Ariston TI 500 STI EU2 Bedienungsanleitung Seite 34

IV.2. Problems, causes and actions
The most frequently occurring problems on the appliance are listed below along with the various causes
and the actions to be taken.
EN
POSSIBLE CAUSE
Power cut (during heating)
Unsuitable temperature set on
thermostat
Electronic thermostat safety
mechanism activated
(overheating)
Defective heating elements
Insufficient day/night programming
Thermostat malfunction
Appliance and/or safety assembly
is scaled up
Pressure of water supply
Water supply flow
Defective baffle insert
OR
Descaling of safety assembly
Defective PROfessional TECH
circuit
Batteries at end of life or flat
Lack of grid supply for
PROfessional TECH circuit
Empty tank
Quick coupler not connected
Electrode circuit broken
Condition of cables from the
electronic circuit connector
Earthing of electrode connection
Appliance insufficiently
dimensioned for current
requirements
Water heater corrosion
Bacterial growth
Defective baseplate seal
33
ACTIONS TO BE TAKEN
Check the fuses and replace them if
necessary.
Regulate the thermostat (+ right; - left)
See 1
See 2
If necessary, restart heating during
the day.
See 1
Carry out descaling and replace the
safety assembly if necessary.
Check the supply pressure and install
a pressure reducer if necessary.
Check the pipes
Call our technical service team.
Replace your safety assembly.
See 3
See 4
Check the supply to the circuit
Fill the tank.
Connect the quick coupler.
Check the circuit.
Check the cables.
Check the cables.
Drain the water heater and check
whether there is any internal
corrosion. If so, replace the water
heater
Drain and clean the appliance.
Replace the anode if using the version
with the magnesium anode.
Replace the seal (the seal must be
replaced each time the baseplate is
removed)