Service manual

POSSIBLE PROBLEM POSSIBLE CAUSE SERVICE SUGGESTION
Money accepted no product
vended
No selections work Check No.1 selection switch,
replace if necessary.
No. 1 selection works, No. 2
thru last does not.
Check No 2. section switch,
replace it necessary. This
pattern can continues thru last
selection switch as selection
circuit goes from 1 to 2 to 3.
etc., to last
Soldout Switch (of column
selected) inoperative
Check switch, replace
Motor starts, does not run Check motor carrier switch,
replace switch
Vend motor runs until two or
three products are vended or
vend motors run continuously.
Improper cam lobe adjustment Check Cam for proper
arrangement of cam lobes
(see product set up guide)
Motor carrier switch not
making contact with cam lobe
or switch
Check lever for proper lever
positioning and freedom of
movement
Refrigeration unit will not run
at all
No power to vendor Check power supply also
check service cord
connections.
Thermostat open (temperature
control)
Check thermostat (Apply
insulated jumper across
terminals, if compressor starts,
replace thermostat)
Temperature control bulb out
of position
Check that bulb is in air flow
Compressor will not start Overload Protector
Inoperative
Check overload (apply
insulated jumper across
terminal, if compressor starts,
replace overload)
Compressor will not start
condenser fan motor running,
unit cool (no power to
compressor)
POSSIBLE PROBLEM POSSIBLE CAUSE SERVICE SUGGESTION
Compressor will not start, Starting relay or capacitor Check relay or capacitor
S-21