Applicable Systems
EX-300
Symptoms
The boiler reports a feed water valve fault. The feed water control valve is not operating correctly.
Possible Causes
- Valve actuator failure
- Valve seat worn causing leakage or blockage
- Valve position feedback sensor fault
Troubleshooting Steps
- Step 1: Test the valve actuator operation
Actuator responds to control commands - Step 2: Inspect the valve seat for wear
Seat seals correctly - Step 3: Verify the position feedback sensor
Sensor reports the correct position
How to Reset
To reset: Repair the feed water valve, then clear the alarm.
Source: Miura Boiler Operation Manual, Miura Corporation
Category: Boiler