Applicable Systems
EX-300
Symptoms
The boiler reports an exhaust gas analysis anomaly. The flue gas oxygen or CO reading is outside the normal range.
Possible Causes
- Combustion air-fuel ratio incorrect
- Gas analyzer sensor degraded
- Burner tuning required
Troubleshooting Steps
- Step 1: Check the combustion efficiency with a gas analyzer
Readings indicate efficient combustion - Step 2: Verify or replace the gas analyzer sensor
Sensor reads accurately - Step 3: Tune the burner air-fuel ratio
Combustion is optimized
How to Reset
To reset: Correct the combustion settings, then clear the alarm.
Source: Miura Boiler Operation Manual, Miura Corporation
Category: Boiler