F01 Main relay failure
Potential causes
Main relay defective, replace control board
Short circuit between heating element and ground
F02 EEPROM failure
Potential causes
Disturbance in the EEPROM re-program with SAM
F03 System failure
Potential causes
Check humidity sensor and the respective wiring and connections
Disturbance in control boaro
F04 Heater relay failure
Potential causes
Defective heater relay(s), before replacing the timer carry out the reset procedure
Grounding isaue on heating element
Open thermostat on heating element
F05 NTC 1 (air channel) failure
Potential causes
NTC 1 out of tolerance, shortage or open circuit
Electrical connection between NTC 1 and control unit
Ambient Temperature is out of dryer specification
Reset procedure needed if shortage was cause (refer to bottom)
F06 NTC 2 (heater) failure
Potential causes
NTC 2 out of tolerance, shortage or open circuit
Electrical connection between N”C 2 and control unit
Ambient Temperature is out of dryer specification
Reset procedure needed if shortage was cause (refer to bottom)
F07 Drum sensor failure
Potential causes
Drum sensor defective
Magnet not in correct position or missing
Electrical connection between reed switch and control board
Drum doesn’t turn
Carry out reset procedure (refer to bottom)
F10 MCU communication error
Potential causes
Electrical connection between MCU and control board
Communication error between MCU and con1roI board
F1 1
MCU motor failure:
-3′ Reserved not supported
F12 MCU not initialised
Potential causes
MCU initialised not correctly
Switch appliance off and again on
Wrong Software on CCU, re—program ,hex file
F14
MCU failure / low voltage detection
Potential causes
Low voltage detection on communication bus MCU,’”CCU
F15 MCU failure
Potential causes
Hardware failure on MCU
MCU software looses control on rotor position.(locked condition)
F18 MCU failure / MCU over temperature
Potential causes
Temperature of the MCU ( power module IC )is too high
Motor cannot be started for more than 20 s
F19
MCU failure / over voltage detection
Potential causes
High voltage detection on communication bus
F20
Motor overheating:
-9′ Reserved not supported
F21 UI communication error
Potential causes
Communication between control board and user interface not possible
Disturbance in cDnnection of control board and user interface
F22
MCU over current detection
Potential causes
Current limiter on MCU detect over current, overload of motor