Code 3 420 Mini Bar Series - Manual (Page 6)

6
PROBLEM
360 corner module
not operating when
powered.
360 corner module
has one head out.
360 corner module
has one head out.
POSSIBLE CAUSE
a. Bad power/ground
connection.
b. Defective module.
a. See next
a. Check white wire between
master/slave modules for
damage or disconnection.
b. Check power and ground
of front module.
a. See next
a. No power to master.
Master(Rear) must be
powered for slave(front)
to operate.
b. Failed master.
SOLUTION
a. Fix connection.
b. Replace module.
a. Fix white wire/connection.
b. Fix power/ground
connection.
a. Check power/ground
connections.
b. Replace entire 360
module.
Follow the guide below for information on repair and troubleshooting.
LED MODULE
TROUBLESHOOTING GUIDE
Troubleshooting
All 425 LED Beacons are thoroughly tested prior to shipment. However, should you encounter a problem
during installation or during the life of the product, follow the guide below for information on repair and trouble-
shooting. Additional information may be obtained from the factory technical help line
at 314-426-2700 ext. 2132.
Note: LED modules must be replaced as a module. There are no user serviceable parts.
QUESTIONS
Are both heads
out?
Is the rear head
flashing and the
front head out?
Is the front head
steady burning
and the rear
head out?
Jumper Installation
Yes
No
Yes
No
Yes
No
Figure 2