#ErrorSymptomCause
1Opened SensorF1Oven sensor (thermistor) remains open for oven 1 min during cooking.
2Shorted SensorF2Oven sensor (thermistor) is short for over 1 min during cooking.
3Key shorted ErrorF3When some keys are continuously short for over 60 seconds.
4Oven hotF6The oven temp is over 650°F continuously during 2 minutes on cooking except self cleaning.
5No heatingF9If starting oven temp does not exceed 150°F and oven temp is less than or equal to starting temp over 5 minutes during preheating, while door is closed.
6Probe Sensor shortF8Right oven probe sensor short error check
7Door lock failF10In case of door lock failure during operating lock motor
8Comm. ErrorF11The communication error happened between cooktop PCB and oven PCB over 10 seconds in the self clean mode.
9LF Top Sensor Open/ ShortCF1LF Top sensor is open or short
10LR Top Sensor Open / ShortCF2LR Top sensor is open or short
11RF Top Sensor Open/ ShortCF3RF Top sensor is open or short
12RR Top Sensor Open/ ShortCF4RR Top sensor is open or short
13Left IGBT Sensor Open/ ShortCF5Left IGBT sensor is open or short
14Right IGBT Sensor Open/ ShortCF6Right IGBT sensor is open or short
15Left Comm. ErrorCF7Right IGBT sensor is open or short
16Right Comm. ErrorCF8Communication error at right module
17Over CurrentCFACommunication error at right module
18Over VoltageCFCOver voltage occurs at the cooktop
19Box fan errorCFFBox fan not working properly
20Convection fan errorF7Convection fan operating can't be detected over 1 minute in all cases of Upper convection fan operating.
21Stalled Fan lock errorF27When cooling fan is stalled during self clean
22Sensor openF1F4Oven thermistor is open
23Sensor shortF2F5Oven thermistor is shorted
24Oven hotF6F16The oven temp is over 650°F continuously during 2 minutes on cooking except self cleaning.
25Probe shortF18Lower oven probe is shorted.
26Oven no heatingF9F19EXCEPT PROOF and WARM Starting temp of 130° for less, and the oven door is closed, the ove inside temp does not go up more than 10°F compared with the starting temp for 5 minutes after the start of cooking
27Door lock failF10F20If the door lock fails while operating the lock motor
28Oven sensor openF4Oven thermistor remains open for over 60 seconds, after cook starts during cooking
29Oven sensor shortF5Oven thermistor is short for over 60 seconds after cook starts during cooking
30Oven is hotF16Oven temp is over 650°F continuously during 2 minutes on cooking except self cleaning.
31Oven no heatingF19EXCEPT PROOF, WARM, SpeedClean, SteamClean, Drying, Descaling and SousVide Case 1: Start temperature does not exceed 130 ℉ and oven temperature is less equal than 150 ℉ and max oven temperature is less equal than start oven temperature + 10 ℉ over 5 minutes on preheating, where door is closed. Case 2: Oven temperature is less equal than 100 ℉ over 5 minutes on preheating, where door is closed.
32Door lock failF20If door lock failure while operating the lock motor.
33Steam sensor openF24Steam thermistor remains open for 10 second after the steam heater operated from 5 minutes.
34Steam sensor shortF25Steam thermistor is short for over 60 seconds after the steam heater operated.