Service manual

6. FAULTS INCANTO S-CLASS
Page 2/3 REV.5 FEB.2005 Saeco International Group
Part Fault Cause
MS defective
Motor defective
Motor resistor defective
Loose motor connections
Gear wheel defective
Gearmotor
Brewing unit malfunctions
- does not move to home position
Electronic system defective
Plunger stiff
Gasket of valve plug swollen
(black O-ring)
Brewing unit
Sluggish / obstructed
Gasket of plunger swollen
HWS valve does not open
(no water or steam dispensing
possible)
Securing tab on tea nozzle
spout broken / bent
Water drips from steam pipe
(with closed valve)
Valve gasket calcified
Water drips from steam pipe shaft Fracture in steam pipe
Water leakage from HWS spout Defective O-ring
HWS system
Water leakage at joint Defective O-ring
Varying cup filling volume
Overpress
ure valve
More water in drip tray
Overpressure valve does not
seal / calcified
Defective pump
Dry coffee in dregs drawer / water
low indicator (fault LED)
Thermal fuse defective
Pump
Water leakage at overpressure
valve threaded joint
Hairline crack in joint area