Mitsubishi Electric PAC-YT52CRA Manuel D'installation page 22

5To check the settings, repeat steps 2 to 4.
To complete the checking process, press the
for two seconds or longer.
Response has been received.
Indoor unit address setting
Current
setting value
10 Self diagnosis
Retrieve the error history of each unit using the Simple MA controller.
1 Switch to the self-diagnosis mode.
ON
When the A
OFF
figure shown below is displayed.
2 Set the address or refrigerant address No. you want to self-diagnosis.
When the B
between 01 and 50 or 00 and 15. Set it to the address No. or refrigerant address No. you want to
self-diagnosis.
Self-diagnosis address
or self-diagnosis
refrigerant address
-------------------------------------------------------------------------------------------------------------------------------------
. .
Function Setting No. setting
Waiting for response
Response is
received.
Response has been received.
button and the C
and C
. . . .
and the
No
response
The specified indoor unit does not exist.
The setting for the specified Function Setting No. has not
been completed.
button are pressed for 5 seconds or longer, the
. .
are pressed, the address decreases and increases
– 22 –
buttons at the same time
Approximately three seconds
after the change operation, the
self-diagnosis refrigerant
address changes from flashing
to a steady light and self-
diagnosis begins.