| Common problems | 
| 0005 | Pump engine continues to run | 
| 43C0 | Pompmotor / Pump engine voltage | 
| C0260 | Ventielrelay Foutief | 
| C0560 |  | 
| C1401 | Pump relay | 
| C1401 | Pumpengine relay | 
| C1401 | High Pressure Return Pump Circuit Open / Shorted Return Pump Fault | 
| C1401-006 | Relay pump engine failure |