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Description of all Functions

3.2.- Troubleshooting

If there is a fault or malfunction, the dishwasher will supply the user with an error code
depending on the fault detected.

STANDARD VERSIONS

(Codes from F1 to F10 shown on the display, and also as a number of beeps)

EV

Inlet

valve

EB

Drain

pump

MNS

Safety

micro

MN

Level

microl

MPR

Pressure

micro

Important:

For equivalence with the Lux range, the number

of beeps corresponds to the digit following the letter “F”:
2 beeps = F2, 3 beeps = F3, and so on.

Important for all versions:

If the machine is turned off using the main ON/OFF
switch, all the information is lost.

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Содержание SNB652SIA Series

Страница 1: ...Deluxe Model Dishwashers SNB652SIAX Service Manual ...

Страница 2: ...up documentation for technical consultations The following safety warnings are given in this manual Electrical Hazard Identifies possible electrical risks which could permanently damage the appliance Warning Identifes information or circumstances which may cause personal injury or death Important Identifies vital information for understan ding the product I ...

Страница 3: ...Table of Contents Warnings and Procedures 4 Features 5 Description of all Functions 7 3 1 General Description 7 3 2 Troubleshooting 17 3 3 Test 38 3 4 Diagrams 42 ...

Страница 4: ...ge of the different product ranges and also helps in analysing or troubleshooting the repair A separate document deals specifically with the location of the components and indi cates which can be repaired Electrical danger Before carrying out any opera tion which requires the control panel to be removed in order to access any internal component discon nect the dishwasher s mains cable Warning For ...

Страница 5: ...feties Table cyclically 0 5 sec ON 0 5 sec OFF where each sequence is followed by 1 5 sec when it is OFF silent until the door is opened It will also be possible to ask the program for a pre diagnosis of the fault by pressing the PROGRAMS key as many times as the user wishes Once the pre diagnosis has been asked for and given the buzzer will stay OFF silent As well as beeping to indicate the fault...

Страница 6: ... allowing the best choice to be made according to the type of dishes and how dirty they are As explained if none of these wash options are chosen the two distributor arms spin alternately There is a whole chapter describing how the alternate Motor distributor works be low Express Only applicable for items in the upper basket This option allows SLIGHTLY DIRTY DISHES to be washed as items are washed...

Страница 7: ...cription of all Functions 3 Description of functioning 3 1 General description You are servicing a Deluxe model dishwasher Load zone selector End of program Selected program Program selector Test selector ...

Страница 8: ...dard 1 2 C 4 Economical 5 Mixed 6 Fast 7 Fast express key EXPRESS program The exact composition of the user programs and the special wash programs for ma nufacturing questions can be seen in the attached Program Table In the Lux model the estimated time for the selected program is shown in the display When a program is started the wash time counts down each minute at certain steps in a program the...

Страница 9: ...ried out every 2 programs Hardness level hard 51 63 HF or 29 35 DH L4 Level 4 The first regeneration cycle is carried out every program Hardness level very hard 64 100 HF or 36 DH The product is delivered from the factory with L2 recorded in the memory The user may record the level of water hardness in the memory To program the hardness level of the water hold the DELAY key pressed for at least 3 ...

Страница 10: ...ogram chosen will be on during the whole program until it ends when that LED will go out and the End LED will come on or there is a change to another program In the case of the Lux range the end of the program will be shown on the display by displaying 00 seconds Interrupting the wash Every time the door is opened the wash program is interrupted the time countdown is stopped and all jets are turne...

Страница 11: ...the DELAY button and the time display will show 1H 1 hour Press repea tedly to increase the time delay from 1H 2H up to 19H Pressing again annuls the delay and the display will then show the duration of the selected program This cycle may be repeated as many times as required Once the time delay has been selected the time will count down from when the door is closed The digits count the time down ...

Страница 12: ...jets are turned off The wash time countdown is also stopped When the door is opened the display only on the Lux models will show PH flas hing 0 5 sec ON 0 5 sec OFF If after 2 min the door has not been closed the alarm will sound and the display will flash F1 0 5 sec ON 0 5 sec OFF and the buzzer will sound intermittently 0 5 sec ON 1 5 sec OFF to indicate Door Open according to Safeties Table For...

