9.0
Trouble Shooting and Repair
9.1
General
OPERATING
CONDITION
SYMPTOMS
POSSIBLE
CAUSES
REPAIR
PROCEDURES
CB1 off.
CB2 off.
Output terminals con-
nected to battery or
paralleled rectifiers.
Rectifier fail LED does
not light.
Output connection po-
larity incorrect.
Faulty front panel PCB
assembly.
Correct Output Polarity.
Replace front panel
PCB.
CB1 on.
AC Power Connected.
(CB2 off).
Power on LED and front
LED do not light. Panel
meter does not light.
AC Power Source prob-
lem.
CB1 faulty.
T1 faulty.
F1 blown.
Correct AC source.
Replace CB1.
Replace T1.
Replace F1.
CB1 on.
AC Power present
(CB2 off).
Power on LED and float
LED lights panel meter
does not light, unit does
not operate.
Fault in +5 volt auxiliary
supply.
Short of +5 volt auxil-
iary supply.
5 volt auxiliary
supply.
Repair short.
Replace front panel
PCB assembly.
CB1 on.
AC power present
(CB2 off).
Front Panel meter lights,
float and power on LED
do not light.
Fault in -12 volt auxil-
iary supply.
Short of -12 volt auxil-
iary supply.
Repair -12 volt auxiliary
supply.
Repair short.
Replace front panel
PCB assembly.
Document #010-002-C0 Rev. H Page 30
ARGUS TECHNOLOGIES
Содержание RST 48/30
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