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LG Prime 12S device hub

Use this device hub to troubleshoot LG Prime 12S for this air conditioner. Start with the common codes and symptom themes, use the shared support context if you need manuals or official help, and jump into the exact error page only when the code matches. This model currently has 24 distinct codes across 24 published fix pages.

Air ConditionerP8P7P6P4
Fix pages
24
Error codes
24
Last updated
Apr 26, 2026
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Use the exact error page when you know the code. Otherwise stay in this device hub to compare the most likely routes first, then branch into the fix that matches the symptom.

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Common troubleshooting themes

These patterns are derived from the currently published fixes for this model and help you pick the right route faster.

Temperature and heating performance
Water flow, draining, or leaks
Doors, locks, and latches
Motors, fans, pumps, and moving parts

Recently updated fixes

Fresh pages first — useful when you’re troubleshooting right now.

LG Prime 12S Error Code P8

LGAir ConditionerPrime 12SCode P8

LG Prime 12S error code P8 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code P7

LGAir ConditionerPrime 12SCode P7

LG Prime 12S error code P7 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code P6

LGAir ConditionerPrime 12SCode P6

LG Prime 12S error code P6 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code P4

LGAir ConditionerPrime 12SCode P4

LG Prime 12S error code P4 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code FL

LGAir ConditionerPrime 12SCode FL

LG Prime 12S error code FL means condensate not draining / tank full. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 2/5

LG Prime 12S Error Code F4

LGAir ConditionerPrime 12SCode F4

LG Prime 12S error code F4 means may indicate low refrigerant or test-run protection. This guide explains the likely causes, the safest first checks, and when support or service is the bett…

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code EF

LGAir ConditionerPrime 12SCode EF

LG Prime 12S error code EF means outdoor fan issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

LG Prime 12S Error Code E6

LGAir ConditionerPrime 12SCode E6

LG Prime 12S error code E6 means indoor fan issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

All error codes

Pick your code to open the fix page.

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All fixes for this model

One card per code. If a code has multiple variants, the card opens the filtered results list.

LG Prime 12S Error Code P8

LGAir ConditionerPrime 12SCode P8

LG Prime 12S error code P8 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code P7

LGAir ConditionerPrime 12SCode P7

LG Prime 12S error code P7 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code P6

LGAir ConditionerPrime 12SCode P6

LG Prime 12S error code P6 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code P4

LGAir ConditionerPrime 12SCode P4

LG Prime 12S error code P4 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code FL

LGAir ConditionerPrime 12SCode FL

LG Prime 12S error code FL means condensate not draining / tank full. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 2/5

LG Prime 12S Error Code F4

LGAir ConditionerPrime 12SCode F4

LG Prime 12S error code F4 means may indicate low refrigerant or test-run protection. This guide explains the likely causes, the safest first checks, and when support or service is the bett…

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code EF

LGAir ConditionerPrime 12SCode EF

LG Prime 12S error code EF means outdoor fan issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

LG Prime 12S Error Code E6

LGAir ConditionerPrime 12SCode E6

LG Prime 12S error code E6 means indoor fan issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

LG Prime 12S Error Code E0

LGAir ConditionerPrime 12SCode E0

LG Prime 12S error code E0 means indoor-outdoor communication error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code CH93

LGAir ConditionerPrime 12SCode CH93

LG Prime 12S error code CH93 means indoor-outdoor communication problem. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Code CH91

LGAir ConditionerPrime 12SCode CH91

LG Prime 12S code CH91 means test-run protection display. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 1/5Difficulty 1/5

LG Prime 12S Code CH90

LGAir ConditionerPrime 12SCode CH90

LG Prime 12S code CH90 means test-run protection display. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 1/5Difficulty 1/5

LG Prime 12S Error Code CH67

LGAir ConditionerPrime 12SCode CH67

LG Prime 12S error code CH67 means outdoor fan issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

LG Prime 12S Error Code CH66

LGAir ConditionerPrime 12SCode CH66

LG Prime 12S error code CH66 means communication line/piping connection issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next…

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code CH61

LGAir ConditionerPrime 12SCode CH61

LG Prime 12S error code CH61 means outdoor overheat in cooling or indoor overheat in heating. This guide explains the likely causes, the safest first checks, and when support or service is…

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code CH54

LGAir ConditionerPrime 12SCode CH54

LG Prime 12S error code CH54 means may follow power outage/electrical work (reverse phase). This guide explains the likely causes, the safest first checks, and when support or service is th…

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code CH53

LGAir ConditionerPrime 12SCode CH53

LG Prime 12S error code CH53 means indoor-outdoor communication error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code CH38

LGAir ConditionerPrime 12SCode CH38

LG Prime 12S error code CH38 means low refrigerant (gas). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code CH34

LGAir ConditionerPrime 12SCode CH34

LG Prime 12S error code CH34 means same as CH61 (overheat). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5

LG Prime 12S Error Code CH10

LGAir ConditionerPrime 12SCode CH10

LG Prime 12S error code CH10 means indoor fan issue. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 1/5Parts

LG Prime 12S Error Code CH07

LGAir ConditionerPrime 12SCode CH07

LG Prime 12S error code CH07 means conflicting operating modes between units. This guide explains the likely causes, the safest first checks, and when support or service is the better next…

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code CH05

LGAir ConditionerPrime 12SCode CH05

LG Prime 12S error code CH05 means indoor-outdoor communication error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

LG Prime 12S Error Code CH04

LGAir ConditionerPrime 12SCode CH04

LG Prime 12S error code CH04 means condensate not draining / tank full. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 2/5Difficulty 2/5

LG Prime 12S Error Code CH00

LGAir ConditionerPrime 12SCode CH00

LG Prime 12S error code CH00 means unit requires inspection. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.

Severity 3/5Difficulty 1/5Parts

About this device hub

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.

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