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Self-Diagnosis - Mitsubishi Electric PEH-RP200MYA Technical & Service Manual

Air-cooled split-type packaged air conditioners
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[3] Self-diagnosis

Retrieve the error history of each unit using the remote controller.
1
Switch to the self check mode.
When the H
[CHECK] button is pressed twice successively
within three seconds , the display shown below appears.
Self check address or self check refrigerant address
3
Self check result display <Error history> (For the contents of the error code, refer to 13. Troubleshooting, error code list.)
Error code 4 digits or error code 2 digits
<When there is no error histor y>
4
Error history reset
The error history is displayed in
When the D [
MENU] button is pressed twice successively
within three seconds , the self check address or refrigerant
address flashes.
5 Self check reset
There are the following two ways of resetting self check.
Press the H [CHECK] button twice successively within three seconds
Press the I [
ON/OFF] button
ERROR CODE
ERROR CODE
3
Self check results display.
ERROR CODE
Self check resets and indoor units stop.
(When operation is prohibited, this operation is ineffective.)
2
Set the address or refrigerant address No. you want to self check.
F
When the
[
TEMP. (
the address decreases and increases between 01 and 50 or
00 and 15. Set it to the address No. or refrigerant address No.
you want to self check.
Appro
ximately three seconds after the change operation,
the self check refrig erant address changes from flashing
to a steady light and self check begins.
Address 3 digits or unit address No. 2 digits
<When opposite side does not exist>
ERROR CODE
ERROR CODE
When the error history was reset, the display shown below appears.
When error history reset failed, the error contents are displayed again.
ERROR CODE
Resets self check and returns to the state before self check.
- 29 -
) and (
)] buttons are pressed,

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