Alternator Check

System detects that the alternator is not charging the battery correctly.

Possible causes

Loose or broken alternator belt
Internal alternator voltage regulator failure
Loose excitation wire (no. 2) connection

Recommended actions

Measure alternator output voltage (should be >13.5V)
Adjust belt tension
Check connections at B+ terminal and ground

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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

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