B |
|
|
|
IS THE FAN | NO |
|
|
RUNNING? |
|
| |
YES | BOILER | YES | 1 - Reset the boiler |
| SHUTDOWN? | ||
|
| ||
C | NO |
|
|
|
| 1 - Check/replace main | |
| PUMP PROTECTION | YES | circuit flow switch |
| 2 - Check/replace | ||
| ACTIVATED? |
| connection cable |
|
|
| |
|
|
| 3 - Check/replace P.C.B. |
| NO |
|
|
| INTERNAL |
| 1 - Check/replace air |
| YES | pressure switch | |
| P.C.B. PROTECTION | 2 - Check if reset button | |
| ACTIVATED? |
| is jammed |
|
|
| 3 - Check/replace flame |
| NO |
| detection electrodes |
|
|
| |
|
|
| 1 - Check/replace |
| POWER | NO | connection cable |
| 2 - Check/replace P.C.B. | ||
| TO FAN? | ||
|
|
| 3 - Check/replace air |
| YES |
| pressure switch |
|
|
| |
| 1 - Replace fan |
|
|
|
|
| FC004Ac |
20 |
|
| B063 |