Troubleshooting - Ariston AURES S 3.5 COM PL Manual

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.
11
EN