Troubleshooting
The screen of the boiler indicates various errors or problems with the machine. See diag-
nostic table below for futher details.
Error
Description
Action
E-1
High level probe is detected but low level
probe is not detected.
Descale machine & low-level probe.
If it persists, call service agent.
Check low level probe is wired.
Check high & low level are not switched.
E-2
Low level probe not detected.
Wait for machine to fill.
If water can be dispensed then the probe
may be covered in limescale, -descale
machine.
If descaled and error persists then call
service agent.
Check low level probe is wired.
E-3
Temperature sensor (thermistor) is faulty,
missing or not plugged in.
Call service agent.
Thermistor has an open circuit.
E-4
Water is not heating
Element has failed, Call service agent.
Check element for resistance which
should be approx 19 Ohms
E-5
Temperature sensor (thermistor) is faulty
Call service agent.
Thermistor has a short circuit.
E-6
No incoming water
Check water supply is turned on and
mains pressure is above 1bar (14.5psi)
If water supply is OK call service agent as
the inlet valve has likely failed.
