Teka DW7 57 FI Service Manual page 4

At the same time, the buzzer will sound for 30 seconds and error 4 will be shown.
Note: Priority level of E4 is the highest. E4 operation is valid after other error
operations. When E4 operation has done, all the others are invalid.
E6
Open-circuit failure of NTC Sensor
In test program, once open-circuit failure of NTC sensor is detected by controller, the
E6 will appear.
When E6 occurs, the drain pump will run until flowmeter keep motionless for 2
minutes and all the other components will be stopped immediately.
At the same time, the buzzer will sound for 30 seconds and error 6 will be shown.
E7
Short-circuit failure of NTC sensor
In test program, once short-circuit failure of NTC sensor is detected by controller, the
E7 will appear. When E7 occurs, the drain pump will run until flowmeter keep
motionless for 2 minutes and all the other components will be stopped immediately.
At the same time, the buzzer will sound for 30 seconds and error 7 will be shown.
Service Manual: MSDW15070
Service Manual
DW7 57 FI – DW7 41 FI – LPI 759
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