Applicable Systems
Cleaver-Brooks Hawk 6000 Controller
Symptoms
The boiler reports a low fuel oil pressure alarm. The fuel oil supply pressure is below the minimum.
Possible Causes
- Fuel oil pump failure or degraded
- Fuel oil filter clogged
- Fuel oil supply line restriction
Troubleshooting Steps
- Step 1: Check the fuel oil pressure at the burner
Pressure meets the minimum requirement - Step 2: Verify the fuel oil pump operation
Pump delivers correct pressure - Step 3: Inspect and clean the fuel oil filter
Filter is clean and flow is unrestricted
How to Reset
To reset: Restore adequate fuel oil pressure, then clear the alarm.
Source: Cleaver-Brooks Boiler Manual, Cleaver-Brooks Inc.
Category: Boiler