For Service Technician Use Only
DIAGNOSTICS AND TROUBLESHOOTING (Cont.)
2-12
n
Whirlpool
®
and KitchenAid
®
Filtration and Maytag
®
24" Microfiltration Dishwashers
Troubleshooting Guide (Continued)
CUSTOMER DESCRIPTION
POTENTIAL CAUSES
CHECK
RELATED
ERROR
CODES
Long cycles and/or stuck in
certain parts of the cycle
As part of normal operation, the
dishwasher pauses 2 or 3 times during
the cycle for thermal holds and advances
once temperature is met.
Instruct customer. Explain thermal holds
and how the cycle timing pauses when
they occur.
OWI soil sensor picking high soil cycle
too often.
1. Check lens surface. Clean if needed.
2.
If lens surface cannot be cleaned or has
visible damage, unplug dishwasher or
disconnect power.
3. Replace OWI and run diagnostics
cycle after installing new OWI to force
calibration on next customer wash
cycle.
Diverter problem prevents water from
heating efficiently.
Refer to “
” table.
F10E4 (FAE4)
A water heating problem can cause long
cycles, but will typically also cause a
water heating fault code.
Refer to “
” table.
F4E2
F4E3
Heater takes a long time to heat water
with low voltage.
Check for at least 100 VAC at power
source.
Incoming water under 84°F (29°C)
1.
Ensure dishwasher is connected to the
hot water supply.
2. Confirm temperature at sink.
Recommended is 120°F (49°C).
3. Unplug dishwasher or disconnect
power and check all connections and
measure resistance in temperature
sensing circuit. Reconnect and/or
replace parts.
Suds or air in pump requires repeated
wash periods.
Refer to “
” table.
OWI or NTC temperature sensor
problem.
Refer to “
” table.
F3E1
Motor problems force cycle to start and
stop repeatedly.
Refer to “
” table.
F7E1
F7E2
Can start a cycle but only
runs for a short time. Cycle
does not complete (Clean or
Complete LED may blink).
Control is programmed to stop cycle and
alert customer when certain fault codes
have been detected.
Press Cancel key once to silence alarm
during fault mode. Read error code from
the dishwasher and refer to “
” table. Use service diagnostics
mode to get fault history from appliance.
F1E1
F8E1
F8E4
F8E5
F9E1
F10E5 (FAE5)
Unit is in sales demo mode
Check operation of Cancel key. If pressing
cancel multiple times does not activate
Cancel/Drain sequence, unit is likely in
sales demo mode. To clear demo mode,
cycle power for at least 1 minute or run
service diagnostics cycle.
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