LOCKED ROTOR SD

UnclassifiedGeneral

What This Code Means

No engine rotation is sensed during cranking; Generator shuts down 3 seconds after the fault is detected

Possible Causes

•Locked rotor
•Loose electrical connections
•No exercise has been scheduled on the RDC2 controller.
•Weak or faulty battery

Suggested Actions

1Check for loose connections
2Check the battery
3Contact an authorized dealer for service
4See Section 2.5 for instructions to set the exerciser.

Related Rehlko Fault Codes

LOW BATTERY VOLTS LOWBATTERYVOLTS LO CRANK VLT W LWT LF MAINPWROVERL LED4 MAINPWROVERL SD HIGH ENGINE TEMPERATURE MAINPWROVERL SHUTDOWN HIGH BATTERY VOLTAGE MAINPWROVERL SHUTDOWN SD

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Get a diagnosis walkthrough for LOCKED ROTOR SD on your specific Rehlko unit — cited to the OEM manual, not a forum guess.