Ariston VLS Flat 50 Technical Manual - Page 13
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4. Troubleshooting and maintenance
4.1 Displayed faults
How the appliance
shows errors
How to do
(manual reset)
Instruction for competent and skilled technical workers only
How to enter
the diagnostic
NON
volatile errors
(the appliance is
unable to work until
the error has been
solved and a manual
reset has been
done)
All WAVES, corresponding temperature icons, "SHOWER READY" icon and "ECO"
button flash simultaneously.
Reset the appliance switching the product off and on again using the ON/OFF
button. If the cause of the error disappears immediately following the reset process,
the appliance resumes normal operation. If this is not the case, the "faulty status"
continues to appear on the HMI; contact the Technical Assistance Centre.
Press and hold the ON/OFF button for 5 seconds; the "ECO" button and the
"SHOWER READY" icon are switched off.
If the ON/OFF button is pressed or if any actions are not performed for 25 seconds,
the appliance resumes its "faulty status".
60 °C, 70 °C, 80 °C
and corresponding
"WAVES" icons
switched on
50 °C, 60 °C, 70 °C, 80 °C
and corresponding
"WAVES" icons
switched on
80 °C and corresponding
"WAVES" icons
switched on
50 °C, 80 °C and
corresponding "WAVES"
icons switched on
70 °C, 80 °C and
corresponding "WAVES"
icons switched on
VLS
High temperature into the outlet tank due to:
- lack of water
if the water heater is empty, fill it;
- HE1 probe incorrect positioning
not entirely into the HE1 sheath, place it in the right
position;
- HE1 sensor/s out of tune
(values not in compliance with "Sensor Test Table"),
replace it.
High temperature into the inlet tank due to:
- lack of water
if the water heater is empty, fill it;
- HE2 probe incorrect positioning
not entirely into the HE2 sheath, place it in the right
position;
- HE2 sensor/s out of tune
(values not in compliance with "Sensor Test Table"),
replace it.
Overheated water into the outlet tank due to:
- HE1 probe incorrect positioning
not entirely into the HE1 sheath, place it in the right
position;
- HE1 sensor/s out of tune
(values not in compliance with "Sensor Test Table"),
replace it.
Overheated water into the inlet tank due to:
- HE2 probe incorrect positioning
not entirely into the HE2 sheath, place it in the right
position;
- HE2 sensor/s out of tune
(values not in compliance with "Sensor Test Table"),
replace it.
HE1 functional relay stuck due to:
- faulty component
the HE1 power terminals on the PCB, replace the PCB.
13
if the component is
if the component is faulty
if the component is
if the component is faulty
if the component is
if the component is faulty
if the component is
if the component is faulty
if a short circuit occurs between