60
VII. Component Testing/Test Procedures
VII. Component Testing/Test Procedures
(continued)
(continued)
Fault Codes
DISHWASHER TEST PROGRAM ERROR CODES (on 2-digit digital displays):
# 0 – No faults
# 1 – Aqua Sensor (Sensotronic) fault
# 2 – Heating system fault (heater, Hi-Limit, flow switch, NTC, control module heater relay)
# 4 – Water filling fault
# 8 – NTC (temperature sensor) fault
# 16 – Water switch fault
00
TIP: Fault codes add up for multiple faults
(e.g. heating + water filling fault = 2 + 4 = 6)
Fault Codes
DISHWASHER CUSTOMER USE ERROR CODES (on 2-digit digital displays):
# F – Water filling fault (underfill, overfill or water in the base)
# 2H – Last wash cycle too long (> 99 minutes). Can be cold inlet water or heating
system fault (heater, Hi-Limit, flow switch, NTC, control module heater relay).
# _h – Delay Start feature (not a fault code)
00
HINT: Dishwasher test programs heat
water to 150ºF, so test programs will
generally run > 20 minutes for incoming
water temperatures ~ 120ºF.
HINT: Open door to select
test program for fully-
integrated models, then close
door to run program.
NOTE: Flow
through heaters
heat water ~ 2ºF /
minute.
DISHWASHER TEST PROGRAM
ERROR CODES (on lower line of
full text Apexx SH_99 displays):
#S3 – No faults
#A – Aqua Sensor (red) fault
#B – Aqua Sensor (green) fault
#E – Water switch fault (no pulses
detected)
#F – Water filling fault
#G – Water switch fault (won’t stop
running)
#H – Heating system fault (heater,
Hi-Limit, flow switch, NTC, control
module heater relay)
#K – NTC fault (short-circuited or
open-circuited)
#xx – Test program step count
(testing done when = 00)
TIP
: Top line shows wash cycle &
bottom line shows fault code.
S3
0 -------
In Cycle
Start
S --3 --------
Selecting test
program
Checking fault
codes
S3
00
STEP
S3
00
Top
Test program
steps
Front
HINT: Apexx heater runs
during steps 05 – 08. Press
“-” button to skip to test 05
to measure heater amp draw.
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