Electrolux 154743801 Service Data Sheet

Exploded View of Wash System
a
Pump Assembly
The pump assembly is driven by a permanent The drain valve is connected to the drain pump
split capacitor motor. When looking at the output by a rubber hose and is mounted to the
shaft, rotation is in the counterclockwise direction dishwasher base. The drain valve maintains
at 3300RPM when driven by 120V 60Hz AC pressure in the pressurized fine filter. The
signal. The motor drives a pump which supplies intermediate drain hose is attached by a worm
100% filtered water at the rate of approximately gear clamp to the discharge end of the drain
19 GPM to all three spray arms at once. valve.
Draining is accomplished by using a small The drain hose must have a loop at a minimum
seperate synchronous drain pump mounted to height of 32 inches in order to ensure proper
the sump. The drain pump is connected to the drainage.
sump by a small rubber hose and two mounting
The main pump is removed by disconnecting
points.
both attached clamps and hoses, removing the
three screws that secure the motor base to the
dishwasher base, unlatching the leak detector,
and disconnecting the wiring harness
Component Error LED Indication connections to the pump assembly.
To gain access to the Control Housing
Assembly, remove kickplate assembly. LED
indicates which component is the source of
the error.
Standard Dry Air Flow
air is mixed with hot, humid air existing the tub
When the control advances to the "dry" portion of
the cycle, the lower fan located in the Lower in the Lower Drying Duct Assembly. This lowers
the temperature and humidity of the air exiting
Drying Duct Assembly is activated. Then, the
the unit through the toe and kickplate. The
Vent Assembly located in the top right corner of
the tub is activated. The vent fan draws in the air addition of cooler, dryer outside air helps to
speed evaporation of water from the hot dishes.
from outside the tub forcing the hot, humid air out
the Side Drying Duct Assembly and into the
Lower Drying Duct Assembly. Cool dry outside
Detergent and Rinse Aid Dispenser
To replace dispenser:
The detergent and rinse aid dispenser is a one
• shut off electricity,
piece component consisting of a molded
• remove outer door (there are 6 screws to
detergent cup and a built-in rinse aid dispenser.
remove, starting at the top of the door remove
the first, fourth and fifth screws per side)
The detergent cup has a spring loaded cover
• remove middle door and foam barrier (there
and the rinse aid dispenser has a removable
are 4 screws into the hinge arms, lower portion
cover.
from the front, and 2 screws (1 per side, third
screw from the top),
Liquid rinse aid is added to the dispenser up to
• disconnect wiring to the dispenser,
the fill line indicator. The amount of rinse aid
• remove 6 screws and 2 brackets,
released can be adjusted by turning the arrow
• remove the dispenser,
indicator from one, being the least amount, to
• reassemble using the new dispenser in
four, being the greatest amount.
the reverse order of above.
Tub Gasket
The door gasket is pressed into the tub channel 4. Press the gasket while stretching around
for an interference fit. To install the gasket:
the corners.
NOTE: There should be no wrinkles or
1. Apply a small bead of silicone sealant
puckers in the corners.
(Dow 732) all of the way around in the gasket
5. Place the gasket end at the bottom and
channel along the back surface.
then press the gasket in from the bottom up.
2. Locate the center mark on the gasket and
press into place.
3. Press the gasket across the header using
your thumb.
Product Specifications
Electrical Water Supply
Suggested minimum incoming water
Rating ................................... 120 Volts, 60Hz
temperature ............................. 120°F (49°C)
Separate Circuit..15 amp min.- 20 amp max.
Pressure (PSI) min./max. .................... 20/90
Motor (Amps) ........................................... .75
Connection (NPT) .....................................
Heater Wattage ..................................... 1200
Total Amps (load rated) ........................ 10.0 Consumption (Normal Cycle) ......................
TempAssure .............................. 140°F ±5°F
............. 4.9 - 9.7 U.S. gal., 18.5 - 36.7 liters
(60°C±3°C) [with outer door in place]
Water valve flow rate (U.S. GPM) ........... .83
TempBoost ............. 145°F ±5°F (63°C ±3°C)
Water recirculation rate (U.S. GPM) ..............
