Air diffusion condensing Dry System
Contents
1. Fas Trach Troein IMPORTANT SAFETY NOTICE For Technicians Only This service data sheet is intended for use by persons having electrical electronic and mechanical experience Models and knowledge at a level generally considered acceptable in the appliance repair trade DMT800RHS XAA Any attempt to repair a major appliance may result in personal injury and property DMT800RHB XAA damage The manufacturer or seller cannot be responsible nor assume any liability for DMT800RHW XAA injury or damage of any kind arising from the use of this data sheet Publication tsDMT800RF Creation Date 08 18 2010 Which Detergent Ingredients Give Best Dishwasher Performance Detergent with a separate rinse additive in the dispenser gives better drying performance For tough baked on soils an Enzyme detergent is better at hydration of the food soils For staining such as tomato coffee and tea a detergent with a higher phosphate content and Chlorine bleach will work on the stains much better than an Enzyme based detergent ing Dry System Water Time gal min Last Rinse Sanitize min 120 138 F 136 F 58 49 59 C 162 F 72 F 6 3 6 6 7 110 132 13 6 25 2 158 F 70 162 F 72 e 140 F 60 C 30 6 152 4 7 17 7 107 140 F 60 4 7 17 7 59 162 F 72 n ae 4 7 6 7 100 149 17 7 25 2 lt e The numbe2. within the first 10 minutes after the heating starts When the temp of the Thermistor is 80 C or above for more than 3 seconds during opera tion 1 When high level sensor is not detected after water supply was done drain amp refill the water After then if high level sensor is not detected again this error is occurred 2 When low level sensor is detected over 5 sec onds during wash operation this error is occurred When micro s w is not detected for over 30 sec onds after the Distributor motor starts 1 When the pulse of 100 or less is detected even 73 seconds after the water supply 2 When flow meter pulse is 5 or less for 13 sec onds after the water supply starts 3 When the water supply is not finished until 6 minutes after the water supply starts When 80 C or above is detected during water supply When OFF status of Low Level S W is not de tected within 3 minutes during the drain When overflow detection AD data is 3 5V or be low for 3 seconds When leakage sensor detects 3 5V or below for 1 seconds during water supply When leakage sensor detects 3 5V or below for 1 seconds Button When the button is pressed continuously for error over 10 seconds When door is open in washing period Expected condition Thermistor terminal is not connected Possible defect Thermistor Main PBA Heater terminal is not connected Possible defect Main Wire Harness Heater Main PBA Wate
3. is operating LL and Lc will blink When water is filled enough Circulation Motor 2 190W will be operated If Low Level sensor is detected before Circulation Motor is operating LL and Ld will blink When water is filled enough Circulation Motor 1 150W will be operated If Low Level sensor is detected before Circulation Motor is operating LL and Hd will blink When water is filled enough Circulation Motor 1 150W and Heater will be operated Tremperature C and Hd will blink When the temperature meet 60 C or above the heater is turned off If Heater or Thermistor have problems the Heater Error HE will blink Dispenser will operate during 130 seconds only one time If Low Level sensor is detected before Circulation Motor is operating LL and SH will blink When water 15 filled enough Half Load Motor will be operated and then Half load function will be operated If Low Level sensor is detected before Circulation Motor is operating LL and SP will blink When water is filled enough Half Load Motor will be operated and then Storm wash function will be operated Operate the Dry Fan Motor and check whether Rinse aid 1 filled or not If there 1s not rinse aid in Dispenser Rinse Refill lamp is ON Water is supplied until Over level water error oE is blinked If Over level water error OE occurs overflow sensor is OK SVC inspecti
