Whistler LASER/RADAR DETECTOR - Manual (Page 12)

TROUBLESHOOTING GUIDE
21 20
COMMUNICATION BREAKDOWN
Your Whistler detector is expertly engineered and designed to
exacting quality standards to provide you with reliable, trouble-free
operation. If your unit has been correctly installed following the
guidelines in this manual, but is not operating optimally, please
refer to the troubleshooting guide below.
PROBLEM: No display.
• Check fuse in power cable, replace if necessary.
• Check fuse in fuse box, replace if necessary.
• Make sure power cable is properly grounded.
PROBLEM: Unit alarms when vehicle equipment or electrical
accessories (brakes, power mirrors/windows, directionals, horn, etc.)
• Check conditions of vehicle’s electrical system, including battery
and alternator.
• Install a filter capacitor (470 mfd. 25 volt or larger capacitance
value) where power connection is made.
PROBLEM: Display shows communication error. Also see page 20.
• Warning communicates “loss of link” between control panel and
Laser-Radar antenna.
• Check antenna connection at back of control panel.
• Contact the factory if you suspect antenna is defective.
If difficulties occur which cannot be solved by information in
this Troubleshooting Guide, please call Whistler Customer
Service at 1-800-531-0004 before returning your unit for service.
Communication Breakdown
If a problem arises between the control panel and the
laser/radar antenna, the unit will give a unique audio tone,
and the B/L will go to full brightness.
The display shows:
Trouble w/ Radar Antenna Trouble w/ Temp Probe
If a COM error occurs:
• Press P/V to turn unit off.
• Check connection in back of control panel.
• Perform “reset features.”
• See dealer/installer.
If a T error occurs:
• Press P/V to turn off unit.
• Check temperature probe installation for possible
pinched wire.
• See dealer/installer.
NOTE: This T error occurs only at Power Up.