Страница 13: ...ram only washes the upper basket Half load This is the same as the UPPER LOWER option but the only choice is to wash in the upper basket The first time the key is pressed the LED pilot for washing the upper basket is therefore lit the next time the key is pressed this option is annulled so no LED pilot is on and so the contents of both the upper and lower baskets will be was hed END OF Program Onc...

Страница 14: ...ed circuit between the ventilator the Air break and the interior of the drum This steam from the interior of the dishwasher see figure 2 below passes through the steam exit in the upper part A and is drawn in by the ventilator aspiration chamber B and then passes through part of the Air break C Once the steam is in the expulsion chamber D it is expelled to the interior of the dishwasher through th...

Страница 15: ...ected part of the machine from the beeped error code as well as the user s manual F2 To stop the machine beeping open the door or press the Program selector key The error code will be stored in memory so when the Program selector key is pressed again the machine will start beeping the corresponding number of times to indicate the error i e the error code This operation may be repeated as many time...

Страница 16: ...s ESTIMATED PROGRAM TIMES Adjustment time remaining program time in the different cycles of each program STEP ref Lux Program Table Program Prewash Intensive Automat Eco Fast Mixed Express Total Program time 7 90 87 138 51 86 18 ...

Страница 17: ... to F10 shown on the display and also as a number of beeps EV Inlet valve EB Drain pump MNS Safety micro MN Level microl MPR Pressure micro Important For equivalence with the Lux range the number of beeps corresponds to the digit following the letter F 2 beeps F2 3 beeps F3 and so on Important for all versions If the machine is turned off using the main ON OFF switch all the information is lost I ...

Страница 18: ...mpty OVERHEATING Tª 77 C LOW WATER PRESSURE Detected when heating Stop ß waiting for temperature to rise during heating the first data is taken 2 min after heating starts NTC NTC open or short circuited DOES NOT HEAT ß 5 C 10min DISTRIBUTOR MOTOR Num beeps SIGNALLING STANDARD ECO FAST MIX ECO F4 X 2 4 3 F2 X F3 X X Change of state is not detected in cam for 12 sec X X X 9 F8 X F9 X X X X X X CARD ...

Страница 19: ...dentify the type or types of LED pilots which are flashing 2 Press the program selector key and count the number of beeps Each time the key is pressed the number of beeps is repeated 3 Using these two pieces of information identify the type of fault from the technical study s fault table FOR EXAMPLE Program selection LEDs Program selection LEDs 1 beep DOOR OPEN 2 beeps FILLING Press the Program Se...

Страница 20: ...eans error code F1 Possible causes 1 Door not properly closed 2 Fault in the door micro whether mechanical or electrical To check this analysis it is advisable to bridge it electrically 3 Faulty installation Faulty cables cut from the door micro to the card The cable is incorrectly fitted into the connector J3 CONTACTS 1 and 9 Warning THE DELAY ON RE STARTING is not a fault it is a SAFETY PRECAUTI...

Страница 21: ... No Defective micro Yes No OK Care micro not pressed Contact closed door closed Cable cut broken OK No Check the micro s continuity in the card Connector output Fitting Connector J3 point 4 and connector J2 point 8 OK Yes Yes No There is a problem with the terminal s fitting Check the fitting Check the connector s contact with the card and test Problem solved OK No Yes Defective electronic card DO...

Страница 22: ... follows 2 beeps Pause 4 2 beeps pause 4 and so on This means error code F2 Possible causes 1 No water coming in 2 Mechanical system for water level faulty 3 Micro for water level faulty 4 Faulty installation Faulty cables cut from the micro to the card The cable is incorrectly fitted into the connector J3 contacts 1 and 4 Bad contact between the connector and the card tracks 5 Faulty card To carr...

Страница 23: ... J3 contacts 3 and 6 Check the mechanism Yes No OK Check the micro s continuity in the card Connector output Fitting Con nector J3 contacts 3 and 6 Yes No Is the level micro still O K Yes Defective micro No OK Yes No Cable cut broken OK Check the connector s con tact with the card and test No Yes There is a problem with the terminal s fitting OK Yes No Faulty electronic card Problem solved FILL FA...

