Page 29
HYDR
IM
C51w Service Guide
7. Troubleshooting
7.2.14 CF 16 Pressure failure
Detection:
Pressure switch turned off during washing or disinfection phase.
Cause:
Circulation pump failure (no upper washing arm rotation)
Defective pressure switch
7.2.15 CF 17 Circulation Pressure Sensor stuck
Detection:
Circulation Pressure sensor stuck on high pressure at Idle or during first phase of
the filling stage.
Cause:
Circulation Pressure sensor stuck
7.2.16 CF 18 Water Filter Pressure Sensor stuck
Detection:
Water Filter Pressure sensor stuck on high pressure at Idle or during first phase of
the filling stage.
Cause:
Water Filter Pressure sensor stuck
