LG LRE3021ST error codes & fixes
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Error codes
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LG LRE3021ST Error Code PF
LG LRE3021ST error code PF means power has been interrupted to the appliance. This guide explains the likely causes, the safest first checks, and when support or service is the better next…
LG LRE3021ST Error Code H5
LG LRE3021ST error code H5 means cooktop temperature is greater than 150°F (HS indicator). This guide explains the likely causes, the safest first checks, and when support or service is the…
LG LRE3021ST Error Code F9
LG LRE3021ST error code F9 means upper oven is not heating properly. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F8
LG LRE3021ST error code F8 means oven meat probe error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F7
LG LRE3021ST error code F7 means upper convection fan error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F69
LG LRE3021ST error code F69 means sous vide is not heating properly. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F62
LG LRE3021ST error code F62 means sous vide temperature sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F6
LG LRE3021ST error code F6 means upper oven heating error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
All fixes for this model
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LG LRE3021ST Error Code PF
LG LRE3021ST error code PF means power has been interrupted to the appliance. This guide explains the likely causes, the safest first checks, and when support or service is the better next…
LG LRE3021ST Error Code H5
LG LRE3021ST error code H5 means cooktop temperature is greater than 150°F (HS indicator). This guide explains the likely causes, the safest first checks, and when support or service is the…
LG LRE3021ST Error Code F9
LG LRE3021ST error code F9 means upper oven is not heating properly. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F8
LG LRE3021ST error code F8 means oven meat probe error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F7
LG LRE3021ST error code F7 means upper convection fan error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F69
LG LRE3021ST error code F69 means sous vide is not heating properly. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F62
LG LRE3021ST error code F62 means sous vide temperature sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F6
LG LRE3021ST error code F6 means upper oven heating error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F59
LG LRE3021ST error code F59 means griddle is not heating properly. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F56
LG LRE3021ST error code F56 means griddle heating error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F52
LG LRE3021ST error code F52 means griddle sensor short detected. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F51
LG LRE3021ST error code F51 means griddle sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F5
LG LRE3021ST error code F5 means lower oven thermistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F46
LG LRE3021ST error code F46 means fan error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F45
LG LRE3021ST error code F45 means fan error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F42
LG LRE3021ST error code F42 means voltage error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F4
LG LRE3021ST error code F4 means lower oven thermistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F38
LG LRE3021ST error code F38 means communication error between the main board and inverter. This guide explains the likely causes, the safest first checks, and when support or service is the…
LG LRE3021ST Error Code F36
LG LRE3021ST error code F36 means transistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F34
LG LRE3021ST error code F34 means front induction burner temperature sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better…
LG LRE3021ST Error Code F33
LG LRE3021ST error code F33 means front induction burner temperature sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better…
LG LRE3021ST Error Code F3
LG LRE3021ST error code F3 means touch pad sensor key error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F27
LG LRE3021ST error code F27 means cooling fan stalled or locked during self clean. This guide explains the likely causes, the safest first checks, and when support or service is the better…
LG LRE3021ST Error Code F25
LG LRE3021ST error code F25 means steam sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F24
LG LRE3021ST error code F24 means steam sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F22
LG LRE3021ST error code F22 means steam sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F21
LG LRE3021ST error code F21 means steam sensor failure. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F20
LG LRE3021ST error code F20 means door locking system failure (lower oven). This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
LG LRE3021ST Error Code F2
LG LRE3021ST error code F2 means upper oven thermistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F19
LG LRE3021ST error code F19 means oven heating error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F18
LG LRE3021ST error code F18 means oven meat probe error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F17
LG LRE3021ST error code F17 means convection fan error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F16
LG LRE3021ST error code F16 means oven sensor issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code F11
LG LRE3021ST error code F11 indicates that the roasting thermometer is faulty or not connected properly. This guide explains what the code means, the safest first checks, and when to contac…
LG LRE3021ST Error Code F10
LG LRE3021ST error code F10 means door locking system failure (upper oven). This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
LG LRE3021ST Error Code F1
LG LRE3021ST error code F1 means upper oven thermistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code 6
LG LRE3021ST error code 6 means low voltage. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Code 5B
LG LRE3021ST code 5B means unit is in Sabbath Mode (Sb indicator). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code 5
LG LRE3021ST error code 5 means display error detected. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code 4
LG LRE3021ST error code 4 means metal objects or water have contacted the touch pads for a prolonged time. This guide explains the likely causes, the safest first checks, and when support o…
LG LRE3021ST Error Code 3
LG LRE3021ST error code 3 means thermistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code 2
LG LRE3021ST error code 2 means thermistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG LRE3021ST Error Code 1
LG LRE3021ST error code 1 means thermistor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
About this model
If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).
Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.