Lamar Technologies BETA D-50 User Manual
Page 30

6. TROUBLE-SHOOTING
Problem
Possible Cause
Corrective Action
F. Discharge current
Reversed polarity of
Ensure that polarity is
immediately surges
battery connection
respected on battery
to a high value and
connection. If connector has
blows DC fuse even
been removed ensure that DC
though the current
leads are not reversed.
adjust knob is set 
low 
Defective power control
With AC voltage and battery
module
disconnected , open unit and 
remove heavy leads from 
terminals on black 1”x1-1/2 ” 
(25 mmx37mm) power module. 
Check resistance between 
terminals with ohmmeter. If 
short circuit , call Power 
Products technical service at 
(415) 883-6300. 
If trouble cannot be located contact Power Products technical services at (415) 883-
6300. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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BETA D-50 TESTER / ANALYZER - OPERATING MANUAL V2.2
