Cleaver-Brooks Cleaver-Brooks Hawk 6000 Controller Error Code CB008

Cleaver-Brooks Boiler Major Pressure

Model: Cleaver-Brooks Hawk 6000 Controller | Code: CB008

Applicable Systems
Cleaver-Brooks Hawk 6000 Controller

Symptoms

The boiler reports a low gas pressure alarm. The fuel gas pressure is below the minimum safe level.

Possible Causes

  • Gas supply regulator malfunction
  • Gas supply line restriction
  • Utility supply pressure drop

Troubleshooting Steps

  1. Step 1: Check the gas pressure at the burner
    Pressure meets the minimum requirement
  2. Step 2: Verify the gas pressure regulator
    Regulator maintains correct pressure
  3. Step 3: Inspect the gas supply line
    Line is clear and unrestricted

How to Reset

To reset: Restore adequate gas pressure, then clear the alarm.

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Source: Cleaver-Brooks Boiler Manual, Cleaver-Brooks Inc.

Category: Boiler

Published: 2026-09-27