Cleaver-Brooks Cleaver-Brooks Hawk 6000 Controller Error Code CB011

Cleaver-Brooks Boiler Major Valve

Model: Cleaver-Brooks Hawk 6000 Controller | Code: CB011

Applicable Systems
Cleaver-Brooks Hawk 6000 Controller

Symptoms

The boiler reports a blowdown valve leak. The bottom blowdown valve is leaking or passing water.

Possible Causes

  • Valve seat worn or damaged
  • Valve packing gland leaking
  • Valve not fully closed

Troubleshooting Steps

  1. Step 1: Inspect the blowdown valve seat
    Seat is smooth and seals correctly
  2. Step 2: Check and tighten the valve packing gland
    Packing seals without leakage
  3. Step 3: Verify the valve is fully closed
    Valve closes completely

How to Reset

To reset: Repair the blowdown valve, then clear the alarm.

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

Category: Boiler