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2081-935 Rev D 12/19/05 

Page 5 of 5

 

 
 
 
 
TROUBLE SHOOTING 

 
If you encounter problems with your fireplace system, the problem may be with the fireplace itself or it could be with the HEARTH & 
HOME TECHNOLOGIES wall timer system.  Review the fireplace manufacturer’s operation manual to make sure all connections are 
properly made.  Then check the operation of the HEARTH & HOME TECHNOLOGIES system in the following manner: 

 

Make sure the batteries are correctly installed in the RECEIVER.  One reversed battery will keep receiver from operating properly. 

 

Check battery in Wall Transmitter to make sure they are good and installed correctly.  

 

Be sure RECEIVER and Transmitter is within 20’-25’ operating range. 

 

Keep RECEIVER from temperatures exceeding 130

0

 F.  Battery life shortened when ambient temperatures are above 130

0

 F. 

 

If RECEIVER is installed in tightly enclosed metal surround, the operating distance will be shortened.  

 

 

RECEIVER ADJUSTMENT – RECOMMENDED ADJUSTMENT 

 
NOTE: The slide button, White or Black, covers the ADJ access hole when installed. 

 

 

 

 

 

 

 

 

 

 

 

A.  To adjust at the receiver, use a small slotted screwdriver.  Turn the adjustment screw  

counter-clockwise about 5 degrees or a maximum of 1/8 turn.  This should correct the  
distance problem. 

B.  If that does not correct the problem, return adjustment screw to original position and  

then turn adjustment screw clockwise.   

 
This adjustment is like tuning your radio.  If you keep turning the adjustment screw, in either  
direction, you will go past the proper setting (tuning). 
 
 

SPECIFICATIONS 
 

BATTERIES:  Transmitter (2) 3V Button Cell Batteries (CR-2032)                       
 

         Remote Receiver 6V –4ea. AA 1.5 Alkaline                       FCC ID No.’s: transmitter –K9LTMR2A; receiver – K9L3301RX  

Operating Frequency:  303.875MHZ                               Canadian ISC ID No.’s:  transmitter –2439A-TMR2A; receiver – 2439A-3301RX 
 

 
 
 

 

FCC REQUIREMENTS 

NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV INTERFERENCE CAUSED BY 
UNAUTHORIZED MODIFICATIONS TO THIS EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER’S AUTHORITY 
TO OPERATE THE EQUIPMENT. 

 

REMOTE

OFF

LEARN

ADJ.

Wire terminals

Remote Receiver

Frequency adjusting

        access hole

Learning

 button

ON

 

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