Frigidaire FDB641RAS0 Service Data Sheet

Exploded View of Wash System
Nozzle
Funnel
Nut
Funnel Base
Center Spray Arm
Lower Spray Arm
Check Ball
Circulation
Motor Assembly
Motor Bracket
Water Inlet Tube
Water Valve
Incoming Water Supply
Pump Assembly
The pump assembly is driven by a synchronous attached by a worm gear clamp to the discharge
motor. Rotation is in the counterclockwise of the drain pump. The drain is then routed up the
direction at 3600 RPM. The motor drives a pump side of the dishwasher and attached to the side
which supplies 100 percent filtered water at a of the tub. This drain loop insures that an air
rate to approximately 12 GPM to one spray arm pocket cannot form near the drain pump and
at a time. The spray arm's operation is alternated cause the pump to air lock. The drain loop on the
by small "pauses" of the motor during the wash side of the tub must be kept in place after servicing.
cycle.
The main pump can easily be removed by
Draining is accomplished by using a small disconnecting the upper spray arm supply tube
separate synchronous drain pump mounted to hose, the drain pump connector hose, the wiring
the side of the sump. The drain pump is harness connections made at the circulation
connected to the main pump by a small rubber
motor, the water heat thermostats located on the
hose. The drain check valve is located at the bottom of the pump and rotating the four sump
entrance to the drain pump. The drain hose is retainers toward the middle of the sump.
900 Watt Heater
Voltage checks of the heater should be made
Refer to the cycle chart on the reverse side to
with the timer set in the main wash.
determine when the heater is on during the wash
cycle. The heater cycles ON and OFF for brief
periods during the drying cycle.
Standard Dry Air Flow
The heated, moist air leaves the dishwasher
through the console vent causing drier air to be
drawn into the unit by way of intake vents located
at the bottom of the door. The water on the dishes
is evaporated into drier air and the venting
process continues. The heating element is turned
ON and OFF during the entire drying cycle.
Drain Hose
Detergent and Rinse Aid Dispenser
The detergent and rinse aid dispenser is a one
piece component consisting of a molded
Spray Arm
detergent cup and a built-in rinse aid dispenser.
Support
The detergent cup has a spring loaded cover
Glass Trap
and the rinse aid dispenser has a removable
cover.
Heating
Element
Liquid rinse aid is added to the dispenser up to
the fill line indicator. The amount of rinse aid
Filter
released can be adjusted by turning the arrow
indicator from one, being the least amount, to
Soil Director
four, being the greatest amount.
Volute Cover
Drain Motor
Delivery Tube
Tub and Door Seal
Connector Hose and Clamps
The door seal is pressed into the tub channel for
Sump
an interference fit. Center the gasket (marked on
back) at the tub top center and press in place
Sump Retainers (4)
Product Specifications
Electrical
Rating .............................. 120 Volts, 60Hz
Separate Circuit..15 amp min.- 20 ampmax.
Motor (Amps) ........................................... 1.1
Heater Wattage ....................................... 900
Total Amps (load rated) ......................... 10.0
TempBoost (some models) ..... 122°F (50°C)
Heated Wash/Heated Rinse
Hi-Limit Thermostat ................. 200°F (93°C)
Always disconnect the dishwasher from the electrical power source before adjusting or
replacing components.
Symptom
Dishwasher will not operate when
turned on (wait at least 90 seconds).
To replace dispenser:
• shut off electricity to dishwasher,
• remove outer door panel assembly,
• disconnect wiring to the actuator,
• remove the six screws,
Motor hums but will not start or run.
• remove the dispenser,
• replace and reinstall screws,
• rewire actuator.
Motor trips out on internal thermal
overload protector.
Dishwasher runs but will not heat.
Detergent cover will not latch or
open.
without stretching or bunching. The gasket takes
a short turn at the bottom of the tub channel
Dishwasher will not pump out.
before ending at the channel end wall.
