E08 | 8
Software error
Cause Solution
a) The software does not work properly. 1. The appliance automatically resets itself a
maximum of three times.
2. Replace the control board.
E09 | 9
Hardware error
Cause Solution
a) The sensor data is not updated by the ADC. 1. Reset the error.
2. Replace the control board.
E10 | 10
Safety thermal cut-out
Cause Solution
a) Overheating of hot water temperature sensor. 1. Reset the error.
2. Replace the sensor.
3. Replace the control board.
E11 | 11
Temperature sensor error
Cause Solution
a) Too great a variance in the hot water
temperature sensor.
1. Reset the error.
2. Replace the sensor.
3. Replace the control board.
E12 | 12
Hardware error
Cause Solution
a) Phase relay does not work properly. 1. Reset the error.
2. Replace the control board.
E13 | 13
Hardware error
Cause Solution
a) Neutral relay does not work properly. 1. Reset the error.
2. Replace the control board.
E14 | 14
Software error
Cause Solution
a) Incorrect value in the EEPROM. 1. Reset the error.
2. Replace the control board.
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