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YES
Is selector
switch in the
AC position?
NO
YES
Refrigerator Will Not Operate on AC
Set selector
switch to AC
and start
refrigerator.
Specifications
AC Volta
g
e: 108 - 132 VAC Current Draw: 1.3 - 1.4 amps Heater Resistance: 81.7 - 90.3 ohms
Is AC voltage
at input of
selector switch?
NO
YES
Replace
selector switch
and start
refrigerator.
Is AC voltage
at input of
thermostat?
NO
YES
Correct AC
source to input
of thermostat.
Replace
AC Heater.
Is AC voltage
at input of
heater?
(Black wires)
NO
YES
Is AC voltage
at output of
thermostat?
NO
YES
Correct AC
source to
heater.
Replace
thermostat and
start refrigerator.
Is AC voltage
to output
of fuse?
NO
YES
Is AC voltage
at input
of fuse?
NO
YES
Is AC voltage
at terminal
block?
NO
Is AC voltage
at output of
selector switch?
NO
YES
Correct power
source to
terminal block.
Correct AC
source to
fuse.
Replace 3 amp
fuse and start
refrigerator.
Correct AC
source to
selector switch.
Are there
loose wire
connections?
YES
NO
Is refrigerator’s
AC cord
connected to
receptacle?
NO
YES
Is circuit breaker
or fuse blown?
(AC source to
refrigerator)
YES
NO
Is thermostat
set at mid-range
or higher?
NO
YES
Repair
loose wire
connections.
Connect AC
cord into
receptacle &
start refrigerator.
Reset circuit
breaker/replace
fuse & start
refrigerator.
Set thermostat
to mid-range or
higher and start
refrigerator.
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