Dishwasher will not fill with water.
Gasket Cross Section
Mounting
Rib
Tub
Interior
Timer does not advance.
Short Turn
Dishwasher water siphons out.
Water Supply
Detergent left in dispenser.
Suggested minimum incoming water
temperature ............................. 120°F (49°C)
Pressure (PSI) min./max. ................... 20/120
Connection (NPT) ..................................... 3 / "
8
Consumption (Normal Cycle) .......................
......... 6.0 U.S. gal., 5.0 Imp. gal., 22.7 liters
Water valve flow rate (U.S. GPM) ........... .83
Water recirculation rate (U.S. GPM) ..............
.................................................... approx. 12
Water fill time ..................................... 87 sec.
Trouble Shooting Tips
Personal Injury Hazard
Check the Following Remedy
1. Fuse (blown or tripped). 1. Replace fuse or reset breaker.
2. 120 VAC supply wiring connection 2. Repair or replace wire fasteners at
faulty. dishwasher junction box.
3. Timer (contacts open or defective) 3. Replace timer.
4. Motor (inoperative). 4. Replace motor/impeller assembly.
5. Door switch (open contacts). 5. Replace latch assembly.
6. Door latch not making contact with 6. Replace latch assembly.
door switch.
7. Selector switch (open contacts). 7. Replace selector switch.
1. Motor (bad bearings). 1. Replace motor assembly.
2. Motor stuck due to prolonged 2. Rotate motor impeller.
non-use.
1. Improper voltage. 1. Check voltage.
2. Motor windings shorted. 2. Replace motor/impeller assembly.
3. Glass or foreign items in pump. 3. Clean and clear blockage.
1. Heater element (open). 1. Replace heater element.
2. Timer defective. 2. Replace timer.
3. Wiring or terminal defective. 3. Repair or replace.
4. Hi-limit thermostat defective. 4. Replace thermostat.
1. Latch mechanism defective. 1. Replace dispenser.
2. Timer contact defective. 2. Replace timer.
3. Wiring or terminal defective. 3. Repair or replace.
4. Broken spring(s). 4. Replace dispenser.
5. Defective actuator. 5. Replace dispenser.
1. Drain restricted. 1. Clear restrictions.
2. Timer contact defective. 2. Replace timer.
3. Defective drain pump. 3. Replace pump.
4. Air lock in drain hose. 4. Make sure hose is attached in proper
position on side of tub.
5. Blocked impeller. 5. Check for blockage, clear.
6. Open windings. 6. Replace pump assembly.
1. Water supply turned off. 1. Turn water supply on.
2. Defective water inlet fill valve. 2. Replace water inlet fill valve.
3. Check fill valve screen for 3. Disassemble and clean screen.
obstructions.
4. Defective float switch. 4. Repair or replace.
5. Timer contact defective. 5. Replace timer.
6. Wiring defective. 6. Repair or replace.
7. Float stuck in "UP" position. 7. Clean float.
1. Timer motor (stalled or open.) 1. Replace timer.
2. Check timer for power to timer 2. Repair or replace timer.
motor. 3. Repair or adjust.
3. Timer shaft binding to or knob
interference with escutcheon. 4. Replace or adjust position of
4. TempBoost thermostat defective. thermostat.
1. Drain hose (high) loop too low. 1. Repair to proper height.
2. Drain line connected to a floor drain 2. Install air gap at counter top.
not vented.
3. Drain hose not connected to side 3. Reattach drain hose.
of tub.
1. Detergent allowed to stand too long 1. Instruct customer/user.
in dispenser.
2. Dispenser wet when detergent was 2. Instruct customer/user.
added.
3. Detergent cover held closed or 3. Instruct customer/user on proper
blocked by large dishes. loading of dishes.
4. Improper incoming water 4. Incoming water temperature of 120°F
temperature to properly dissolve is required to properly dissolve
detergent. dishwashing detergents.
5. See "Detergent cover will not
open."
010330