4. el 120vac 6 Rinse Sense Yel eie Fan Mtr S Blu Yel 120vac 9 1 Water Level Sensor Brn CN101 3 Wash Mtr Blu Yel 120vac 2 Water Level Sensor Red CN101 3 Wash Mtr Wht Yel 120vac 3 Water Level Sensor Yel G 4 Water Level Sensor Gry 5 Overflow S Blu aa Main PCB is located 8 Leakage Sensor Wht behind bottom 9 Thermistor Blk 10 12 Blu access panel 11 Door Sense Blu t Dry System Ay Case Vent Double Double Shaft Mtr Mtr Wem Single rear leg is Assy Dry Duct adjustable from front Retract to remove D W Sump amp Heater oet ABS Duct Condenser n 89 f n ne 4 A Air Exhaust Air Intake a i Leaking Code 1 A welt i A 2 a Em a 9 Moisture creates resistance between the pins ALWAYS clean the area below the pins after troubleshooting Check Pump Ass y for proper twist lock voc pae may form on the tray from uninsulated outside walls or large hole in the floor to a cold basement heck Drain Hose for cut or small hole Check all components mounted to the sump for any leakage _ Detergent Door Not Opening 1 Never overfill the dispenser compartment with powder or liquid only go below or up to fill line 2 If there is residue around the dispenser door area Previously undi
5. ode while operating the dishwasher the door must be closed e If LE OE error occur enter Service Inspection Mode after resolving it Service Inspection Mode is described in the following table Display Related Symptoms Parts Drain pump Inlet Valve Flow Meter Water Level Sen sor Turbidity Door open warn ing Water supply Error Low level water Error Turbidity Error Circulation Motor A nozzle does not inject water Circulation Motor A nozzle does not inject water Circulation Heater Error Mo tor Heater T hermistor Dis penser No 5 Half Load Half load func Motor tion Error Half Load Storm wash func Motor tion Error Fan The Dry Fan mo Mtr Dispens tor does not work nlet Over level wa valve ter Error Overflow Sensor If Door is open Door open warning dE will blink If low level sensor is not detected Drain is executed Water supply will be executed when low level sensor is detected If water is not fully supplied sensing on flow meter the Water Supply Error 4E will blink When high level sensor is not detected after water supply was done Low level water error 9E will blink When Turbidity problem is occurred after water supply was done Turbidity Error AE will blink If all functions in this mode are completed Ft and 3 6 3 9 will blink If Low Level sensor is detected before Circulation Motor
6. on Mode DMT800 series e Press the Heavy Delicate Power buttons at the same time for two seconds to enter Service Inspection Mode e All LEDs are displayed for the first two seconds and then Software Ver will be indicated e You can change the mode by pressing the Normal button again If press the Normal button in this mode the mode will be changed to next mode e lf you want to activate a mode while operating the dishwasher the door must be closed e f LE OE tE error occur enter Service Inspection Mode after resolving it Service Inspection Mode is described in the following table Drain Drain Error Drain pump will drain until low level sensor 15 detected Pump Wate If Low level sensor is not detected after 60 seconds Drain Error 5E r Level Sen will blink sor No 10 FL Half Load Half load Buzzer sound is generated when the Half Load Motor is initialized to Motor function Er full load location Ct ror and the FL will blink No 11 Temp Inlet Operate each operating part when the key 15 pressed See the below Valve oe When the Quick Key is pressed Water supply is LED On eid X and pressed again it is Off Quick LED Off e one When Heavy Key is pressed each time it works the Circulation Motor toram 1 is On Heavy LED On gt Off Heavy LED Off gt Circulation Mo Pump Heat tor 2 is On LED On gt Off Heavy LED Off gt Dry Fan Motor is On Heav
