Ariston S 3.5 COM PL Manual De Instrucciones página 8

EN
Troubleshooting
SYMPTOM
Water not hot
enough
Water too hot
Heater switch Off
during use
Water ceases to
flow
Water
temperature
varies from hot to
cold during use
No hot water
despite fully open
hot water faucet
POSSIBLE CAUSE
Too much water flowing through
the heater
Reduction In tha ambient
temperature
Water Pressure below of 100 kPa
Electrical Malfunction
Not enough Water flowing through
the heater
Increase in the ambient temperature
Interruption of mains electrical
supply
ELSD trip, possible earth leakage
Blockage of spray head, twisted or
blocked flexible shower hose.
No water supply.
Water pressure has dropped below
min. level.
No electrical power
The activation flow rate needed to
turn on the heating element has not
been reached.
SOLUTION
Reduce the flow rate of the water via the
outlet tap.
Switch to higher temperature setting.
Check if the mains stop valve is fully open
and that the there are no other restriction
in the supply line.
Have the Heater unit check by a
qualified eIectrician or contact your local
authorised distributor.
Increase the flow rate via the outlet tap
Switch to lower temperature setting
Check incoming power supply, MCB,
switches and supply cabling. Check earth
leakage and reset ELSD
If problem persists, call your local
authorised distributor for assistance.
Clean or replace spray head, check for
free passage of water through hose.
Replace as necessary.
Check water supply, stop valve Open?
and no blockage.
Increase hot water supply,
Check the circuit breaker and check
voltage at the wiring block.
Clean filter screen
• Turn circuit breaker off
• Open hot valve to release pressure from
the unit.
• Turn circuit breaker on.
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