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DIAGNOSTICS

Indicator Lamps

Water Heated (ESD310-311-312) Indicator glows only when the cycle pauses to heat water to a set temperature.
Washing or rinsing continues as the water is heated. Once water reaches the set temperature, the light goes off and
the cycle resumes.

Washing (ESD310-311-312) Indicator glows during the pre-wash and main wash periods.

Turbidity Sensor (ESD310-311-312) Indicator glows during the sensing part of the cycle. Washing continues during
the sensing.

Rinsing (ESD310-311-312) Indicator glows during the rise periods.

Drying (ESD310-311-312) Indictor glows during the drying cycle after the final rinse.

Clean Indicator glows when a wash cycle is complete and will remain ON until the door is opened.

Sanitized Indicator glows when the cycle has met sanitization conditions. The light will remain ON until the door is
opened.

Add Rinse Aid (ESD310-311-312) Indicates the Rinse Aid Dispenser is empty. The indicator glows while a cycle is running.

Содержание ESD 300 Series

Страница 1: ...HAIER ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Machine Compartment Service Additional Service Programs include Door Components Diagnostics Pump Module Components ...

Страница 2: ...MACHINE COMPARTMENT Wash Pump assembly Drain Pump Assembly Fill Valve Electrical connection Heater Water temperature thermistor High Limit Thermostat Float switch FRONT ...

Страница 3: ...Wash Pump assembly Drain Pump Assembly Notice The drain pump and wash pump assemblies are covered in detail in the Pump Module Service training program Component diagnostics are covered in the Diagnostics training program ...

Страница 4: ...MACHINE COMPARTMENT Float and Float Switch Dishwasher has a time fill with a float safety switch Water fill cycle is 90 seconds Float is held in place with the float switch cover ...

Страница 5: ...MACHINE COMPARTMENT Float and Float Switch Safety switch is encased in a plastic housing Float Switch front view ...

Страница 6: ...MACHINE COMPARTMENT Float and Float Switch Open the safety switch housing by releasing clips and pulling door forward Float Switch front view ...

Страница 7: ...INE COMPARTMENT Float and Float Switch Float safety switch Float is secured from lifting out when float switch cover is closed holding the stem end within the cover Float stem properly located on switch arm ...

Страница 8: ...DIAGNOSTICS Float Safety Switch Float Safety Switch is Normally Open Switch CLOSED in this position NC NO ...

Страница 9: ...MACHINE COMPARTMENT Float and Float Switch Replace the float switch housing by opening cover and releasing the float Then unscrew nut inside of tub ...

Страница 10: ...MACHINE COMPARTMENT Water Temperature Thermistor Water temperature is monitored with a thermistor mounted in the bottom of the pump housing ...

Страница 11: ...RTMENT Water Temperature Thermistor Be careful to mount the o ring on the thermistor when replacing Do not over tighten screws NTC Thermistor negative temperature coefficient 1380 ohms 70 F 780 ohms 90 F approximate ...

Страница 12: ...MACHINE COMPARTMENT Heater Heater is held in place with insulating towers Unscrew the tower and remove the heater from inside of the tank ...

Страница 13: ...ACHINE COMPARTMENT High Limit Thermostat The High Limit Thermostat is held in place with a flat spring type bracket holding it firmly against the bottom of the tank Do not cut the tie strap when removing ...

Страница 14: ...nsor The Turbidity Sensor is an optical device that senses the degree soil in the water in the pump housing High amounts of soil extend the pre wash cycle Be certain o ring is in place when replacing sensor Do not over tighten screws ...

Страница 15: ...MPARTMENT Drain Loop and Water Inlet The dishwasher is equipped with an anti siphon drain loop on the left side of the tank The water inlet to the tank is mounted on the left side of the tank above the fill valve ...

Страница 16: ...MACHINE COMPARTMENT Door Hinge The door hinge uses a rope cable over rollers and a spring for tension ...

Страница 17: ...HAIER This completes the Machine Compartment training for the ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Other sections include Door Diagnostics and Pump Module ...

Страница 18: ...HAIER ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Pump Module Components Additional Service Programs include Door Components Diagnostics Machine Compartment Components ...

Страница 19: ...PUMP MODULE SERVICE Wash Pump assembly In order to service the wash pump the drain pump must be removed before removing the main pump assembly Drain Pump Assembly ...

