LG Ultra 8Pro device hub
Use this device hub to troubleshoot LG Ultra 8Pro 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.
Try E2, temperature, or won’t start.
Open the highest-signal error pages for this device first when you already know the code family.
Let the published patterns narrow you into the right branch before you open parts or call support.
Use the full code directory when the display is clear and you want the exact route fast.
Most common error codes
Start here when you want the shortest path from this device hub to the exact troubleshooting page.
LG Ultra 8Pro error code P8 means same as CH61 (overheat). This guide explains the likely causes, the safest f
LG Ultra 8Pro error code P7 means same as CH61 (overheat). This guide explains the likely causes, the safest f
LG Ultra 8Pro error code P6 means same as CH61 (overheat). This guide explains the likely causes, the safest f
LG Ultra 8Pro error code P4 means same as CH61 (overheat). This guide explains the likely causes, the safest f
LG Ultra 8Pro error code FL means condensate not draining / tank full. This guide explains the likely causes,
LG Ultra 8Pro error code F4 means may indicate low refrigerant or test-run protection. This guide explains the
LG Ultra 8Pro error code EF means outdoor fan issue. This guide explains the likely causes, the safest first c
LG Ultra 8Pro error code E6 means indoor fan issue. This guide explains the likely causes, the safest first ch
Need more help with this model?
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.
This panel stays shared across all products. Optional device links only appear when profile data exists.
Common troubleshooting themes
These patterns are derived from the currently published fixes for this model and help you pick the right route faster.
Recently updated fixes
Fresh pages first — useful when you’re troubleshooting right now.
LG Ultra 8Pro Error Code P8
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code P7
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code P6
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code P4
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code FL
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code F4
LG Ultra 8Pro 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 bet…
LG Ultra 8Pro Error Code EF
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code E6
LG Ultra 8Pro 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.
All error codes
Pick your code to open the fix page.
All fixes for this model
One card per code. If a code has multiple variants, the card opens the filtered results list.
LG Ultra 8Pro Error Code P8
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code P7
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code P6
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code P4
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code FL
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code F4
LG Ultra 8Pro 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 bet…
LG Ultra 8Pro Error Code EF
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code E6
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code E0
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH93
LG Ultra 8Pro 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.
LG Ultra 8Pro Code CH91
LG Ultra 8Pro 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.
LG Ultra 8Pro Code CH90
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH67
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH66
LG Ultra 8Pro 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 nex…
LG Ultra 8Pro Error Code CH61
LG Ultra 8Pro 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…
LG Ultra 8Pro Error Code CH54
LG Ultra 8Pro 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 t…
LG Ultra 8Pro Error Code CH53
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH38
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH34
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH10
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH07
LG Ultra 8Pro 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…
LG Ultra 8Pro Error Code CH05
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH04
LG Ultra 8Pro 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.
LG Ultra 8Pro Error Code CH00
LG Ultra 8Pro 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.
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.