• E01 Power was lost and reapplied.
• E02 Battery Voltage has been below an acceptable level for battery type (different level for different type)
• E03 Battery Voltage has been above an acceptable level for battery type (different level for different type)
• E04 Battery Voltage has exceeded the measurement range of Smartgauge (9-17V for 12V mode and 18-34V 24V mode)

• E10 Comms have been lost between Smartbank CPU and Smartgauge.
• E11 Smartbank has attempted to operate the split charge relay but is measuring different
  voltages in the 2 batteries indicating split charging is not taking place.
• E12 Electronic Overload in Smartbank.
• E13 Disconnect adjustment is set higher than Connect adjustment, Smartbank will
  just cycle between states.

• E01 Unit has sensed input under voltage and has shut down.
• E02 Unit has sensed input over-voltage and has shut down.
• E03 Unit output has sensed overload or short circuit and has shut down.
• E04 Unit has sensed internal temperature was high and has shutdown.
• E05 Unit has sensed input voltage is low and a warning occurs.
• E06 Unit has sensed load connected is close to the overload shutdown limit.
• E07 Unit has sensed internal temperature is high and is close to the thermal shutdown limit.

• E01 Unit has sensed input under voltage and has shut down.
• E02 Unit has sensed input over-voltage and has shut down.
• E03 Unit output has sensed overload or short circuit and has shut down.
• E04 Unit has sensed internal temperature was high and has shut down.
• E05 Unit has sensed input voltage is low and a warning occurs.
• E06 Unit has sensed load connected is close to the overload shutdown limit.
• E07 Unit has sensed internal temperature is high and is close to the thermal shutdown limit.
• E12 Internal transfer switch temperature is high and shutdown occurs.

• E01 Unit has sensed input under voltage and has shut down.
• E02 Unit has sensed input over-voltage and has shut down.
• E03 Unit output has sensed overload or short circuit and has shut down.
• E04 Unit has sensed internal temperature was high and has shut down.
• E05 Unit has sensed input voltage is low and a warning occurs.
• E06 Unit has sensed load connected is close to overload shutdown limit.
• E07 Unit has sensed internal temperature is high and is close to the thermal shutdown limit.
• E10 Battery charging voltage is too high.
• E11 Battery not accepting charge.
• E12 Internal transfer switch temperature is high and shutdown occurs.

• E01 Unit has sensed input under voltage and has shut down.
• E02 Unit has sensed input over-voltage and has shut down.
• E03 Unit output has sensed overload or short circuit and has shut down.
• E04 Unit has sensed internal temperature was high and has shut down.
• E05 Unit has sensed input voltage is low and a warning occurs.
• E06 Unit has sensed load connected is close to the overload shutdown limit.
• E07 Unit has sensed internal temperature is high and is close to the thermal shutdown limit.
• E10 Battery charging voltage is too high.
• E11 Battery not accepting charge.
• E12 Internal transfer switch temperature is high and shutdown occurs.
• E14 Display Panel has comms error.
• E15 AC back feed to Unit AC output.
• E16 Internal fault. Unit is damaged.
• E17 AC input current withdrawn from the unit is close to the set AC circuit breaker rating.
• E18 AC input current drawn by the unit is beyond the current rating of the transfer switch.
  AC output switch is switched off.
• E19 Battery temperature sensed by BTS is >60 degrees C. Battery charging cycle
  terminates.
• E20 Battery temperature sensed by BTS is >55 degrees C and is close to battery temperature thermal shutdown.
• E21 Battery temperature sensed by BTS is <0 degrees C. Battery charging cycle terminates.

• E01 CH3 High Input Voltage shut down.
• E02 CH3 Low Input Voltage shut down.
• E03 CH2 High Input Voltage shut down.
• E04 CH2 Low Input Voltage shut down.
• E05 CH1 High Input Voltage shut down.
• E06 Over temperature shutdown (internal temperature > 65 degrees C).
• E07 BTS Over temperature shut down.
• A01 Over temperature warning (internal temperature > 60 degrees C).
• A02 BTS High-Temperature Warning.

Red led on panel blinks;

• One flash in a row – Battery related. High/low voltage, high/low temperature, high DC ripple.
• Two flashes in a row – AC overload, AC short circuit.
• Three flashes in a row – High Temperature Shut down.

Red led on panel blinks;

• One flash in a row – Battery related. High/low voltage, high/low temperature, high DC ripple.
• Two flashes in a row – AC overload, AC short circuit.
• Three flashes in a row – High Temperature Shut down.
• Four flashes in a row – Device internal error.
• Five flashes in a row – Charge program error.

Red led on panel blinks;

• One flash in a row – Battery related. High/low voltage, high/low temperature, high DC ripple.
• Two flashes in a row – High/low AC input voltage.
• Three flashes in a row – High Temperature Shut down.
• Four flashes in a row – Device internal error.

• E01 AC Input Voltage too low.
• E02 AC input voltage too high.
• E03 Battery connected to the charger with incorrect polarity.
• E04 Charger runs too hot.
• E06 BTS measures too hot.
• E07 BTS measures too low.
• E08 DC output fuse blown due to incorrect polarity.
• E09 Voltage of connected battery is too high.