Ariston 200D Kurulum, Kullanım, Bakım Talimatları - Sayfa 25

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TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

Temperature setting is low

Machine malfunctioning

No electrical connection, wires disconnected or

damaged

HC/HP signal missing (if the product is installed

with EDF signal cable)

The water delivered is cold

or insufficiently hot

Malfunctioning of the timer for the two-tier rate (if

the product is installed with this

configuration)

Insufficient air flow to the evaporator

Product is switched OFF

Use of a significant amount of

Sensor error

High level of limescale build-up in the boiler and

The water is boiling (with

components

possible steam on the taps)

Sensor error

"Time W" value too low

Installation performed with non-compliant electric-

ity power supply (voltage too low)

Reduced operation of the

Evaporator obstructed or frozen

heat pump, electrical heat-

Problems with the heat pump circuit

ing element is in almost

continuous operation

8 days have not passed yet since:

- Initial start-up

- Time W parameter change.

- Power failure.

Insufficient hot water flow

Leaks or obstructions in the hydraulic circuit

Water leaking from the

It is normal for some water to drip from the device

pressure safety device

during the heating phase

Presence of an internal obstruction

Increased noise level

Some components are vibrating

Failure or electrical connection problems between

Problems with viewing the

the motherboard and the interface PCB

display or the display turn-

ing off

Power failure

A bad odour is coming from

No siphon or siphon is empty

the product

Leaks or partial obstruction in the

refrigerant gas circuit

Unfavourable environmental or installation condi-

Abnormal or excessive

tions

consumption than expected

Evaporator is partially obstructed

Non-compliant installation

Other

WHAT TO DO

Raise the water temperature setting

Check for errors on the display and follow the instructions on the "Er-

rors" table

Check the voltage on the power terminals, check the condition of the

wires and connections

To check the operation of the product start the "Boost" mode; if the out-

come is positive check the presence of the HC/HP signal from the meter

and check that the EDF cabling is intact

Check the operation of the day/night meter and that the set time is suf-

ficient to heat the water

Clean the grilles and ducts regularly

Check the mains power supply. Switch the product ON

hot water when the product is in heating phase

Check for NTC errors, even occasional ones.

Unplug the power supply, empty the appliance, remove the heating ele-

ment sheath and clean the limescale from the inside of the boiler, taking

care not to damage the enamel on the boiler and the heating element

sheath. Reassemble the product in its original configuration. We recom-

mend replacing the flange gasket.

Check for NTC errors, even occasional ones.

Set a lower temperature parameter or a higher "Time W" parameter

Power the product with the correct voltage

Make sure that the evaporator is clean

Check the display for error messages

wait 8 days

Check the circuit for leaks, check the condition of the deflector on the

inlet cold water pipe and the integrity of the delivery hot water pipe

To prevent water from dripping, an expansion vessel must be installed

on the delivery system. If the leak continues even after the heating

phase, check the calibration of the device and the mains water pressure.

Warning: Never obstruct the device's discharge outlet!

Check the moving components of the unit, clean the fan and other mov-

ing parts which could cause noise

Check the components connected using mobile clamps, ensuring the

screws are well tightened

Check the connection status and the correct operation of the PCBs.

Check the power supply

Install a siphon. Ensure it contains the necessary amount of water

Switch the product ON in heat pump mode, use a leak detector for the

specific type of gas to ensure there are no leaks

Check the condition of the evaporator, grille and conduits to ensure they

are clean

Contact technical assistance

25 / EN