GE DCB330EY, Technical Service Manual

Page: 22 / 42

21
Ignitor glowing?
No Heat - Drum Turns
Gas Dryer
Flame sensor
contacts closed?
N Y
Contacts A & B
closed on the
timer?
Y
Replace flame
sensor
N
Ignitor between
50 and 400 ohms
at room
temperature?
Flame sensor
contacts open
after ignitor has
been on 15 to 90
seconds max.?
Y
Gas valve
solenoids check
OK?
Y
120 volts to gas
valve solenoids?
Y
Replace timer N
Contacts 1 & 2
closed on the
temperature
selector switch?
Contacts on the
control thermostat
closed?
Contacts on the
high limit
thermostat
closed?
Y
Y
Y
Replace control
thermostat
Replace
selector switch
N
N
Replace high limit
thermostat
N
Y
Replace ignitor
Replace flame
sensor
Replace gas
valve assembly
Replace gas
valve assembly
N
N
N
N
Fix supply
problem
Gas supply OK
to dryer?
N
Y
Continuity
between contact
1 and 2 on the
centrifugal
switch?
Manuall move the
switch to the run
position to check
the contacts.
Replace
motor
N
Open wiring to
one of the
components.
Locate and repair.
Y
Y
Open wiring in
gas valve circuit,
locate and repair
Not applicable
on all models
temperature
Greenwald