Lennox LNWR21X Service Manual page 21

Service Manual
Replacement of Batteries in Remote Controller
1. Press the back side of remote controller on the spot marked with
push out the cover of battery box along the arrow direction.
2. Replace two No.7 (AAA 1.5V) dry batteries and make sure the positions of + and --
polar are correct.
3. Reinstall the cover of battery box.
Note:
During operation, point the signal sender of the remote controller at the receiving
window of the indoor unit;
The distance between signal sender and receiving window should be within 8m.
There should be no obstacle between them.
Signal may be interfered easily in the room where there is fl uorescent lamp
or wireless telephone; Remote controller should be close to indoor unit during
operation.
Replace new batteries of the same model when replacement is required.
If you don't use remote controller for a long time, please take out the batteries.
If the display on remote controller is fuzzy or if there's no display, please replace
batteries.
Technical Information
, and then
battery
reinstall
remove
cover of battery box
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