17 Condenser Fan Current Too Low (Check Alarm)

Thermo King Alarm Code

Description	Corrective Action
Condenser Fan Current Too Low (Check Alarm) Occurs during Pretrip (PTI) or Function test only. Condenser fan power consumption is 25% below expected current draw (below 0.5 to 0.7 amps, depending on voltage). Indicates: Defective condenser fan motor relay Defective or open fan motor internal over temperature protection switch Defective volt or amp meter on relay board.	Enter Manual Function Test and start condenser fan. Make sure the fan starts. Check fan motor volts and amps. Check power supply volts and amps. Check volt and ampere meter.