13
4.2.3.4 Temperature Calibration Test:
During the relay/triac output test, the program and option
LED’s function as a temperature indicating bar graph. The
number of LED’s on at any one time is dependent upon
thermistor temperature. A temperature of 113°F is indicated
by only the
Heated Dry LED illuminating. A temperature of
above 210°F causes all program and option LED’s to flash at
0.5 second intervals. No LED’s are displayed for a tempera-
ture below 32°F. Refer to the table below:
Temp
Rinse
Fast
Normal Super Heated Water
Delay
°F
Wash
Wash
Wash
Dry
Temp
< 34
Off
Off
Off
Off
Off
Off
Off
34-75
Off
Off
Off
Off
Off
Off
On
76-93
Off
Off
Off
Off
Off
On
On
95-111
Off
Off
Off
Off
On
On
On
113
Off
Off
Off
Off
On
Off
Off
115-129
Off
Off
Off
On
On
On
On
131-147
Off
Off
On
On
On
On
On
149-165
Off
On
On
On
On
On
On
167-210
On
On
On
On
On
On
On
4.2.3.5 Press the same program/options button to de-
energize the relay/triac output.
4.2.3.6 Pressure Switch Circuit Operation:
During the relay/triac output test (latching mode), the wash
progress indicator LED operates as a pressure switch
function indicator. A circuit between No. 1 terminal and No. 2
terminal exists when the dishwasher is empty and the wash
LED is OFF. As water enters the tub and the water level
increases, the pressure switch contacts open between No. 1
terminal and No. 2 terminal, resulting in an open circuit and
the wash progress indicator LED will be illuminated.
4.2.3.7 To cancel the relay/triac output test mode, press the
following buttons in sequence:
Heated Dry, Fast Wash,
Super Wash, Heated Dry, & Clear with the door closed.
4.2.4 Fault Indication Mode
To assist with fault diagnosis of the dishwasher, the program/
option LED’s are utilized to indicate a diagnostic code. The
relevant program/option LED’s flash at a rate of 2 ON/OFF
cycles per second once a fault is detected. If two or more
faults occur during the wash program, the relevant program/
option LED’s flash at the 2 ON/OFF cycles per second rate.
Fault indication remains on if the door is opened and can
only be cleared from the program/option LED’s by pressing
Clear at the end of the wash cycle or by starting a wash
cycle.
Fault indication status is saved in EEPROM for later access.
4.2.4.1 To access the fault codes, the following buttons must
be pressed in sequence:
Heated Dry, Fast Wash, Super
Wash, Heated Dry, & Water Temp.
4.2.4.2 The fault codes (if any are recorded), will then be
displayed by flashing the relevant program/option LED’s.
Pressing the Clear button will clear the retained fault codes
from the memory and the power board control (PCB) will be
in standby mode with all LED’s OFF.
4.2.4.3 Fault Indication Code: There are 5 Fault Codes as
per the following table:
Fault
Fault
Probable Fault
Code
Indication
Normal Wash
Not Heating
Water Temp. rise <8°F in 15 min.
Super Wash
Over Temp.
Water Temp. over 180°F
Fast Wash
Not Filling
Fill Time option expired
Rinse & Hold
Not Draining
Not drained within 5 min.
Heated Dry
Overfill
Under Sump overfill switch closed
4.2.4.4 Not Heating Fault Indication: During a heating
cycle, if the water temperature sensed does not have a
temperature increase greater than 8°F in fifteen minutes, the
heating element relay is de-energized and the wash program
operation continues, while rapidly flashing the
Normal Wash
LED.
4.2.4.5 Over Temperature Fault Indication: If at any time
the water temperature sensed exceeds 176°F, the program
operation continues, although an over temperature warning
is indicated by a rapidly flashing
Super Wash LED.
4.2.4.6 Not Filling Fault Indication: If the controller has not
sensed that the pressure switch circuit is open after the
selected fill time, the controller will turn off all outputs and
indicate not filling by a rapid flashing
Fast Wash LED.
4.2.4.7 Not Draining Fault Indication: If the controller has
sensed, by the pressure switch, that the dishwasher is not
empty after five minutes of draining, then all outputs will be
turned OFF and the fault mode of Not Draining is indicated
by a rapid flashing
Rinse & Hold LED.
4.2.4.8 Overfill Fault Indication: The drain output is
continuously monitored by the controller. Whenever the
drain output becomes an active potential other than in a
normal drain cycle, the controller switches OFF all outputs
and rapidly flashes the
Heated Dry LED. If the wash pump is
on at the time of overfill, a delay of 30 seconds will occur
prior to turning OFF the wash pump.
The power control board (PCB) will remain inoperative until
the removal of the overfill signal. On the removal of the
overfill signal the control is to revert to standby with all
displays and outputs OFF.
4.2.4.9 To Exit Fault Indication Mode: Simply press the
Clear button.
