Applicable Systems
Cleaver-Brooks Hawk 6000 Controller
Symptoms
The boiler reports a high gas pressure alarm. The fuel gas pressure exceeds the maximum safe level.
Possible Causes
- Gas pressure regulator failure
- Supply pressure surge
- Gas pressure switch calibration error
Troubleshooting Steps
- Step 1: Check the gas pressure at the burner
Pressure is within the safe range - Step 2: Verify the gas pressure regulator operation
Regulator maintains correct pressure - Step 3: Verify the pressure switch calibration
Switch activates at the correct pressure
How to Reset
To reset: Restore safe gas pressure, then clear the alarm.
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Source: Cleaver-Brooks Boiler Manual, Cleaver-Brooks Inc.
Category: Boiler
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