Страница 24: ...s not deactivated the machine will stop and beep as follows 3 beeps Pause 4 3 beeps pause 4 and so on This means error code F3 Possible causes 1 IF IT REALLY DOESN T EMPTY Faulty pump Pump blocked Drainage pipe blocked Water return Pump not connected to mains power Current 2 IF IT REALLY EMPTIES Mechanical system for water level faulty locked Level micro faulty Short circuited Faulty installation ...

Страница 25: ...he anti overflow lever Check the card s output voltage Con nector J points 7 and 8 Pump NOT O K Yes No Drains Release connector and check Adjust contacts and try again Yes No Current Yes No Card O K faulty inst cable cut Bad fitting contact OK Faulty card No Yes Problem SOLVED Select the wash program and test ...

Страница 26: ...ked DRAINAGE FAULT IF IT REALLY EMPTIES disconnected Check electrically if the level micro is disconnected Card fault Faulty micro Repair Yes No Micro disconnected Yes No Effect drainage and check to see if the level micro has physically disconnected ...

Страница 27: ...icro to be activated for more than 10 seconds the machine will stop and beep as follows 4 beeps Pause 4 4 beeps pause 4 and so on This means error code F4 Possible causes Lower tray flooded Excess water intake Anti overflow safety proximity micro switch has been short circuited It does not disconnect either electrically or mechanically ...

Страница 28: ... a pre wash cycle and check there is water intake Does it activate the level micro but still keep taking in water Problem with filling Go to the FILLING section Page 24 Flooded Repair Check the anti overflow system Activated Yes Yes Check the micro s continuity No Repair Continuity Defective micro Check the installation Possible short circuit ...

Страница 29: ...as 45 55 or 65 ºC these would make us continue with the wash program but does detect 77º C is very remote Summarising this means that although the NTC temperature reading is correct the electronic card does not read it Another possibility is that the NTC detects the control temperatures but the card s relay may stay stuck this would cause the machine to continuously heat up and the NTC might detec...

Страница 30: ...llows 6 beeps pause 4 6 beeps pause 4 and so on This means error code F6 This can obviously happen at the start of a heating stage does not heat or during the heating stage Important FOR THE USER Without waiting for the RESISTANCE to deteriorate it is very important to advise the user to clean the machine TWICE A MONTH using a special dishwasher cleaning product the main aim of this cleaning is to...

Страница 31: ...r temperature thermometer Does the temperature reach the safety temp of approx 85ºC the power to the resistance is then shut off and after 10 mi nutes produces error F6 Safety thermostat detects maximum security limit Safety thermostat O K The resistance has dis connected itself before reaching the assigned or selected temperature Current to the resistance cut off and produces error F6 after 10 mi...

Страница 32: ...ram to be restarted so once this error code appears if the machine is reset turning off with the main ON OFF switch the error will automatically appear again so no operation may be carried out with the machine NTC FAULT Check for continuity in the NTC with wires disconnected The approx re sistance at 24º should be 5 3 Ohms OK Installation fault Cable cut broken Problem solved Yes No NTC NTC short ...

Страница 33: ...ed to this the machine will stop and beep as follows 8 beeps pause 4 8 beeps pause 4 and so on This means error code F8 Pressure micro LACK OF WATER PRESSURE FAULT Is the water intake correct Check the intake system Yes No Check the hydraulic action the pressure micro mechanism Repair MOTOR OK Yes No Check the micro electrically Continuity Faulty card OK Yes No Repair micro Warning Looking careful...

Страница 34: ...ting system Water enters from the wash pump Alternating spray arm motor Electric Motor Positioning for output to lower spray arm Positioning for output to upper spray arm Electric signal output for change of state The spray arm output positions may be fixed or movable alternating 1 The fixed positions depend on whether the upper or lower position has been selected in the control panel 2 The movabl...

Страница 35: ...D 50 sec Upper D 1 2 10sec Upper D 1 2 10sec The error code is detected during the wash cycle in which the wash motor is active If at any moment in the program when the electronic module activates the spray arm distributor motor to change its position state no change of state is detected then this will be indicated by error code F9 The change of state will be determined by a change in the distribu...

Страница 36: ...ccess the left hand side of the machine From the out side connect the spare dis tributor motor the technician has in his tool box Select a prewash program and test Does the pro gram end Faulty alternating spray arm distributor motor Yes No F9 is repeated again Electrical fault Faulty card Does the motor turn Yes No Installation cut Yes No Faulty card Check the card s output vol tage Connectors J2 ...

