Applicable Systems
Cleaver-Brooks Hawk 6000 Controller
Symptoms
The boiler reports a control power fault. The control circuit power supply is malfunctioning.
Possible Causes
- Control transformer failure
- Control circuit fuse blown
- Power supply module fault
Troubleshooting Steps
- Step 1: Check the control transformer output
Voltage is at the rated value - Step 2: Verify all control circuit fuses
All fuses are good - Step 3: Test the power supply module
Module delivers correct voltage
How to Reset
To reset: Repair the control power supply, then clear the alarm.
Source: Cleaver-Brooks Boiler Manual, Cleaver-Brooks Inc.
Category: Boiler