Sanyo PLC-XW20A Owner's Manual page 41

Problem:
Remote Control Unit
does not work.
WARNING :
High voltages are used to operate this projector. Do not attempt to open the cabinet.
If the problem still persists after following all operating instructions, contact the sales dealer where you purchased the
projector or the service center. Give the model number and explain the difficulty. We will advise you how to obtain service.
G Check the battery.
G Make sure nothing is between Infrared Remote Receiver and Remote Control Unit.
G Make sure you are not too far from a projector when using Remote Control Unit.
Maximum operating range is 16.4' (5m).
G Make sure the code of Remote Control Unit is set to conform to projector.
(See "SETTING" section on page 35, 36.)
This symbol on the nameplate means the product is Listed by Underwriters
Laboratories Inc. It is designed and manufactured to meet rigid U.L. safety standards
against risk of fire, casualty and electrical hazards.
Try these Solution
APPENDIX
41