Observation:
Fault Codes below Fault code not shown
1.DHW Excessive Temperature on Primary Circuit
2. Faulty CH Temperature Probe
3. Faulty DHW Temperature Probe
4. Faulty Flue Temperature Probe
5. Faulty Primary Circuit (no water or low pressure)
6. Faulty Air Pressure Sensor
7. Faulty Primary Circuit (absence of flow)
8. Lack of burner ignition
9. Safety Thermostat lockout
10. Flue temperature probe NTC lockout
11. Flame detection error (1)
12. Flame detection error (2)
1.DHW Excessive Temperature on Primary Circuit
2. Faulty CH Temperature Probe
3. Faulty DHW Temperature Probe
4. Faulty Flue Temperature Probe
5. Faulty Primary Circuit (no water or low pressure)
6. Faulty Air Pressure Sensor
7. Faulty Primary Circuit (absence of flow)
8. Lack of burner ignition
9. Safety Thermostat lockout
10. Flue temperature probe NTC lockout
11. Flame detection error (1)
12. Flame detection error (2)
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