11
15.0 - Fault Finding:
This section contains a list of faults and causes that the machine may encounter.
MACHINE
SYMPTOM
CAUSE
Dead
P.C.B. faulty (315mA fuse or transformer)
No mains input (installation problem or outside interference)
ON/OFF switch faulty
Unsound terminal connection
Blown fuses in plug (3kw)
Bad connection in plug (mains lead fault)
Over-ride pressure-switch has switched power off to the
machine via the safety-trip P.C.B. (Symptom: No lights on but
boiler is pressurised)
L.E.D.’s Flashing
See chart:
Overfilling
Water pressure too low or high
Contaminant sticking solenoid valve open
Not Filling
Blocked inlet assembly
Blocked filter in chromed water connector
Water turned off
Kinked inlet hose
Water pressure too low or high
Solenoid coil failed
Scaled up top probe
Top probe wire shorted out
Faulty element
No Draw Off
Tap spring broken
Tap washer broken
Aerator (water spray) has been fitted upside down or requires
cleaning/de-scaling
If no pressure (See not heating)
Syphon pipe blocked
Over Boiling
(over pressure)
Pressure-switch set too high
Pressure-switch faulty
Triac faulty
Machine not filling
Machine scaled up
Faulty element
Not Heating
Pressure-switch faulty
Element faulty
Triac faulty
P.C.B. faulty
Unsound connection on element or triac
P.C.B. Blown
Steam (see over-boiling) or water damage
Element blown (315mA fuse on board)
Triac blown
Solenoid coil blown
