Haier GE DDT700S N0 Series Technical Service Manual page 74

Diagnostics
Yes
Check resistance
connector 703 pin 1 White
to Pin 2 Violet/White 18-
29 ohms?
No
Check TCO, reset if
needed. Recheck
resistance, 18-29 ohms?
Check heating element
No and wiring, replace as
Strip Circuit
WARNING: GE Factory Service Technicians are REQUIRED to follow Lockout / Tagout (LOTO) 6
Step Process prior to beginning repair.
Access main control, enter
service mode. Check for
120 VAC connector 704
VW-WX?
No
Check thermistor*
connec�ons and DC
Yes
harness, are they OK?
No
Does
dishwasher
heat?
Yes
Replace harness
needed
– 74 –
Heat Element will not come on
Yes
No
Check Thermistor*,
is it within
specifica�ons?
Yes
No
Replace
Thermistor
Replace
Main
Control