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Lg Mini Split H22 Error Code

Updated 2026-08-29 · review status: draft Draft - unverified

Quick answer

H 22 means the outdoor unit detected an overcurrent condition at the inverter compressor input. That is an electrical/compressor-protection fault, not something to troubleshoot inside the cabinet. Advisory Technician Breadth evidence 6 published catalog models on its documented product line. Safe first check Turn the system off and power cycle once at the breaker if you can do that safely. If.

Severity: high · DIY difficulty: intermediate

Safety

TBD - must be written per-code before publish

What H22 means

H 22 means the outdoor unit detected an overcurrent condition at the inverter compressor input. That is an electrical/compressor-protection fault, not something to troubleshoot inside the cabinet. Advisory Technician Breadth evidence 6 published catalog models on its documented product line. Safe first check Turn the system off and power cycle once at the breaker if you can do that safely. If.

Causes, ranked

  1. Causes not yet documented — verify against the service manual.

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Sources

  • SplitAtlas manual-sourced reference — verified 2026-08-29