Страница 20: ...DRAIN PUMP SERVICE NO NEED TO REMOVE Drain Hose The Drain Pump can be serviced in place without removing the pump module Drain Pump Assembly ...

Страница 21: ...DRAIN PUMP SERVICE DRIP SHIELD MUST BE REPLACED WHEN REINSTALLING THE ASSEMBLY Drain Pump end view Drain Pump Assembly ...

Страница 22: ...DRAIN PUMP REMOVAL Pump Retaining Clip and stop Depress retaining clip and rotate motor 1 8th turn counter clockwise then pull outward to release Drip Shield ...

Страница 23: ...DRAIN PUMP SERVICE O Ring Seal Always replace O Ring seal when replacing pump Motor and Impeller are replaced as an assembly ...

Страница 24: ...DRAIN PUMP REASSEMBLY Reinstall Drip Shield over tabs before installing pump Install O ring on motor flange then install motor assembly Rotate motor 1 8th turn clockwise to lock motor in place ...

Страница 25: ...in Hose removed In order to service the wash pump the drain pump and turbidity sensor must be removed before removing the main pump assembly Remove Motor Wiring above condenser Disconnect thermistor wiring Remove turbidity sensor ...

Страница 26: ...WASH PUMP SERVICE Remove Pump Retaining Locks 3 ...

Страница 27: ...PUMP BODY REMOVAL Remove Lower Spray Arm Grasp the spray arm on each side of the shield and snap upward ...

Страница 28: ...PUMP BODY REMOVAL Lower Spray Arm Spray arm post snaps onto water distribution tower Spray arm post screws into bottom of spray arm ...

Страница 29: ...PUMP BODY REMOVAL Remove Water Distribution Arm Distribution Arm snaps over back channel 3 screws ...

Страница 30: ...PUMP BODY REMOVAL Remove Remaining screws from filter cover Remove filter This process can also be done after pump module is removed ...

Страница 31: ...PUMP BODY REMOVAL Lift large object pre filter out This process can also be done after pump module is removed ...

Страница 32: ...PUMP BODY REMOVAL Remove Pump Assembly from tank Twist slightly to the right lifting the right front first ...

Страница 33: ...BODY INSTALLATION Replace Pump Assembly into tank Install left rear first Slide pump motor and drip shield under lip of tank opening Start with pump off center then rotate to locator pin and drop into place ...

Страница 34: ...PUMP MOTOR IMPELLER SEAL SERVICE Remove inner strainer impeller cover ...

Страница 35: ...IMPELLER SEAL SERVICE Solid food chopper and strainer assembly Motor shaft Spring Strainer Spacers Chopper Blade Retainer Nut Remove nut by prying off with thin screwdriver blade Pry between chopper blade and nut ...

Страница 36: ...PUMP MOTOR IMPELLER SEAL SERVICE When reinstalling strainer align ears of strainer on edge of pump housing groove Strainer sets in retainer groove ...

Страница 37: ...ICE When reinstalling cover be careful to locate strainer in locater groove Reinstall chopper assembly in order shown below Push retainer nut on with needle nose pliers Motor shaft Spring Strainer Spacers Chopper Blade Retainer Nut ...

Страница 38: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Motor Pump Removal Note general location of electrical connections Drip cover Remove retaining screw ...

Страница 39: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Motor Pump Removal Pull motor and pump assembly outward Rotate motor 1 8th turn counter clockwise Pump Motor assembly will separate from housing at this line ...

Страница 40: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Pump Assembly Electrical connection Pump body Align arrow with electrical connections when replacing Impeller and shaft for solid food disposer components ...

Страница 41: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Pump Disassembly Pump body Impeller and shaft Insert screwdriver in motor fan blade to lock Unscrew Impeller from motor shaft ...

Страница 42: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Pump Seals Seals are available separately and both halves must be replaced at the same time ...

Страница 43: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Pump Motor Capacitor is replaced with the motor Electrical Connections Locking tabs to pump housing ...

Страница 44: ...IMPELLER SEAL SERVICE Wash Pump Re Assembly Pump body Align arrow with electrical connections when replacing Pump must sit flush against motor housing Install impeller by holding motor fan blade HAND TIGHTEN ONLY ...

Страница 45: ...IMPELLER SEAL SERVICE Wash Pump Re Assembly Align motor flange with flange on pump housing Then slide pump motor assembly into the housing Lubricate the pump body seal with silicone grease for easier installation ...

