDC maximum; PV stays disconnected until it drops below…

Rich Solar RS-MPPT50P (7)

• P-01Solar panel reverse connection — PV leads polarity-swapped at controller
• P-02Solar panel over-voltage (PV Voc > 95 V)
• b-01Solar panel is connected but battery is disconnected (or battery connection lost)
• b-02Battery reverse connection
• b-03Battery over-voltage (>17 V on a 12 V system)
• b-04Battery temperature over 65°C (via battery temperature sensor)
• OTPController over-temperature protection — charging current de-rates automatically

Rich Solar RS-PWM30P (9)

• E0No error — normal operating display
• E1Battery over-discharge — voltage fell below low-voltage disconnect threshold
• E2Battery over-voltage
• E3Under-voltage warning (approaching over-discharge threshold)
• E4Load short circuit
• E5Load overload — exceeds 30 A rated load current
• E6Temperature too high inside controller
• E8Charging current too high — exceeds 30 A
• E10Solar panel input voltage too high

Victron Multi RS Solar (53)

• 2Battery voltage too high
• 3Remote temperature sensor failure
• 4Remote temperature sensor failure
• 5Remote temperature sensor failure (connection lost)
• 6Remote battery voltage sense failure
• 7Remote battery voltage sense failure
• 8Remote battery voltage sense failure (connection lost)
• 11Battery high ripple voltage
• 17Controller overheated despite reduced output current
• 20Maximum Bulk-time exceeded
• 22Internal temperature sensor failure
• 23Internal temperature sensor failure
• 27Charger short circuit
• 29Overcharge protection
• 33PV overvoltage
• 34PV overcurrent
• 35PV over power
• 41Inverter shutdown (panel isolation resistance too low)
• 42Inverter shutdown (ground current too high >30mA)
• 43Inverter shutdown (ground fault)
• 50Inverter overload, inverter peak current
• 51Inverter temperature too high
• 52Inverter peak current
• 53Inverter output voltage
• 54Inverter output voltage
• 55Inverter self test failed
• 56Inverter self test failed
• 57Inverter AC voltage on output
• 58Inverter self test failed
• 59AC-IN1 relay test fault
• 65Communication warning
• 66Incompatible device
• 67BMS Connection lost
• 69Network misconfigured
• 70Network misconfigured
• 71Network misconfigured
• 72Phase rotation
• 73Multiple AC inputs
• 74Too many units in parallel
• 75Network misconfigured
• 76Network incomplete
• 77Settings sync disabled
• 116Calibration data lost
• 117Incompatible firmware
• 119Settings data lost
• 121Tester fail
• 200Internal DC voltage error
• 201Internal DC voltage error
• 202Internal GFCI sensor error
• 203Internal supply voltage error
• 204Internal supply voltage error
• 212Internal supply voltage error
• 215Internal supply voltage error

Victron SmartSolar MPPT (9)

• 1Battery temperature too high
• 18Solar charger over-current
• 21Current sensor issue
• 26Terminal overheated
• 28Power stage issue
• 38PV Input shutdown
• 39PV Input shutdown
• 40PV Input failed to shutdown
• 80-88PV Input shutdown series

Zamp (7)

• b01Battery Disconnected - controller cannot detect a battery bank
• b02Battery Reverse Connection - battery wires reversed
• b03Battery Over Voltage - input to battery terminals exceeds 17.5 V
• b04Battery Over Temperature - battery core over 65 C (149 F)
• p01Solar Panel Reverse Connection
• p02Solar Panel Over Voltage - greater than 26.5 V
• oTpController Over Temperature Protection - controller over 65 C (149 F) while charging