Error code

Mitsubishi Electric GUF code 0900

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Meaning

Test run

Member details

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

Possible causes

• Is the test operation SW for the air blow, humidifier solenoid valve or bypass damper turned ON? • Is there a leak from the permeable-film humidifier pipe?

Solution

Solution steps are available to members and are not shown on this page. Answer the questions to open the solution.

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