Страница 37: ... off at mains switch ON OFF key in the OFF state 2 Press the ProgramS key Keeping that key pressed turn the machine on with the ON OFF key 3 Wait for approximately 3 seconds keeping the PROGRAMS key held down a beep will then be heard to confirm that the machine is entering secret mode In the Lux range the LEDS will be turned off and the display will show SE For the other model ranges Eco y Standa...

Страница 38: ...n test the component corresponding to task 11 This process is repeated up to task 16 Other models are similar to the Lux model except in the way they display the infor mation since they have no display and so use a code based on the lights see the Table of Secret Mode programs Section 2 2 To execute the program correctly all the steps must be carried out sequentially If this sequence is not follow...

Страница 39: ... step of the Test PROGRAMS key no of times pressed ACTION VISUAL INFORMATION CHECKING Lux models with display Eco and Standard models LEDs Programs End Pre wash Intensive Normal Eco Fast Mixed 0 Going into secret mode SE X 4 SA X 5 Task 10 SA 10 Distributor motor Vlve1 Filling MN 6 Task 11 SA 11 BL Vlve1 MN 7 Task 12 SA 12 BL MPR 8 Task 13 SA 13 BL Resist NTC 9 Task 14 SA 14 BL Resist Tª 10 Task 1...

Страница 40: ... the distributor motor if it has one plus Test of filling without the wash pump active In this task first the distributor motor is activated if it fails this fault is displayed as per the Table in Section 2 3 1 if it doesn t fail the water intake valve is then activated Valve1 until the level micro MN indicates full generating a beep as confirmation If after 2 minutes the level micro MN does not i...

Страница 41: ... Heating TEST The wash pump is kept activated BL and also the heating resistance Resist and after 3 minutes the NTC is tested to see if the temperature has gone up If the check is successful the machine beeps as confirmation otherwise the fault is displayed as per the Table in Section 2 3 1 The control waits for the ProgramS key to be pressed before executing task 15 TASK 15 Emptying TEST The drai...

Страница 42: ... BLUE BROWN ORANGE GREEN BLUE PINK BLUE BROWN RED WHITE BROWN WHITE BLUE YELLOW GREEN YELLOW GREEN YELLOW GREEN YELLOW GREEN BLACK WHITE RED GREEN BLACK YELLOW BROWN BROWN WHITE WHITE WHITE WHITE WHITE YELLOW ORANGE WHITE SN WHITE WHITE SN WHITE WHITE WHITE WHITE VENT VENTILATOR V ALT ALTERNATIVE VALVE IC MAIN SWITCH MP DOOR MICROSWITCH DD DT DOSIFIER FOR DETERGENT AND RINSE AID EVD DE SCALING VAL...

Страница 43: ... 7 8 1 2 3 4 5 6 7 8 9 10 4 2 2 3 34 7 3 4 2 3 2 37 4 2 05 0 43 3 49 4 2 34 4 63 29 6 4 4 2 342 54 2 4 2 3 342 54 2 3 0 2 2 37 4 2 2 3 3 49 2 62 2 2 4 6 6 02 02 3352 2 4 3 2 2 4 2 4 2 3 6 7 4 2 4 6 6 NS 3 4 37 4 N4 2 3 37 4 CARD 2004 ELECTRON IT Signal TUR SENSOR ...

Страница 44: ...OMATIC 55ºC 65ºC RELIABILITY OTHERS WASH 68ºC and 12 min 65ºC and 17 min 55ºC and 12 min 52ºC and 15 min 55ºC and 10 min 40ºC and 5 min 52ºC and 22 min RINSE I RINSE II 65ºC and 8 min 55ºC and 6 min 40ºC and 4 min DRYING END OF PROGRAMME 35 34 2 58 2 2 OTES ON 02 2 3 LTERNATE WASH 2 LECTRONIC REGENERATION 2 4EMPERATURE MAINTAINED IN 3 IRTY WATER LEAN WATER 2 4 EASURE OF THE TURBIDITY OF THE WATER ...

Страница 45: ...eam Products Inc used under license Distributed by Petters Consumer Brands LLC 4400 Baker Road Minnetonka MN 55343 Product features specifications and appearance are subject to change without notice For service support and warranty information visit www sunbeammajorappliances com or in the US call 1 866 866 6283 ...

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