Troubleshooting 69
5.2.4 Error 012
Error Conditions and Checklist
Error Description
E012
Loss of flame
If the system detects a loss of flame during combustion, the system stops the gas supply and attempts to restart.
Then, the system adds the instance to the flame loss count. If flame loss occurs 20 times consecutively, error code
012E is displayed (manually cleared) on the front panel.
Checklist
1. Use a manometer to measure the gas supply pressure (NG: 17-25 mbar, LP: 25-35 mbar)
2. Check the gas meter rating.
3. Check if the gas orifice is obstructed.
4. Check if the PCB is working correctly.
Is the boiler’s supply gas
pressure correct?
Check the connections
Test the gas pressure
Gas pressure
Natural Gas: 17-25 mbar
LP Gas: 25-35 mbar
No
Yes
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