Cummins PowerCommand Error Code 9

Cummins Generator Minor System

Model: PowerCommand | Code: 9

Applicable Systems
PowerCommand

Symptoms

Warning - Low coolant temperature. The coolant temperature is below the normal operating range.

Possible Causes

  • Jacket water heater not operating
  • Coolant temperature sensor fault

Troubleshooting Steps

  1. Step 1: Check the jacket water heater operation
    Heater is not energized
  2. Step 2: Verify the heater power supply and thermostat
    Power is absent or thermostat is faulty

How to Reset

To reset: Fix the jacket water heater, then acknowledge the warning.

Source: Cummins Power Generation Control Manual, Cummins Inc.

Category: Generator