Electronic Controls; Consumer Error Mode - GE DDT595SxJ0 Series Technical Service Manual

The main control board is located under the
dishwasher. It is supplied with 120 VAC from the
consumers home. Outputs include 120 VAC to
the heating element, wash and drain motors. The
switches, turbidity sensor (some models), and UI
board.
CSM (Current Sense Module) Introduction: A CSM
is a protective device that is located on the main
control of GE Dishwashers. This device is designed
to trip if current leakage to ground is above 20mA
± 5mA if detected. The CSM functions similar
to commercially available GFCIs, if tripped the
dishwasher will be non responsive. CSM details are
found in the On the Main Control Board CSM section
in this service guide.
NOTE: The dishwasher MUST be grounded and
never operated without a ground connection.

Consumer Error Mode

To Enter Consumer Error Mode: With the
dishwasher in Standby Mode (not running a cycle),
press and hold the Cycle Select and Start buttons
simultaneously for 5 seconds.
On entry into the Consumer Error Mode, the control
reports the door status for 10 seconds.
All LEDs are solidly illuminated, if the door is
detected as closed.
open.
The SSD (7-segment display) will indicate the
UI software version (without a decimal). For
example, software version 8.08 will display as
808.

Electronic Controls

After the door check, the control will enter a mode
to display any error codes that are currently
detected by the control.
LED
Start
Heated
Dry
Wash
Boost
Clean
Lock
If any of the above LED's illuminate, it indicates
the fault condition is present. These fault
automatically cleared by the control when the fault
condition is no longer present.
Consumer Error Mode will time out after 5 minutes.
ANY KEY PRESSES OTHER THAN CYCLE SELECT
WILL EXIT THIS MODE.
– 43 –
Error Type Error Causes
Communications User Interface
Failure control unable to
communicate with
machine control.
Wash Minimum wash
Temperature temperature of 120°F
Error was not reached in
3 of the past 5 wash
cycles.
Thermistor Error Control detecting
short or open circuit
at thermistor.
Turbidity Sensor Control detecting
Error short or open circuit
at turbidity sensor.
May also occur on
models without
turbidity sensor.
Always Illuminates when
Illuminated Error Code Display
Mode is active.