Heating Element Relay Error

What it means

This is an Ariston (Hotpoint-Ariston) electronic washer code showing that the main board found a fault in the heater drive circuit, such as a stuck relay or current leaking from the heating element. It is an electrical fault, so unplug the machine and do not keep restarting it; the same number can mean something else on other brands. The meaning can vary between Ariston series, so confirm it in your manual.

Models covered: Ariston (Hotpoint-Ariston) washing machines on the electronic EVO platform; the code shows on the display or as blinking lights. Older mechanical models do not show codes.

Related codes: F07F03

Symptoms4

• The code shows as heating starts or right after power-on.
• The earth-leakage switch in the home panel sometimes trips.
• In some cases the water gets abnormally hot.
• The machine stops and does not finish the program.

Possible causes5

• Corroded heater leaking current to the cabinet.
• Stuck or failed heater relay on the main board.
• Water leaking from the tub onto the heater connector.
• Burnt or loose heater wiring.
• Temperature sensor giving a false reading.

How to diagnose5

1. Unplug the machine, and if the earth-leakage switch tripped, do not reset it with the machine plugged in.
2. Look for water under the machine that points to an internal leak.
3. The technician unplugs the machine before opening it, measures the heater and its insulation to the frame, and compares with the manufacturer specification.
4. The technician checks the heater connector and wiring and makes sure they are dry.
5. The technician tests the relay on the main board and the temperature sensor.

How to fix5

1. Fix the source of the internal water leak.
2. Dry and repair the heater connector and wiring.
3. Replace the corroded heater.
4. Replace the temperature sensor if it reads wrongly.
5. Repair or replace the main board, then run a supervised hot program.

Repair cost

In Saudi riyals; the highlighted part is the expected range for this fault.

The heater is the most common repair; the top of the range is for a main board replacement.

Prices are rough estimates including the part and the technician’s fee, and vary with brand, model and part source.
Prices last updated: September 2026

Frequently asked questions