7. r temp is 80 C or above Possible defect Thermistor Main PBA Water Level Sensor terminal is not connected Possible defect Assy case sensor Water Level Sensor Main PBA Distributor motor defect Micro SW terminal is not connected Main PBA defect Alien particles within water supply valve Water supply valve terminal not con nected Possible defect Main PBA Water supply valve Flow Meter Water supply temperature is 80 C or above Possible defect Thermistor Main PBA Alien particles are clogging in drain hose Drain pump terminal is not connected Possible defect Drain pump Water Level Sensor Main PBA Alien particles within water supply valve Case Sensor part breakdown Possible defect Flow Meter Main PBA Water supply valve Possible defect Each hose connec tion Sump and Tub assembly Drain Pump assembly Main PBA Possible defect Sub PBA in control panel Main PBA Door is not close properly in test mode only Possible defect Door lock switch Main PBA SVC inspection Mode DMT800 series will be changed to next mode e Press the Heavy Delicate Power buttons at the same time for two seconds to enter Service Inspection Mode e All LEDs are displayed for the first two seconds and then Software Ver will be indicated You can change the mode by pressing the Normal button again If press the Normal button in this mode the mode e lf you want to activate a m
8. rs in parentheses in the Last Rinse column represent the temperature when you select Sanitize e When you select the Smart Auto or Normal cycle you can eliminate the Flex flexible steps depending on the soil level of the dishes e The wash time varies depending on the steps or options you add and on the pressure and temperature of the supplied water e When you select Half Load or Storm Wash the cycle sequence remains the same DMT800 e If Rinse Refill lamp lights during a cycle the dishwasher adds 30 more minutes to the Drying cycle automatically after the Clean light illuminates i WHT UB PBA C11KEY DMTOOOXXX HEATER CN301 WHT CN302 WHT CN202 RED N201 CN10 RED 1202 1201 IN 12595801 112151415 11215 41516171809 21141 Ja m T202 CN101 3 M ain P C B Heater Red Yel 120vac CN102 1 6 S Blu S Blu 5vdc 2 6 S Blu S Blu 12vdc 1 9 EE 201 1 Bik 120vac CN202 CN101 Power y CN302 1 CN101 3 Valve Brn Yel 120vac 1 Ground Yel Grn 1 Half Load Sense Blk 5 101 3 Pump Org Yel 120vac 3 120vac N Yel 2 Turbidity Transmitter Red 5120vacL BI 3 Trubidity Receiver Vio CN201 4 Ground Org CN101 3 Disp Wax Mtr Wht Yel 120vac 1 CN301 5 5vdc Pnk 3 CN101 3 Half Load Vio Y
9. spensed partially dispensed or door stuck close issue clean it with mild soap amp water The residue can foul the mating latch 3 If the customer uses tablets or some self contained type of soap tab make sure it is fully seated and the door does not sandwich it shut 4 Make sure that in the rack nearest to the dispenser door when the door is shut is not obstructing the opening of the dispenser with some protruding utensil Testing The Detergent Door and Dispenser 1 Disconnect wires from disp amp close detergent door 2 Connect Fused cheater cord and apply 120vac 3 In approximately 40 seconds the wax motor will open the door 4 Remove power allow wax motor to return 5 Restore power to wax motor in approximately 40 seconds the rinse aid will be activated Remove power 6 Close detergent door to repeat test Upper Nozzle Remove it by rotat Middle Nozzle Remove it by rotat Lower Nozzle Pull it out carefully ing the holder counterclockwise ing the holder counterclockwise from the Assy sump Code sym bol L Temp sen sor Error High temp Heating error Low level water error Half load function error High temp Water supply error Over level water er ror m E Door open warning Error Codes DMT800 series Occurring condition When 0 2V or below or 4 5V or above is main tained for over 3 seconds When the temperature change is 4 C or less
10. y LED On gt Off Heavy LED Off Drain Pump er Half Eoad Motor is On Heavy LED On gt Off Heavy LED Off When Delicate Key is pressed it woks Heater On Delicate LED On during 2 seconds and Off automatically When Half Load Key is pressed Half Load Motor is On Half Load LED On and pressed again it is Off Half Load LED Off When a different key is pressed during individual operation of the oper ating part present operating part 1s stopped and the applicable operation for the pressed key will start Resistance kO Temp F Temp F Water Valve 1 2 KQ 61 465 68 14 579 131 Disp Wax Mtr 120vac 2 3KO 49 12 12 14 140 31 996 8 542 158 Half Load Mtr 3 9kO Circulation Mtr 150 210
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