First Alert DW-702 User Manual

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19 
 
Troubleshooting 
 
Problem Possible 
Causes 
Remedies 
System message 
shows “No Signal” 
No power supply to 
camera 
If camera power status indicator light is off, 
check power adapter and power cable 
connection. 
Channel is not linked up 
to camera 
Move the camera closer to the receiver, and 
connect the camera to the desired channel. Go 
to “Camera Setup” in the Menu. Use the 
“Pairing” sub-menu to connect the camera to 
the receiver. 
Service out of range 
Move the camera closer to the receiver. 
Signal is blocked 
If possible, remove major obstacles in 
between the camera and the receiver. Or, 
relocate the camera to another location. 
Low or unstable 
signal 
Antenna direction is 
limited 
Adjust the camera antenna and receiver 
position. 
Signal has been blocked 
If possible, remove major obstacles in 
between the camera and receiver. Or, relocate 
the camera to another location. 
Strong radio signal 
nearby 
Keep WIFI router away from the camera 
and/or receiver. 
Strong electromagnetic 
interference nearby 
Keep active appliances such as hair dryers, 
heat fans, air conditioners, water pumps, or 
microwave ovens away from the camera 
and/or receiver. 
Channel(s) 
disappear during 
auto or manual scan 
Scan channel(s) has been 
turned OFF 
Go to Menu; turn ON the channel(s). 
Dim or overly bright 
image at night time 
Low light vision distance 
is too short/too far or a 
glass pane is too close 
Adjust the camera to have the view fit the 
ideal distance: 15 to 24ft. 
Recording does not 
work   
 
No SD Card 
Insert SD Card. 
SD Card locked 
Unlock the SD Card. 
Motion detection 
does not work 
Motion Detection record 
time is set to OFF 
Always set Motion Detection record period to 
5 sec, 10 sec, or 15 sec.