GE Profile DPSB620, Technical Service Manual, Page: 41 / 45

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No Heat or Partial Heat - Drum Turns
Electric Dryer
House supply problem
Terminal block, wiring
problem, inlet safety
or outlet backup t’stat
Replace defective
motor
Y
Repair connection or
replace defective
heaters
Replace defective
heater
Repair connection
or replace board
Y
With heat selected & motor
running, check for 240VAC
at heater relaypin 10 & L2
(J2 plug). Do you have
240VAC?
N
Repair connection
or replace board
With heat selected & motor
running, check for 240VAC
at heater relaypin 16 & L2
(J2 plug). Do you have
240VAC?
N
Y
N
Check heaters - appx 20
ohms each
.
Partial Heat No Heat
Check for 240VAC at L2
(J2 plug) & L1(heater
relay)
Y
N
Manually push motor
centrifugal switch & check
for continuity between M1
&M2?
Y
N
Y
Check heaters at heater
relays pins 16 & 10. Appx
40 ohms?
N
Y
240VAC to dryer?
N
Gas Dryer
Display Lights up?
N
Adequate voltage
to dryer?
N
House fuse, breaker, or
outlet problem
Does motor hum?
Y
Obstruction in
blower wheel?
(If Yes - correct)
Stalled motor? (If
yes - Replace
Motor)
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
.
Y
Check L1 (Blk) & N (Y)
connection on board.
120VAC? (If no - repair
connection/wiring)
N
N
Y
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
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
Y
Dryer Will Not Run