Maintenance; Troubleshooting - Toshiba MML-UP0071BH-UL Installation Manual

10

Maintenance

<Daily maintenance>
▼ Cleaning of air filter
• If is displayed on the remote control, maintain the
air filter.
• Be sure to stop the air conditioner before cleaning of
air filter, then turn off the circuit breaker.
1
Take out the air filter.
• Push down hook of the air filter on the front
panel (Lower side).
• Pull the air filter toward you to remove it.
Front panel (Lower)
Air filter knob
• Cleaning with water or vacuum cleaner
• If dirt is heavy, clean the air filter by tepid
water with neutral detergent or water.
• After cleaning with water, dry the air filter
sufficiently in a shade place.
• Mount the air filter.
2
Turn on the circuit breaker, then push the
ON/OFF button on the remote control to start
the operation.
3
After cleaning, perform "Filter Sign Reset".
CAUTION
Do not start the air conditioner while leaving air filter
removed.
27-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".
– 14 –
 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
28-EN