Error code

Mitsubishi Electric PUHZ code E9

No approved translation for this record yet; showing the original text.

Meaning

Interface unit/Flow temp. controlleroutdoor unit communication error (Transmitting error) (Outdoor unit) (1) Abnormal if “0” receiving is detected 30 times continuously though outdoor controller circuit board has transmitted “1”. (2) Abnormal if outdoor controller circuit board could not find blank of transmission path for 3 minutes.

Member details

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

View details as a member

Possible causes

(1) Interface unit/Flow temp. controller-outdoor unit connecting wire has contact failure. (2) Defective communication circuit of outdoor controller circuit board (3) Noise has entered power supply. (4) Noise has entered Interface unit/Flow temp. controlleroutdoor unit connecting wire.

Solution

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

Remote technician support

Get help from a technician over a video call.

Send a message Voice call Video call