Part 6: Troubleshooting - Modena Veloce Series User Manual Book

Problem
 When switching on the
power, screen displays
"E5" and flashing (EI
2D B).
 ELCB indicator light is
off (EI 2 W).
The heating indicator light
is off and the outlet water
is cold.
The outlet water is cold.
No water flows out from
the shower head.
The temperature of outlet
water is inconsistent
Safety sign is flickering
(EI 2D B)
"ELCB" indicator light is
twinkling flicker (EI 2 W).
 Screen
of EI
display E1
 "Power" indicator light
is twinkling flicker (EI 2
W)

PART 6: TROUBLESHOOTING

Possible Cause
1. Power supply error.
2. PCB error.
3. Electricity leaks.
1. "Power" knob is off.
2. PCB error.
3. Water flow is less than
1.5L/min.
4. Impurities clogging the
rotor of water flow
switch (water valve).
1. The thermal cut-out is
disconnected, and
screen display "E3" on EI
2D B.
2. Heating elements is
damaged.
1. Water supply is cut off.
2. Water inlet valve is not
open..
1. The water pressure is
unstable.
2. The temperature of
outlet water is too high -
overheating protection is
working excessively.
1. Grounding is damaged.
2. PCB error.
Electricity leaks
2D B
Temperature sensor is
damaged
1. Check whether the power
2. Contact MODENA
1. Rotate the "Power" knob.
2. Repair or replace the PCB.
3. Increase the water flow.
4. Change the flow sensor.
5. Open the water valve and
1. Press the "Reset" handle
2. Change the heating
1. Wait until the water supply
2. Open the water inlet valve.
Lower the heating power,
and increase the water flow.
1. Check the grounding.
2. Contact MODENA
Contact MODENA Customer
Care for repair.
Change the temperature
sensor.
14
Recommended Action
supply is cut.
Customer Care for repair.
clean the rotor.
Thermal Cut-out
of the
after checking.
elements.
is restored.
Customer Care for repair.