Thermistor Repair CF18 CF25 CF35 CF40 CF50 CF60 all VERA/VERB For Waecoif your fridge is displaying unusually large numbers and is freezing everything then your thermistor may be at fault. Firstly check that the emergency switch is not active as this switch bypasses the control board and supplies power direct if this is in correct position and you have large numbers on the digital read out like '60" then try the thermistor as it is more likely then the actual control board. Repair Kit for Waeco Thermistors for units