Gas Dryer - GE Profile DPSB650 Technical Service Manual

Partial Heat
With heat selected & motor
running, check for 240VAC
N
Repair connection
at heater relaypin 16 & L2
or replace board
(J2 plug). Do you have
240VAC?
With heat selected & motor
N
running, check for 240VAC
Repair connection
at heater relaypin 10 & L2
or replace board
(J2 plug). Do you have
240VAC?
Check heaters - appx 20
Replace defective N
ohms each
heater
.
Check resistance at J2 (motor plug) on
control board at 2A (Gray) & DS (W)
wires. Open? (If yes - check idler
switch, motor & associated wiring)
(If resistance reading is 2.5 ohms,
motor & idler switch are ok.)
Proceed to next step
No Heat or Partial Heat - Drum Turns
Electric Dryer
Y
Y
Y
Dryer Will Not Run
House fuse, breaker, or
outlet problem
Check L1 (Blk) & N (Y)
connection on board.
120VAC? (If no - repair
connection/wiring)
Y Door switch OK? (If No -
correct)
Check resistance at J2
(motor plug) on control
board at 2A (Gray) & DS (W)
wires. 4 or 5 ohms indicates
open start or run winding?
Replace Motor
.
Select "Air Dry" push the "Start" pad &
read voltage at the J2 plug 2A (Gray)& N (Y)
& you should read 120VAC. (If 0VAC, check
connections?) Replace Board
– 39 –
House supply problem
Terminal block, wiring
problem, inlet safety
or outlet backup t'stat
Repair connection or
replace defective
heaters
Replace defective
motor

Gas Dryer

N
N
N
N
No Heat
Y
N
240VAC to dryer?
Y
Check for 240VAC at L2
N
(J2 plug) & L1(heater
relay)
Y
Check heaters at heater
N
relays pins 16 & 10. Appx
40 ohms?
Y
Manually push motor
centrifugal switch & check
N
for continuity between M1
&M2?
Adequate voltage
to dryer?
Y
Display Lights up?
Y
Does motor hum?
Y
Obstruction in
blower wheel?
(If Yes - correct)
Stalled motor? (If
yes - Replace
Motor)