Страница 46: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Pump Re Assembly When motor is in and aligned with locking flanges rotate the motor to align locking screw tab with the screw hole Locking screw tab ...

Страница 47: ...PUMP MOTOR IMPELLER SEAL SERVICE Wash Pump Re Assembly Locking screw Install drip cover retaining tab under the head of the locking screw ...

Страница 48: ...m the pump body through the drain pump cycle and prevent fine soil trapped in the upper filter from reentering the wash system during the wash cycle It also prevents waste water from reentering the wash pump at the end of the drain cycle Back flow valve Remove by grasping with needle nose pliers and pulling outward ...

Страница 49: ...HAIER This completes the Pump Module Components training for the ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Other sections include Door Machine Compartment and Diagnostics ...

Страница 50: ...HAIER ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Door Components Additional Service Programs include Diagnostics Machine Compartment Pump Module Components ...

Страница 51: ...OR PANEL Removal Rinse Aid Dispenser Detergent Dispenser closed Door Panel Removal remove screws shown in red Additional screws on opposite side of door Vent Cover Control Panel Removal remove all screws ...

Страница 52: ...PC CONTROL BOARD Low Voltage connectors to touch panel rinse aid dispenser High Voltage connectors to motors heater inlet valve etc Retaining screws ...

Страница 53: ...L Touch Panel can be replaced by carefully prying up and then peeling off laminated panel Clean Touch Panel frame with rubbing alcohol before replacing touch panel DO NOT BEND OR KINK Touch Panel during assembly ...

Страница 54: ...Test Solenoid and check for actuation of door release and rinse aid plunger DETERGENT CUP 300 Ohms 25 Dispenser actuates 2 times 1st opens detergent door 2nd dispenses rinse aid ...

Страница 55: ...T CUP Rinse Aid Sensor float type switch Float type switch 0 ohms resistance when empty Indicator on control panel shows when rinse aid is low If no signal when rinse aid is empty replace detergent cut assembly ...

Страница 56: ...DETERGENT CUP Removal Rinse Aid Dispenser activation solenoid Remove 6 Screws to remove detergent cup Replace as a unit Replace Dispenser unit as an assembly ...

Страница 57: ...DOOR VENT Vent Open During dry or power off Vent Closed During wash rinse Wax Motor Extends plunger to close vent 15 seconds to close 3 minutes to release approx ...

Страница 58: ...DOOR VENT Test 1250 Ohms 100 ohms Replace as an assembly ...

Страница 59: ...DOOR VENT Removal Rinse Aid Dispenser setting Body is released from inside of door when cover is removed Rotate cap 1 8 turn to release from inner body ...

Страница 60: ...DOOR LATCH Latch is auto adjusting and operates by pulling out pushing in on the door Door Latch Clip from main body Latch Switch 2 Switch both Line and Neutral ...

Страница 61: ...DOOR LATCH OPEN position Heavy Spring holds tension on door in closed position NO LATCH ADJUSTMENT required CLOSED position ...

Страница 62: ...DOOR LATCH Switches are Normally OPEN when door is open REPLACE AS AN ASSEMBLY CLOSED position OPEN position Door latch closes cams above each switch to move to CLOSED POSITION ...

Страница 63: ...DOOR LATCH Squeeze LATCH CLIP and pull outward to remove Push LATCH CLIP in fully until notch engages in sheet metal flange No further adjustments ...

Страница 64: ...DOOR TENSION Spring Rope Cable Routing Door Hinge ...

Страница 65: ...HAIER This completes the Door Components training for the ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Other sections include Diagnostics Machine Compartment and Pump Module ...

Страница 66: ...HAIER ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Diagnostics Additional Service Programs include Door Components Machine Compartment Pump Module Components ...

Страница 67: ...DIAGNOSTICS Control Panel ESD 310 311 312 ...

Страница 68: ...DIAGNOSTICS Control Panel ESD 310 311 312 ...

Страница 69: ...DIAGNOSTICS Control Panel ESD 310 311 312 ...

Страница 70: ... 312 Indicator glows during the sensing part of the cycle Washing continues during the sensing Rinsing ESD310 311 312 Indicator glows during the rise periods Drying ESD310 311 312 Indictor glows during the drying cycle after the final rinse Clean Indicator glows when a wash cycle is complete and will remain ON until the door is opened Sanitized Indicator glows when the cycle has met sanitization c...

