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APPENDIX ➤ Troubleshooting En 151
Remote control
Problem Cause Remedy
The unit cannot be controlled using the remote
control.
The unit is out of the operating range. Use the remote control within the operating range (p.5).
The batteries are weak. Replace with new batteries.
The unit’s remote control sensor is exposed to direct sunlight or
strong lighting.
Adjust the lighting angle, or reposition the unit.
The remote control is set to control external devices.
Press SOURCE/RECEIVER to set the remote control to control the unit (the key
lights up in orange).
The remote control IDs of the unit and the remote control are not
identical.
Change the remote control ID of the unit or the remote control (p.133).
External devices cannot be controlled using the
remote control.
The remote control is set to control the unit.
Press SOURCE/RECEIVER to set the remote control to control external devices
(the key lights up in green).
The corresponding remote control code is not set properly.
Set the remote control code again (p.136). Even if the remote control code is
registered properly, some products may not respond to the remote control.
The remote control does not learn new functions.
The batteries of the remote control of the unit and/or the external
device are weak.
Replace with new batteries.
The distance between the two remote controls is not appropriate. Place the remote controls at a proper distance (p.138).
The signal coding or modulation of the other remote control is not
compatible with the remote control.
Learning is impossible in this case.
Memory capacity is full.
Clear unnecessary assignments to free some memory space for new functions
(p.143).