Observation:
PLEASE SELECT ERROR CODE FROM LIST BELOW:
| CODE / | DESCRIPTION | CODE / | DESCRIPTION |
| F 1 | LOW WATER PRESSURE | L 1 | FLOW TEMPERATURE OVERHEAT |
| F 7 | LOW MAINS VOLTAGE | F 2 | FLAME LOSS |
| F 9 | PCB FAULT | L 2 | IGNITION LOCKOUT |
| L 5 | 5 BOILER RESETS IN 15 MINUTES | F 3 | FAN FAULT |
| L 6 | FALSE FLAME LOCKOUT | F 4 | FLOW THERMISTOR |
| C 0 | BCC ACTIVATION FAULT | F 5 | RETURN THERMISTOR |
| C 2 | BCC FAULT | F A | RETURN TEMP HIGHER THAN FLOW |
