Specifications
79
PROBLEM
PROCEDURE READINGS
DEFROST HEATER Locate the test terminals
inside the control box. (Brown
and Pink wires) Touch the
meter probes to the ends of
Brown wire and the Neutral
side of the plug wires (any
White wire terminal.)
Ground Test:
Touch one
meter probe to the barrel of
the heater and the other to the
Brown and White wires.
12 cu. ft. “Mullion Heater
Design”:
With the Defrost Timer in the
Cooling Mode - Touch a
probe to the Blue terminal of
the Test Plug and the other
probe to any White terminal.
EVAPORATOR FAN
MOTOR
CONDENSER FAN MOTOR
Meter should read 19Ω to 35Ω nominal
resistance.
The meter should read “infinity”. Any
resistance beyond nominal reading
indicates a short circuit.
Meter should read 19Ω to 35Ω nominal
resistance.
BI-METAL
Make sure that the freezer is
cold enough to close the bi-
metal contacts. (32°F closed,
55°F open). Place the probes
on the Brown and Pink leads
in the control box.
12 cu. ft. “Mullion Heater
Design”:
Timer in the Defroat Mode,
Thermostat closed - Touch
one probe the the Blue
terminal of the Test Plug and
the other probe to any White
terminal.
Meter should read 0Ω.
Disconnect the wire connec-
tors from the evaporator fan
motor and touch the meter
probes to the motor terminals.
Ground Test:
Touch one
meter probe to the chassis
and the other to each terminal
on the motor.
Meter should read 30Ω to 70Ω.
The meter should read “infinity” for each
check. Any resistance indicates a short
circuit.
Disconnect the wire connec-
tors from the condenser fan
motor and touch the probes to
the terminals on the motor.
Ground Test:
Touch one
meter probe to the chassis
and the other to each terminal
on the motor.
Meter should read 30Ω to 70Ω.
The meter should read “infinity” for each
check. Any resistance indicates a short
circuit.










