Toshiba MMU-UP0071MH-UL Service Manual page 81

Check code clearing function
How to clear the check code using the wired remote controller
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Clearing a check code of the outdoor unit
Clear the currently detected outdoor unit for each refrigerant
line to which the indoor unit controlled by the remote controller is connected.
(The indoor unit check code is not cleared.)
Use the service monitoring function of the remote controller.
1
Push [ Menu] to open the "Menu"
2
Push and hold [
• Push and hold 4 seconds.
3
Push [ ] and [
→ In a group connection, after a selection in the unit selection screen, move to the "Monitor function" screen.
4
Push [ ] to black highlight the code (DN),and then push [
No. to FF
5
The display in A of the following figure counts down as follows at 5-second intervals:
"0005" → "0004" → "0003" → "0002" → "0001" → "0000".
The check code is cleared when "0000" appears.
However, the display counts down from "0005" again.
Clearing a check code of the indoor unit
Push the [ON / OFF ] button on the remote controller.
(Only the check code of the indoor unit controlled by the remote controller will be cleared.)
Menu] and [ ] at the same time to open "Field setting menu"
] to select "Monitor function", and then push [
– 81 –
Set/Fix]
] and [ ] to set the code