Cummins PowerCommand Error Code 15

Cummins Generator Minor Power

Model: PowerCommand | Code: 15

Applicable Systems
PowerCommand

Symptoms

Warning - High battery voltage. The starting battery voltage is above the warning threshold.

Possible Causes

  • Battery charger voltage set too high
  • Charger voltage regulator failure

Troubleshooting Steps

  1. Step 1: Check the battery charging voltage
    Voltage exceeds the rated maximum
  2. Step 2: Adjust or replace the battery charger regulator
    Voltage is within the correct range

How to Reset

To reset: Fix the charger voltage, then acknowledge the warning.

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Source: Cummins Power Generation Control Manual, Cummins Inc.

Category: Generator

Published: 2026-10-12