Страница 71: ... seconds Repeat to deactivate The Child Lock indicator will glow when activated If Child Lock is already activated the Child Lock indicator will flash 3 times The lock can be activate with the door open or closed No controls will function once activated The wash cycle can be started then activated to prevent tampering ...

Страница 72: ...r 1 minute then repeat 7 press Light Wash The heater and washing pump will run for 1 minute then stop then repeat 8 press Rinse Hold the heater is on for 5 minutes then off for 5 minutes then repeats 9 press Sanitize Rinse the dry vent and drain pump operates for 2 minutes then stops for 9 seconds then repeats 10 press High Temp Wash the vent door wax motor operates for 1 minute and stops for 1 mi...

Страница 73: ...STICS Pump Module Components Wash Pump motor Water temperature thermistor Drain Pump motor All components can be tested in place by removing the toe panel and without removing the pump module Turbidity Sensor ...

Страница 74: ...Drain pump motor Approx 26 ohms DIAGNOSTICS Drain Pump Motor ...

Страница 75: ...DIAGNOSTICS Wash Pump Motor Internal motor wiring Dual winding capacitor start motor ...

Страница 76: ...Blue Purple Yellow DIAGNOSTICS Wash Pump Motor Internal motor wiring Blue Purple 8 8 ohms Purple Yellow 6 4 ohms Blue Yellow 14 8 ohms approximate 10 ...

Страница 77: ...DIAGNOSTICS Thermistor water temperature sensor Dual winding capacitor start motor ...

Страница 78: ...DIAGNOSTICS Thermistor water temperature sensor Onboard diagnostics for the thermistor ...

Страница 79: ...DIAGNOSTICS Thermistor water temperature sensor NTC Thermistor negative temperature coefficient 1380 ohms 70 F 780 ohms 90 F approximate ...

Страница 80: ...ycle indicates the sensor is functioning DIAGNOSTICS Turbidity Sensor The Turbidity Sensor senses the amount of soil in the water The sensor indicator on the control panel glows during end of the Pre Wash Cycle If soil is identified by the sensor the cycle will be extended by a varied amount of time as the sensing continues ...

Страница 81: ...dity Sensor all pre wash cycles The turbidity sensor is active toward the end of the PRE WASH cycle and the cycle will be extended if excessive turbidity is present The Turbidity Sensor light will be ON during this time ...

Страница 82: ...imer stalls in a cycle check water temperature If the inlet water temperature is below 130 F in the normal cycle the timer will stall and heat the water until the minimum temperature is achieved Temperature rise is about 1 5 F per minute Test for 120v at the heater ...

Страница 83: ...DIAGNOSTICS dry cycle heater and high limit switch Dry cycle heater High Limit Switch normally closed Opens at 172 F 78 C Heater 13 ohms approximate ...

Страница 84: ...DIAGNOSTICS Dishwasher running no water in tub From this flow chart you can see that the dishwasher has a time fill with a safety float Water fill cycle is 90 seconds ...

Страница 85: ...DIAGNOSTICS Water Fill Level Water fill level in all cycles is indicated by the ridge around the tank Rear of tank Front left corner ...

Страница 86: ...DIAGNOSTICS Fill Valve Solenoid Fill Valve Solenoid 1064 ohms approximate Also test for 120v during the fill cycle ...

Страница 87: ...DIAGNOSTICS Float Safety Switch Float Safety Switch is Normally Open Switch CLOSED in this position NC NO ...

Страница 88: ...DIAGNOSTICS Schematic 310 311 312 ...

Страница 89: ...DIAGNOSTICS Rapid Advance Test Procedure ...

Страница 90: ...DIAGNOSTICS Typical cycles and temperatures Cycle time will vary due to inlet water temperature and heating time required Normal Wash Medium Soil Level ...

Страница 91: ...DIAGNOSTICS Typical cycles and temperatures Cycle time will vary due to inlet water temperature and heating time required Anti Bacterial Mode ...

Страница 92: ...HAIER This completes the Diagnostics training for the ESD 300 and 400 Series Tall Tub UNDERCOUNTER DISHWASHER Other sections include Door Machine Compartment and Pump Module ...

Страница 93: ...THANK YOU http service haieramerica com ...

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