Heated Wash/Heated Rinse
.................................................... approx. 19
Sanitize .................. 150°F ±5°F (66°C ±3°C)
Water fill time ................................. 105 sec.
Hi-Limit Thermostat ................ 200°F (93°C)
Trouble Shooting Tips
Personal Injury Hazard
Always disconnect the dishwasher from the electrical power source before adjusting or
replacing components.
Symptom
Check the Following
Dishwasher will not operate when
1. Fuse (blown or tripped).
turned on.
2. 120 VAC supply wiring connection
faulty.
3. Electronic control board defective.
4. No 12 VAC power to control.
5. Motor (inoperative).
6. Door switch (open contacts).
7. Door latch not making contact with
door switch.
8. Touch pad circuit defective.
9. No indicator lamps illuminate when
START or OPTIONS are pressed.
Motor hums but will not start or run.
1. Motor (bad bearings).
2. Motor stuck due to prolonged
non-use.
Motor trips out on internal thermal
1. Improper voltage.
overload protector.
2. Motor windings shorted.
3. Glass or foreign items in pump.
Dishwasher runs but will not heat.
1. Heater element (open).
2. Electronic control board defective.
3. Wiring or terminal defective.
4. Hi-Limit thermostat defective.
Detergent cover will not latch or
1. Latch mechanism defective.
open.
2. Electronic control board defective.
3. Wiring or terminal defective.
4. Broken spring(s).
5. Defective actuator.
Dishwasher will not pump out. 1. Drain restricted.
2. Electronic control board defective.
3. Defective drain pump.
4. Blocked impeller.
5. Open windings.
6. Wiring or terminal defective.
7. Defective Drain Valve.
Dishwasher will not fill with water.
1. Water supply turned off.
2. Defective water inlet fill valve.
3. Check fill valve screen for
obstructions.
4. Defective float switch.
5. Electronic control board defective.
6. Wiring or terminal defective.
7. Float stuck in "UP" position.
1. Drain hose (high) loop too low.
Dishwasher water siphons out.
2. Drain line connected to a floor drain
not vented.
3. Drain valve or pump stuck open.
Detergent left in dispenser.
1. Detergent allowed to stand too long
in dispenser.
2. Dispenser wet when detergent was
added.
3. Detergent cover held closed or
blocked by large dishes.
4. Improper incoming water
temperature to properly dissolve
3 / "
8 detergent.
5. See "Detergent cover will not open."
6. Spray arm blocked.
7. Is water getting into unit.
Remedy
1. Replace fuse or reset breaker.
2. Repair or replace wire fasteners at
dishwasher junction box.
3. Replace control board.
4. Replace control board.
5. Replace motor/impeller assembly.
6. Replace latch assembly.
7. Replace latch assembly.
8. Replace console assembly.
9. Replace console assembly.
1. Replace motor assembly.
2. Rotate motor impeller.
1. Check voltage.
2. Replace motor/impeller assembly.
3. Clean and clear blockage.
1. Replace heater element.
2. Replace control board.
3. Repair or replace.
4. Replace thermostat.
1. Replace dispenser.
2. Replace control board.
3. Repair or replace.
4. Replace dispenser.
5. Replace dispenser.
1. Clear restrictions.
2. Replace control board.
3. Replace pump.
4. Check for blockage, clear.
5. Replace pump assembly.
6. Repair or replace.
7. Repair or replace.
1. Turn water supply on.
2. Replace water inlet fill valve.
3. Disassemble and clean screen.
4. Repair or replace.
5. Replace control board.
6. Repair or replace.
7. Clean or replace float.
1. Repair to proper 32-inch minimum
height .
2. Install air gap at counter top.
3. Repair or replace.
1. Instruct customer/user.
2. Instruct customer/user.
3. Instruct customer/user on proper
loading of dishes.
4. Incoming water temperature of
120°F is required to properly
dissolve dishwashing detergents.
6. Instruct customer/user.
7. Check fill valve repair or replace.
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