P2
TCL High Temperature Protection / Compressor Overheat (portable models)

Portable AC shows P2 and stops cooling intermittently.

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Possible Causes

Blocked exhaust hose, exhaust hose too long or kinked, unit placed too close to a wall, dirty condenser filter or coil inside portable unit.

How to Fix / Troubleshooting

Safety first: Unplug the unit before adjusting hoses or cleaning.

  • Step 1 – Check exhaust hose: Ensure the hose is as short and straight as possible, with no kinks. Do not exceed the maximum length specified by TCL.
  • Step 2 – Improve ventilation: Move the unit at least 30 cm away from walls or furniture. Ensure the exhaust window kit is properly installed and sealed.
  • Step 3 – Clean filters: Remove and clean all air filters according to the manual.
  • Step 4 – Allow cooling: Let the unit rest for 30 minutes, then restart.

Warning: Operating with a blocked exhaust can overheat and damage the compressor.

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Repair Difficulty

Very Easy 1/5
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