SV91M Operating & Maintenance Instructions
12
SECTION 8: TABLES
8.1 Basic Fault Finding Table
NOTE:
The table below assists fault finding down to component levels. However, should the
degaussing coil or tuning capacitors be found to be faulty it is recommended that the unit
be returned to VS Security Products for repair.
TABLE 1
Function
Symptoms
Possible Fault
Location
_______________________________________________________________________
Fails to degauss
Circuit Breaker
Incorrect supply
User Source
media
CB1 repeatedly tripped
voltage/frequency
Faulty degauss coil Inside centre and
L1 and/or tuning
left hand side
capacitors C1-C4
_______________________________________________________________________
Power lamp
Fails to illuminate
Loss of mains
User source
supply
Tripped Circuit
Breaker
Rear panel
Faulty switch
Front panel
Faulty neon
Front panel
_______________________________________________________________________
Degauss lamp
Fails to illuminate
Extensive use of
degausser caused
overheating. Allow
unit to cool (not a
fault.)
Faulty neon
Front panel
Faulty solid state
Inside on right
relay R1
hand side
Faulty thermal
Inside on front
switch SW2
end of degaussing
coil
Faulty transformer
Inside front on
TX1
left hand side
Cooling fan
Fails to operate
Faulty thermal
Inside on front
switch SW3
end of degaussing
coil
Faulty Fan M1
Rear Panel