Low Battery Voltage (DSR)

DSR controller detected battery voltage below the minimum operating threshold.

Possible causes

Discharged or aged battery
Failed alternator
Loose battery cables
High parasitic load

Recommended actions

Test battery with load tester
Check alternator output
Clean and tighten cable terminals
Replace battery if needed

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Other Thermo King codes

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

View all Thermo King codes

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