Queen COFFEE QUEEN Manuel d'utilisateur télécharger pdf (Page 17)

12. Error message - SERVICE TOWER

Error message: Display shows: E1, E2, E3, E4.

LEVEL CONTROL

TEMPERATURE CONTROL

Display shows: E1 = Level sensors short electrod is Clean level sensor.

earthed, (GND) Change level sensor.

but not level sensors long electrod. Cables wrongly coupled.

Display shows: E4 = Filling time too long. Restart machine.

Low pressure on water.

Water tap not open.

Display shows: E2 = Temp. sensor out of range 5°C - 105°C.

Temp. sensor failure. Change temp. sensor.

Cable is loose. Connect cable.

Display shows: E3 = Heating time too long. Restart machine.

Solid state defect. Change solid state.

Element defect. Change heating element.

High limit control defect.

IMPORTANT! All maintenance and installations must be done of an

authorized technician.

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Queen COFFEE QUEEN Manuel d'utilisateur Page 17