Ariston 100 L Technical Manual - Page 34

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Ariston 100 L Technical Manual

Malfunctioning

Malfunctioning indicates situation of possible customer claim even if any error is displayed on the interface.
Malfunctioning Index
Info missing
Water leakage
Insufficient water temperature
Long heating time
Insufficient water flow
Boiling water or steam from the taps
Noise increases from the external unit
Frequent electrical resistance functioning
Bad odor
Bad water quality
Component
display
Info
missing
main board
Component
outlet water pipe
tank flange
inlet water pipe
safety valve inlet
pipe (A drip of
water by the
Water
device should be
leakage
considered
normal during the
heating)
tank
Fault cause
Fault mode
No power from mains → not working
damaged wirings → not working
bad connection of wirings → not working
faulty component → break
faulty component → break
damaged wirings → not working
bad connection of wirings → not working
Fault cause
Fault mode
wrong pipes tightening → bad connection
gasket broken → leakage
wrong flange tightening → leakage
wrong pipes tightening → bad connection
huge amount of water dripping due to:
high water temperature set point
•
high water network pressure
•
expansion vessel missing
•
drainage hole obstructed
•
drainage pipe broken
•
Pro-Tech anode malfunctioning due to
low water hardness (< 12 °F) → corrosion
product full of water and power not
supplied by mains → corrosion
What to check
Verify the correct installation conditions
Visual check of the component
Verify the correct connection with the
mainboard
Check the functionality after a
temporary power disconnection from
mains
Check the functionality after a
temporary power disconnection from
mains
Visual check of the component
Verify the correct connection with the
mainboard
What to check
Verify water leakage
Verify water leakage
Verify water leakage
Verify water leakage
Check the valve tuning, the water
•
network pressure
Check the water discharge
•
Verify water leakage
•
Verify water leakage
Verify water leakage
34
What to do
Restore connections
If the component is faulty, replace it
Place the component in the right
position
If the component is faulty, replace it
If the component is faulty, replace it
If the component is faulty, replace it
Place the component in the right
position
What to do
Restore connections
If the component is faulty, replace it
Check the flange bolts tightening
Restore connections
If necessary install an expansion
•
vessel
Clean the valve hole
•
Replace the discharge pipe
•
Replace the device if badly damaged.
Provide water with proper hardness
degree
Replace the device if badly damaged.
Make a proper installation