Troubleshooting - Toshiba MMU-UP0071MH-UL Installation Manual

3
Cleaning with water or vacuum cleaner.
• If dirt is heavy, clean the air filter using tepid
water with a neutral detergent or just water.
• After cleaning with water, dry the air filter
sufficiently in a shaded place.
4
Mount the air filter.
5
Close the air intake grille.
• Check that the fall-preventive strap of the air
intake grille is attached to the panel.
• In inverse process of 1, firmly attach the hook,
fixing bracket and fixing screw.
Hook
6
Turn on the circuit breaker, then push the
button on the remote control to start
ON/OFF
the operation.
7
After cleaning, perform "Filter Sign Reset".
CAUTION CAUTION
Do not start the air conditioner while leaving air filter
removed.
35-EN
▼Filter sign reset
• If the air conditioners are operated while " " is
displayed, then "Filter check." is displayed. Push an
operation button while it is displayed or leave it for at
least 5 seconds and the display will disappear.
When the filter check mark is displayed
(filter check reset)
1
In "Menu", select "Filter sign reset", and
push [ Set/Fix]
2
Push [ Set/Fix]
11

Troubleshooting

 Confirm and check
Check code
Indoor unit number
When a trouble occurs in the air conditioner, the check code
and the indoor unit number flash on the display of the remote
control.
* The check code is only displayed during the operation.
When the check code and indoor unit number are displayed,
pushing [ Return] opens the "Check" screen.
In the "Check" screen, push [ Set/Fix] to show the
contacts.
Push [ Menu] to display "Model information".
– 18 –
 Contact information for
repairs
You can look for contact information for repairs.
1
In the "Information" screen, push [ ] and
[ ] to select "Service information", and
then push [ Set/Fix]
EN
36-EN