Test 1 120Vac Electrical Supply - Kenmore 796.8051 Service Manual

Test 1
120V AC Electrical supply
NOTE: To properly check power supply in case of floating neutral or high
resistance connections, a load must be applied to the circuit. It is
important that the power button be pressed while checking the voltages as
described below.
With the dryer plugged in, press the
POWER button to turn on dryer.
Check the voltage at the main PCB
between WH1-1 (WH) and the black
wire on the black tab relay. Is 120
VAC present while pressing the start
button?
(NOTE: For gas dryers skip this step.)
With the dryer plugged in, check the
voltage at the terminal block between
the neutral (WH) and L1 (BK)
terminals. Is the voltage 120 VAC
while pressing the START/PAUSE
button?
With the dryer plugged in, check the
voltage at the power cord plug
between the neutral and L1 (and L2
for electric dryers). Is the voltage 120
VAC while pressing the
START/PAUSE button?
Replace the power cord.
YES
NO
YES
YES
17
•Replace
main PCB.
•Replace
YES
display
PCB.
•Check
power cord.
•Check
terminal
block
NO
connection
s.
•Check the
power
supply fuse
or circuit
breaker.
NO
•Check the
receptacle
connections.