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Mitsubishi Heat Pump: Read the error history with the wired remote self-check

Updated · by Aurora Star Tech Inc.

Read the error history with the wired remote self-check on a Mitsubishi heat pump: Shows the stored check codes on the wired remote LCD; use it to read the last fault, not to run the unit.

Homeowner with a heat pump problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Applies to: Mr. Slim PEAD-RP JA(L) ducted indoor units with PAR-21MAA wired remote

How to fix read the error history with the wired remote self-check: step by step

  1. Turn the power on.
  2. Press the CHECK button twice.
  3. If system control is used, set the refrigerant address with the TEMP buttons.
  4. Read the check code on the LCD.
  5. End the self-check with the ON/OFF button.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

If the unit shows an error code, look it up: Mitsubishi Heat Pump codes

Models

PEAD-RP35JAPEAD-RP35JALPEAD-RP50JAPEAD-RP50JALPEAD-RP60JAPEAD-RP60JALPEAD-RP71JAPEAD-RP71JALPEAD-RP100JAPEAD-RP100JALPEAD-RP125JAPEAD-RP125JALPEAD-RP140JAPEAD-RP140JAL

Source: Mitsubishi PEAD-RP35JA(L) Service Manual, 10-2 Self-Check Function, p.27. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency HVAC Service

647-657-2977