Battery Charger Operating Bulk Voltage Out of Range

The charging voltage during the 'Bulk' stage is outside the normal operating range.

Possible causes

Extremely discharged or damaged battery
High resistance in battery connections
Charger unable to maintain constant current
Battery temperature influencing the charge curve

Recommended actions

Charge battery externally to see if it recovers
Clean all power and ground connection points
Check battery temperature sensor
Verify alternator/charger capacity

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00No Alarms Exist 02Check Evaporator Coil Sensor (Zone)03Check (Control) Return Air Sensor (Zone)04Check (Control) Discharge Air Sensor (Zone)05Check Ambient Temp Sensor 06Check Coolant Temp Sensor

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