Johnson JWAS14DW Guide D'utilisation page 90

ERROR CODES
If there is a malfunction, the dishwasher will display error codes to
identify these:
Codes Meanings
Longer inlet time.
E1
Not reaching
E3
required
temperature.
E4 Overflow.
Failure of communication
between main circuit
Ed
board with display circuit
board.
WARNING
If overflow occurs, turn off the main water supply before

calling a service.
 If there is water in the base pan because of an overfill or small
leak, the water should be removed before restarting the
dishwasher.
 If there is an error code that cannot be solved, please request
professional assistance.
Possible Causes
Faucets is not opened, or water
intake is restricted, or water
pressure is too low.
Malfunction of heating element.
Some element of dishwasher
leaks.
Open circuit or break wiring
for the communication.
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