0X02

UnclassifiedCooling

What This Code Means

AC breaker is OPEN or has tripped.; DC supplementary surge protector has expired.; DC breaker is OPEN or has tripped.; No other devices are found on SENSbus.; No module power boards are found on SENSbus.; Invalid configuration of one or more power modules in the unit.; A power module in the unit has faulted.; High Battery Temperature alarm; Unit has shut off for safety precautions due to high battery temperature; Charger's output ripple is above High AC Ripple Detection alarm setpoint; Charger has detected that the output is not connected to anything; Charger Low Temperature alarm; Battery Low Temperature alarm; An AC phase is missing or out of range; Maximum AC Voltage has gone above max AC voltage allowed by the charger on any phase; Output has been disabled; AC Voltage has gone below AC Min Voltage alarm setpoint; AC Frequency is outside of the AC High Frequency and AC Low Frequency alarm setpoints; AC Voltage is above the AC Max Voltage alarm setpoint; Settings for this channel are

Possible Causes

  • A power module in the unit has faulted.
  • AC Frequency is outside of the AC High Frequency and AC Low Frequency alarm setpoints
  • AC Voltage has gone above max AC voltage allowed by the charger on any phase
  • AC Voltage has gone below AC Min Voltage alarm setpoint
  • AC Voltage is above the AC Max Voltage alarm setpoint
  • AC breaker is OPEN or has tripped.
  • An AC phase is missing or out of range
  • Battery temperature is above the High Battery Temperature alarm setpoint
  • Battery temperature is below Battery Low Temperature alarm setpoint
  • Battery temperature is high enough
  • Channel Current is below Low Current alarm setpoint
  • Charger has detected that the output is not connected to anything
  • Charger's output ripple is above High AC Ripple Detection alarm setpoint
  • DC breaker is OPEN or has tripped.
  • DC supplementary surge protector has expired.
  • Invalid configuration of one or more power modules in the unit.
  • Maximum AC Voltage has gone above max AC voltage allowed by the charger on any phase
  • No module power boards are found on SENSbus.
  • No other devices are found on SENSbus.
  • Settings for this channel are invalid
  • System configuration settings are invalid
  • Unit ambient temperature is below its rated ambient temperature

Suggested Actions

  1. 1Replace DC supplementary surge protector.
  2. 2Reset Latched Alarms (Write 0xFF00 to coil 23 / 0x017)
  3. 3Settings must be corrected before settings may be sent to the chargers on this channel
  4. 4Unit output may be derated

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 0X02 on your specific Stored Energy Systems LLC unit — cited to the OEM manual, not a forum guess.

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