Mitsubishi Electric PUMY-P250YBM2-ER Technical & Service Manual page 150

12-7. SELF-DIAGNOSIS
12-7-1. PAR-4xMAA
("x" represents 0 or later)
1. Select ˝Service˝ from the Main menu,
and press the [ ] button.
Select ˝Check˝ from the Service menu,
and press the [ ] button.
Select ˝Diagnosis˝ from the Check menu,
and press the [ ] button.
Select ˝Self check˝ with the F1 or F2 button,
and press the [ ] button.
2. Select "Self check" from the Diagnosis menu, and press
the [ ] button to view the Self check screen.
With the F1 or F2 button, enter the M-NET address,
and press the [ ] button.
Check code, unit number, attribute, and indoor unit de-
mand signal ON/OFF status at the contact will appear.
"-" will appear if no error history is available.
3. Resetting the error history
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, and "Unit not exist" will appear if
indoor units that are correspond to the entered address are not found.
TCH091
Self check
M-NET address
Error Grp. IC
Contact Off
Return:
Reset
150
Diagnosis
Self check
Remote controller check
Service menu:
Cursor
F1 F2 F3 F4
S e f l c h e k c
M-NET address
S e e l c : t
A d d e r s s
When there is no error history
Self check
M-NET address
-
Error Grp.
---- --
Contact Off
Return:
Reset
Self check
M-NET address
Delete error history?
Cancel OK
Self check
M-NET address
Error history deleted
Return: