Whirlpool WDF110PABW3 - Page 9

9
7-
Heating
1-
No Heat
1. Control
programmed to
disable heater,
but continue
running cycles,
if it detects a
water heating
problem.
Running diagnostics clears
the control and allows the
heater to turn on again.
Water heating problem
must be corrected, or the
control will disable the
heater again. See Heater
circuit problem below.
2. Heater circuit
problem:
- Open in heater
- Open
connection or
component in
Heater circuit.
1. Check operation
of heater in Service
Diagnostics cycle.
2. Unplug dishwasher
or disconnect power.
3. Measure resistance of
heater and all components
and connections in Water
Heating circuit/Heat Dry
circuit.
3. Heater Drive
circuit on the
control.
Unplug dishwasher or
disconnect power and
replace control.
2-
Heater
Stuck On
Heater Drive
circuit on the
control.
1. Unplug dishwasher
or disconnect power
and replace control.
2. Inspect Heater and
connections for
overheating/shorting.
If evidence of overheating
or shorts exists, replace.
8-
Draining
1-
Slow
Drain
1. Obstructed
drain hose or
path.
1. Unplug dishwasher
or disconnect power.
2. Check for blockages
from Sump Check Valve
to customer’s plumbing.
Potential items: plugged
garbage disposal or plug
not knocked out, drain loop
Check Valve stuck and/or
plugged hoses.
2. Drain Pump
impeller
fractured.
1. Unplug dishwasher
or disconnect power.
2. Remove Drain Pump and
check impeller (normally
there is some uneven
resistance). If it is stripped,
replace Drain Pump.
Function
Code
Problem
Code
Causes What to Check
8-
Draining
(cont.)
2-
Drain
Motor
Electrical
Problem
1. Loose
connection in
Drain Motor
circuit and/or
open Drain
Motor winding.
1. Check operation of drain
motor during diagnostics.
2. Unplug dishwasher
or disconnect power.
3. Check resistances
of drain motor winding
and all connections in
the Drain circuit.
- If high resistance, check/
fix loose connections or
replace drain.
2. Debris stuck
in drain motor
impeller.
1. Unplug dishwasher
or disconnect power.
2. Remove drain motor
and dislodge debris
from impeller.
3. Open fuse on
control to Drain
Motor.
Refer to “Fuse Service
Check” in “Meter Check of
Loads and Fuses” section.
4. Drain Motor
Drive circuit on
the control.
Unplug dishwasher
or disconnect power
and replace control.
3-
Drain
Stuck On
Drain Motor
Drive circuit on
the control.
1. Unplug dishwasher
or disconnect power
and replace control.
2. Inspect Drain Motor
and connections for
overheating/shorting.
If evidence of overheating/
shorting exists, replace.
10-
Other
1-
Dis-
penser
Electrical
Problem
1. Loose
connection in
Dispenser
circuit and/or
open dispenser
solenoid.
Unplug dishwasher or
disconnect power and
check resistances of
dispenser solenoid
and all connections
in the Dispenser circuit.
Fix/replace open
connection/part.
2. Open fuse on
control to
dispenser.
Refer to “Fuse Service
Check” in “Meter Check of
Loads and Fuses” section.
3. Dispenser
Drive circuit on
the control.
Unplug dishwasher
or disconnect power
and replace control.
Function
Code
Problem
Code
Causes What to Check