0X0B

UnclassifiedCooling

What This Code Means

Power has been reduced to protect from over-heating.; Disabled or failed remote temperature sensor.; Charger is operating at maximum allowable output, either maximum current or maximum power, whichever occurs first.; Positive Ground fault current to the positive output terminal is above the Ground Fault Trip sensitivity setpoint.; Current is under the Low Current Alarm setpoint.; Modules or chargers connected for load sharing are not sharing the current load.; Boost mode time limit has expired and charger has returned to Float mode.; Boost mode is disabled until the time limit is reset.; Module has experienced a thermal roll back; Module has faulted because it over-heated; Module output has been disabled

Possible Causes

  • Boost mode time limit expired.
  • Clogged input air filter
  • Current under the Low Current Alarm setpoint.
  • Disabled or failed remote temperature sensor
  • Modules or chargers connected for load sharing are not sharing the current load.
  • Positive Ground fault current above the Ground Fault Trip sensitivity setpoint.
  • Remote temperature sensor is shorted
  • Thermal fold-back has reached zero watts
  • maximum current
  • maximum power
  • over-heating
  • shorted remote temperature sensor

Suggested Actions

  1. 1Temperature compensation is forced OFF when sensor is shorted.
  2. 2The Boost time limit is reset when power is cycled.

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