Possible Failures And Troubleshooting - Ariston RT45PE-VN Manual

Possible failures and troubleshooting

Screen
Problem
display
OFF
ON
Water cold, no
temp increase
(Flow rate
ON
normal)
ON
display
"E*"
/
Water temp
increased, but
ON
not warm
enough
ELCB
Heating
lamp
Icon
(if any)
1) Make sure power supplier is available, by checking
OFF OFF
house power supply voltage;
1) Make sure the water heater is turned ON, by pressing
ON/OFF button;
2) Make sure product is not in cold water model (all 3
ON OFF
personal model icons off means that the product is in cold
water model)
3) Make sure water pipe connection is right (inlet on right,
outlet on left).
1) Make sure the wate flow rate is not too big (over
ON ON 6L/min), by reducing the flow rate through water valve
regulation;
1) Make sure the "test" button is not mistakenly pressed, by
OFF OFF
pressing the "reset" button. --only for m odels with ELCB.
ON OFF 1) Stop to use water heater, call service technician.
Blinking / 1) Stop to use water heater, call service technician.
1) Make sure temperature setting is not too small, by
choosing higher temperature setting.
2) Make sure the wate flow rate is not too big (over
6L/min), by reducing the flow rate through water valve
regulation;
if flow rate too big, the outlet temperature indicated on
screen during heating will not be able to reach the setting
temperature.
ON ON
3) Measuring the actual voltage WHEN heating to make
sure voltage drop not too big.
By increasing sectional area of, or reducing length of the
power supply cable could improve the problem.
4) Make sure power supplier voltage not too small, by
checking house power supply WITHOUT heating.
checking actions
2