How To Proceed "Self-Diagnosis" - Mitsubishi Electric SUZ-M25VA Technical & Service Manual

11-3. HOW TO PROCEED "SELF-DIAGNOSIS"

As this air conditioner has a function to memorize all the failures that had occured, the latest failure detail can be recalled by
following the procedure below.
Use this function when the check code is not displayed with wired remote controller or the remote controller at use is wireless
type.
11-3-1. Self-diagnosis <PAR-3xMAA ("x" represents 0 or later)>
Select "Service" from the Main menu, and press the
1
Select "Self check" with the F1 or F2 button, and press the
With the F1 or F2 button, enter the refrigerant address, and press the
2
Check code, unit number, attribute will appear.
3
"-" will appear if no error history is available.
Resetting the error history.
4
Press the F4 button (Reset) on the screen that shows the error history.
A confirmation screen will appear asking if you want to delete the error history.
Press the F4 button (OK) to delete the error history.
If deletion fails, "Request rejected" will appear.
"Unit not exist" will appear if no indoor units that are correspond to the entered
address are found.
Navigating through the screens
• To go back to the Service menu ..........
• To return to the previous screen .......
OCH684
button.
button.
button.
button
button
26
S e v r c i e m e n u
Test run
Input maintenance info.
Function setting
Check
Self check
M a n i m e n : u
C u s r r o
F1 F2 F3 F4
S e f l c h e k c
Ref. address
S e e l c : t
A d d e r s s
F1 F2 F3 F4
S e f l c h e k c
Ref. address
Error Unt # G r . p C I
Return:
R e s t e
When there is no error history
F1 F2 F3 F4
Self check
Ref. address
-- --
Error Unt # Grp.
--
Return:
Reset
F1 F2 F3 F4
Self check
Ref. address
Delete error history?
Cancel OK
F1 F2 F3 F4
Self check
Ref. address
Error history deleted
Return:
F1 F2 F3 F4