E90 is an error in the electronics. The electronic boards doesn't "communicate" with each other. The only solution is to call for proffessional help to fix or replace the electronic boards. It might be cheaper to buy a new machine if your machine isn't covered by warranty.
E90 is family error code visible to the customers. It is necessary to read the error in the service mode so please proceed with the following procedure for rapid reading of alarm codes:
Press and hold down START/PAUSE and the option button nearest to the START/PAUSE button for at least two seconds!
After that the display will show one of the following errors that are more precise:
E91, E92 - Communication incongruence between main board and display board (versions not compatible). Posible causes: wirings, main board or control/disply board.
E93 - Incorrect configuration of appliance. Posible causes: Incorrect configuration data; electronic board faulty.
E94 - Incorrect configuration of washing cycle.
Posible causes: Incorrect configuration data; electronic board faulty.
E95 - Communication error between microprocessor and
EEPROM. Posible causes: Electronic board faulty.
E97 - Incongruence between programme selector and
cycle configuration. Posible causes: Faulty electronic board (Wrong configuration data).
Considering that this is a complicated fault, my advice is to contact an authorized service center.They have special equipment such as an interface that allows them to upgrade software in your appliance. If you are not doing anything on the appliance before the failure, the only thing you can check is the contacts between wiring and electronics.
Dado
SOURCE: Hi Ihave an electrolux EWD 1477 washer/ dryer. It
Drainage problem. If it is a new installation the possible causes can be:
- The drainage hose is too deep in the drain (can only be max. 10 cm. in the drain, and the drain height may be a minimum of 30cm and a maximum of 80cm from the floor);
-
The drainage pump may be blocked (clean it);
- The drain is clogged.
You will LOVE Electrolux for this... Go to:http://electrolux.co.uk/en-gb/Support/Troubleshooter/?Command=Detail&CategoryId=98&SymptomId=1412&DetailId=1412
....and click on START ANIMATION for a complete explanation of how you clean the filter on your machine
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