2816
UnclassifiedGeneral
What This Code Means
2816
Possible Causes
- •Faulty PT connections
- •Faulty PTs
- •Incorrect PT ratio
- •Incorrectly connected wires
- •Open circuit
Suggested Actions
- 1Check the connections from the alternator to the PT, and from the PT to the base board (Three phase inputs: L1 = J22-1, L2 = J22-2, L3 = J22-3, LN = J22-4; single phase: L1, L2, LN)
- 2Correct the wiring issue if wires are incorrectly connected or there is an open circuit
- 3Ensure that the control is set up with the correct PT ratio (primary vs. secondary)
- 4Reference event/fault code 2816 for troubleshooting information on the PT ratio
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 2816 on your specific Cummins unit — cited to the OEM manual, not a forum guess.
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