ENGLISH / A-23FORM NO. 56041656 - Exterra™ / SR 1900 - A-23TROUBLESHOOTINGIf the possible causes listed below are not the source of trouble, it is a symptom of something more serious. Contact your Nilfisk-Advance ServiceCenter immediately for service.TRIPPING THE CIRCUIT BREAKERSThe circuit breakers are located on the Circuit Breaker Panel (H), they protect electrical circuits and motors from damage due to overloadconditions. If a circuit breaker trips, try to determine the cause.Main Circuit Breaker (CB1 / 70 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)Headlight Circuit Breaker (CB2 / 20 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)Starter Motor Circuit Breaker (CB3 / 15 Amp) Possible causes may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)Accessory Circuit Circuit Breaker (CB4 / 20 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)Ignition Circuit Circuit Breaker (CB5 / 10 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)Turn Signal Circuit Breaker (CB6 / 15 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)Mister Circuit Breaker (CB7 / 10 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)HVAC Circuit Breaker (CB8 / 10 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)HVAC Circuit Breaker (CB9 / 40 Amp) Possible cause may be:1 Electrical short circuit or overload (have your Nilfisk-Advance Service Center or qualified electrician check the machine)Once the problem has been corrected, push the button in to reset the circuit breaker. If the button does not stay in, wait 5 minutes and try again.If the circuit breaker trips repeatedly, call your Nilfisk-Advance Service Center for service.