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Mr-cool Mini Split H60 Error Code

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

Quick answer

H 60 returns after one safe reset or the condition does not clear. Tell them the manual trigger is "Indoor room temperature sensor T1 sampling voltage is lower than 0.06V or higher than 4.94V" and point them to 4.7 TS05-IDU: Indoor temperature sensor error diagnosis and solution. Technician boundary Stop here: compressor and electrical or inverter work is technician-only. Do not open panels, test capacitors, touch wiring, connect gauges, add refrigerant, or keep resetting the system.

Severity: high · DIY difficulty: intermediate

Safety

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What H60 means

H 60 returns after one safe reset or the condition does not clear. Tell them the manual trigger is "Indoor room temperature sensor T1 sampling voltage is lower than 0.06V or higher than 4.94V" and point them to 4.7 TS05-IDU: Indoor temperature sensor error diagnosis and solution. Technician boundary Stop here: compressor and electrical or inverter work is technician-only. Do not open panels, test capacitors, touch wiring, connect gauges, add refrigerant, or keep resetting the system.

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