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VIII. Troubleshooting
VIII. Troubleshooting
Control Module
Control Module
-
-
Modules Displaying “1”
Modules Displaying “1”
Occasionally dishwashers will run for hours, not finish washing & show a “1”
in the display. This means the module has timed out due to an unidentified
heating problem -- all heating related parts must be checked until the
problem is found.
IMPORTANT: Whenever a “1” shows in the
module display, the module must be reset (after the
heating problem has been fixed) by running the
dishwasher. The module resets after the 1
st
run.
START
If yes, control
module has timed
out showing
there’s an
unidentified
heater
problem.
Has dishwasher
stopped washing
and is showing a
“1” in the
display?
NO YES
If no, module
is working
fine.
NOTE: The heating
problem must
be fixed
before the module will
reset and stop showing
a “1” in the display.
Have these
parts been
checked??
Control
module
(heater
relay)
Flow Switch
(~ 0.4Ω)
Replacing
NTC’s also
replaces Hi-
Limit’s.
High Limit
(~ 0.3Ω)
Wire
Harness
NTC (~ 55kΩ
@72ºF)
HINT: Check module heater
relays, wire harnesses /
connections & heaters before
checking NTC’s, flow switches
& high limits.
Heater (~ 11Ω)
Replacing heaters also
replaces NTC’s, flow
switches & Hi-Limit’s.
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