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EQUATOR
SERVICE MANUAL
AND
SPARE PARTS CATALOG
First Edition - March 2005
18" DISHWASHERS
MODEL: WB 818
SB 818
www.EquatorOnline.com
Advanced Appliances
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CONTENTS SPECIFICATIONS……………………………………3 SCHEMATIC DIAGRAM……………………………… 4 WIREING DIAGRAM……………………………………5 TIMER CYCLE CHART………………………………… 6 COMPONENT OPERATION AND REPAIR……………… 7 Safety Precautions…………………………………………… 7 Timer……………………………………………………………………7 Door Latch and Switch Assembly…………………………………… 8 Float Switch Assembly…………………………………………… 8 PRODUCT EXPLODED VIEWS…………………………………10 TROUBLESHOOTING…………………………………………… 14 2
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SPECIFICATION MODEL ELECTRICAL Rating 120V 60Hz Motor (HP) 1/5 Motor (Amps) Heater Wattage 1000W Wash Total Amps (Load Rated) 9.2A 127°F ±5°F Thermostat Contacts Close at 58℃±3℃ WATER SUPPLY Suggested Min. Incoming Water 120°F to 150°F Temperature 49℃ to 66℃ Pressure (PSI) Minimum/Maximum 15/120 PSI Connection (NPT) 3/8” Consumption (Toil Gallons) 3.5±5% Water Valve Flow Rate (GPM) 1.08GPM±10% 3
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IG L G 1 3 2 N P1 IAQS RE 2 3 1 1 11 SMP20 ACN C1 T1 SMP16 1 9 3 11 5 13 7 15 8 16 D-LED D1 D12 D13 D2 D3 D4 K1 D5 D14 D15 K2 BUZ D6 K3 D9 D10 D11 D7 K4 VCC D8 2 C contoller C3 ACN ACL C4 RY1 RY2 TR1 TR2 TR3 TR4 TR5 TR6 TR7 TR8 TR9 TR10 MIC1 20 10 19 9 18 8 17 7 16 6 15 5 13 code component component code S S Cn capacitor dispenser D/Ed inlet valve softener valve EV1 EV2 EV1 EV2 D/Ed IAQS flowt switch IG power switch C R1 ML PS door switch quick ver sw ch IS ISB sil it thermic-hypersensitive swit
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IG L G 1 N 2 3 P1 I AQS 2 3 RE 1 SMP20 1 11 ACN C1 T1 1 9 3 11 5 13 7 15 8 SMP16 16 D-LED D1 D13 D12 D2 D3 D4 K1 D5 D14 D15 K2 BUZ D6 K3 D9 D10 D11 D7 K4 C VC D8 C2 contoller C3 ACN ACL C4 RY2 RY1 TR7 TR5 TR4 TR10 TR6 TR1 TR3 TR2 TR9 TR8 SMP20 17 18 9 6 20 17 20 16 5 15 13 code component component code S S capacitor Cn dispenser D/Ed EV2 EV1 C inlet valve softener valve D/Ed EV1 EV2 ML PS R1 IAQS flowt switch power switch IG IS door switch ISB quicksilver switch salt switch thermic-hypersensitiv
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TIMER CYCLE CHART COMPONENT OPERATION AND REPAIR SAFETY PRECATIONS Always turn off the electric power supply before servicing any electrical component, making ohmmeter checks, or replacing any parts. All voltage checks should be made with a voltmeter having a full scale range of 130 volts or higher. After service is completed, be sure all safety-grounding circuits are complete, all electrical connections are secure, and all access panels are in place. CIRCUIT BOARD With
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POWER BUTTON Figure 1 Figure 2 3. Remove the screws which locking the control panel (See figure1). Remove the power button and unscrew the screws which locking the circuit board behind the control panel. (See Figure 2 and 3.) 4. Take down the damaged circuit board and install a new circuit board, reverse procedures to complete repairs. (See figure 3and 4.) Figure 3 Figure 4 DOOR LATCH AND SWITCH ASSEMBLY The latch and switch are located in the door as
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To Replace Door Latch Assembly 1. Disconnect dishwasher from electrical supply. 2. Remove screws securing the control panel to the inner door. 3. Remove wire leads from door latch and remove screws securing door latch assembly to inner door. (See Figure 5.) SCREW FLOAT SWITCH WIRE LEAD SWITCH DOOR WIRE LEAD LATCH Figure 5 Figure 6 4. Install new door latch assembly and reverse procedures to complete repairs. FLOAT SWITCH ASSEMBLY The water float assembly is located in the rig
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Figure 7 Figure 8 To Remove Or Replace Float Switch 1. Disconnect dishwasher from electrical supply. 2. Remove electrical leads to float switch. 3. Take down the switch from float support. 4. Install new float switch and reverse procedures to complete repairs (See figure 6). 9
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TROUBLESHOOTING The troubleshooting cheek list is common for all dishwasher models. They use different parts to accomplish the same thing and diagnosis will remain similar. When a problem arises, and a possible cause is listed, follow the test, remove or replace procedures as outline in this service manual. The wiring diagram, shematic and timer cycle chat is a necessity when making electrical checks. In most cases an ohmmeter will handle all the tests necessary. For checking any part
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start or run. ●Motor (bad bearings or locked ◇Replace motor. rotor). Motor trips out on in ●Start relay not dropping out. ◇Replace start relay. terminal thermal overload ●Improper voltage. ◇Check voltage. protector. ●Seal faces binding. ◇Repair or replace. ●Motor shaft binding. ◇Repair or replace. ●Motor windings shorted. ◇Repair motor. ●Glass or foreign items in pump. ◇Clean and clear area. Repeated dishwasher cycles ●Circuit board (contacts open or ◇Replace circuit board. burnt) ◇Repl
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● Overcharge of water. ◇Check and correct for proper fill. ●Tub seal (torn, worn or loose). ◇Replace tub seal. ● Dishwasher door not sealing ◇Adjust door latch assembly properly. and/or strike. ●Dishwasher is not level. ◇Level dishwasher properly. ● Overburden (wrong type of ◇Instructs customer/user. detergent). ●Hose clamps loose. ◇Tighten all clamps securely. ●Heater element mounting nuts ◇Tighten the nut. loose. ●Water seal leaking. ◇Use a new water seal. ●O-ring is not in posi
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●Defective seal on plunger. ◇Replace plunger. ●Over filling container. ◇Follow instructions in owner’s manual. Noisy pump assembly. ●Impellers not properly shimmed or ◇Use shim gauge furnished in rubbing. impeller and seal kit, when seals are properly shimmed the impellers will be in correct operating position. ●Pump parts not properly installed. ◇Inspect and correct. ●Debris in bottom of tub sump area. ◇Clean out sump area. ●Defective motor bearings. ◇Replace motor. Dishwasher con
