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LG Classic 11Pro device hub

Use this device hub to troubleshoot LG Classic 11Pro 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 Classic 11Pro Error Code P8

LGAir ConditionerClassic 11ProCode P8

LG Classic 11Pro 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 Classic 11Pro Error Code P7

LGAir ConditionerClassic 11ProCode P7

LG Classic 11Pro 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 Classic 11Pro Error Code P6

LGAir ConditionerClassic 11ProCode P6

LG Classic 11Pro 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 Classic 11Pro Error Code P4

LGAir ConditionerClassic 11ProCode P4

LG Classic 11Pro 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 Classic 11Pro Error Code FL

LGAir ConditionerClassic 11ProCode FL

LG Classic 11Pro 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 Classic 11Pro Error Code F4

LGAir ConditionerClassic 11ProCode F4

LG Classic 11Pro 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…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Error Code EF

LGAir ConditionerClassic 11ProCode EF

LG Classic 11Pro 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 Classic 11Pro Error Code E6

LGAir ConditionerClassic 11ProCode E6

LG Classic 11Pro 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 Classic 11Pro Error Code P8

LGAir ConditionerClassic 11ProCode P8

LG Classic 11Pro 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 Classic 11Pro Error Code P7

LGAir ConditionerClassic 11ProCode P7

LG Classic 11Pro 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 Classic 11Pro Error Code P6

LGAir ConditionerClassic 11ProCode P6

LG Classic 11Pro 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 Classic 11Pro Error Code P4

LGAir ConditionerClassic 11ProCode P4

LG Classic 11Pro 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 Classic 11Pro Error Code FL

LGAir ConditionerClassic 11ProCode FL

LG Classic 11Pro 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 Classic 11Pro Error Code F4

LGAir ConditionerClassic 11ProCode F4

LG Classic 11Pro 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…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Error Code EF

LGAir ConditionerClassic 11ProCode EF

LG Classic 11Pro 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 Classic 11Pro Error Code E6

LGAir ConditionerClassic 11ProCode E6

LG Classic 11Pro 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 Classic 11Pro Error Code E0

LGAir ConditionerClassic 11ProCode E0

LG Classic 11Pro 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 Classic 11Pro Error Code CH93

LGAir ConditionerClassic 11ProCode CH93

LG Classic 11Pro 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 s…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Code CH91

LGAir ConditionerClassic 11ProCode CH91

LG Classic 11Pro 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 Classic 11Pro Code CH90

LGAir ConditionerClassic 11ProCode CH90

LG Classic 11Pro 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 Classic 11Pro Error Code CH67

LGAir ConditionerClassic 11ProCode CH67

LG Classic 11Pro 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 Classic 11Pro Error Code CH66

LGAir ConditionerClassic 11ProCode CH66

LG Classic 11Pro 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…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Error Code CH61

LGAir ConditionerClassic 11ProCode CH61

LG Classic 11Pro 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…

Severity 3/5Difficulty 1/5

LG Classic 11Pro Error Code CH54

LGAir ConditionerClassic 11ProCode CH54

LG Classic 11Pro 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 i…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Error Code CH53

LGAir ConditionerClassic 11ProCode CH53

LG Classic 11Pro 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 ste…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Error Code CH38

LGAir ConditionerClassic 11ProCode CH38

LG Classic 11Pro 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 Classic 11Pro Error Code CH34

LGAir ConditionerClassic 11ProCode CH34

LG Classic 11Pro 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 Classic 11Pro Error Code CH10

LGAir ConditionerClassic 11ProCode CH10

LG Classic 11Pro 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 Classic 11Pro Error Code CH07

LGAir ConditionerClassic 11ProCode CH07

LG Classic 11Pro 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 n…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Error Code CH05

LGAir ConditionerClassic 11ProCode CH05

LG Classic 11Pro 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 ste…

Severity 3/5Difficulty 1/5Parts

LG Classic 11Pro Error Code CH04

LGAir ConditionerClassic 11ProCode CH04

LG Classic 11Pro 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 st…

Severity 2/5Difficulty 2/5

LG Classic 11Pro Error Code CH00

LGAir ConditionerClassic 11ProCode CH00

LG Classic 11Pro 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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