Service manual - Dryer Not Heating?
Contents
1. Timer diagram 2 5 sunoy su nb s m Zi ____ ZG UO N SINOY Z SINOY Z OZ sow dajs 1000 eS X ipusddy Jezzng YN Jezzng 998 288 02 JOJON sju uodwos GZGL uondiasap 17 80 800 48 Rev 02 Service maual TD25 EN2. HOLS OLN NAW 1S 3 did Mda LL LY LSOWHEHL 5 3 1 1 LHAT ZL LYLSOWHIHL LL 21818 5158 onmimaau walt a a 5 NOLLOSNNOD HOOK al TIY HOLMS a ar js YSN Crewing updated Drawin Avision Drawing updated 02 Drawing updated ETE 05 80 761 01105 CIRCUIT DIAGRAM 025 4 Description KOPPLINGSSCHEMA 025 be by Dept Year Wook Description ENG Dimensions Type 212 of item UT 03 26 ASKO CYLINDA Sento kena Angle Part Material Designed by Askased by a a OSO SEL 22 90 8002 UP webe Ze Pes gar 192 ag ag il OU 3 acs pure umum 16 Service manual 025
3. applies to condenser dryers Maximum permitted pro gramme time The machine stops after 3 hours Thermistor fault The machine stops no indication in LEDs Cause The condensation water tank is full Condensing waterpump or hoses blocked Float float switch is defective The control unit is faulty the pump does not start The washing has been spun at too low a speed i e less than 800 rpm The control unit did not have chance to reset but added the time to the next drying cycle High ambient temperature combined with low element output and low drying tempe rature leads to condensation formation Action Check if the customer has Emptied the tank and restarted the machine Clean hoses and check voltage and resistance in the drain pump Check that the float has not got stuck and check the function of the micro switch Replace control unit Check if the customer has Tried spinning at a higher speed Check if the customer has e Has the machine switched off for 30 minutes before restarting Check if the customer has e Attempted to select an other programme Good ventilation in the room Poor condensation due to e Ensure that the external air blocked external air has free passage Defective thermistor Defective control unit The front thermistor is de fective or the control is not in contact with it Replace the thermistor Replace
4. control unit Replace the thermistor After carrying out corrective actions as above reset the fault indications by switching off the machine using the main power switch Service manual TD25 Other faults The machine will not start The outer door is not properly closed e Check that the door pin is activating the door switch The machine is not supplied with power Check the fuses and connections The machine stops The automatic overheating protection has tripped Check if the customer has e Opened the door and cleaned the filter and condenser unit Left the door open long enough for the overhea ting protection to be reset and the display and LEDs to light up Attempted to restart the programme Service action Clean internal fan wheel condenser air ducts and element Check the seals The overheat protection in the motor has been Clean and check the motor tripped If necessary replace the motor Defective control unit Replace control unit The washing does not Air leakage at the door seals is affecting the get dry drying results Check the sealing strips Air leakage around the motor shaft affects the Check the seal around the motor shaft drying result Defective rear thermistor Replace the thermistor Defective control unit Replace control unit Drying is uneven Mixing of various types of items can lead to une Customer information ven drying results e Ch
5. 4 ASKO Service manual Contents PVE OCA TI cir ________ 3 _____ _____ ______ 4 3140 5 Indication of programme ______6 __________6_4_ 5 E 6 8 SE ORO 9 11 Components measurement VAIUES ccccssssssssssesesssscscscscsesssscsesescsescssssesesesssesssesseseseseacsssseseseacaescseseesesescscseseesesescaesesesseseseaesesees 13 _______ 6__ sie 15 16 S E E E E 17 This service manual describes tumble dryer type TD25 and is supplement to the general service manual for the 700 series Service manual TD25 Revision history 2008 04 28 1025 1 can be specified with display Delayed Start 1 24h implemented W723 2 ____ Service manual TD25 Introduction You are holding the service manual for the TD25 generation of tumble dryer There are two types of tumble dryer in the TD25 series TD25 1 and TD25 3 The following page presents the different versions to help you identify the machine types The v
6. ariants are named differently from mar ket to market The type designation is the most important factor for identifying the machine type The type designation can be found on the machine plate which is located inside the machine s door Type designation Product number TYPE TD 25 3 230 V tac 2250W 10 230 1 2800W 16 ART NO 9205212 in Sweden SERIAL NO 06032123456 Week Serial number It should be easy service tumble dryer It is important that you as a service technician are given the conditions to be able to carry out work in an efficient and satisfactory way Our hope is that this service manual is a useful tool for your daily work Service manual TD25 Type overview 1025 1 This type be specified with display Programme 4 automatic programmes For further information see timer diagram at the foot of the document Options None Settings Temperature Programme 4 automatic programmes 1 timer programme and 1 airing programme For further infor mation see the timer diagram at the foot of the document Options 2 designations differ depending on the market see directions for use Settings Temperature Delayed Start 1 24h as of week 723 Programme 4 automatic programmes 1 timer programme and 1 airing programme For further infor mation see the timer diagram at the foot of the document Options 4 designations differ depending on the m
7. arket see directions for use Settings Temperature Delayed Start 1 24h as of week 723 Service manual TD25 Programme When using tumble dryer TD25 it is possible to choose between four different programmes that automati cally sense how damp the washing is The machine dries to different levels depending on which of the four programmes has been selected on the front panel The machine only has one automatic programme that runs for different lengths of time and therefore dries to different levels depending on which of the four pro grammes has been selected on the front panel The automatic programme runs for a maximum of 3 hours The machine has a Timer programme that runs for the time that is set 20 minutes 2 hours regardless of whether the washing is dry or not The machine has an Airing programme that blows cold air for the time that is set 5 minutes 2 hours Indication of programme sequence During the programme the current programme sequence is indicated by a fixed light in the LEDs around the start stop button see the image End Start Cooling cycle time SS cycle time cycle time The cycle time is calculated during the start sequence Note If the door is opened whilst a programme is in operation the programme will be interrupted and return to the start position Service manual TD25 Options and settings Options 6 Means that drum will rotate 3 seconds per min
8. e overfilled the pro gramme is interrupted by a float switch located on the lower holder Overfilling is indicated in the display Service manual TD25 Item number Component Measurement value Comments Electrical connection The machine is delivered as single phase and can be switched between 1950 W 10 A and 2500 W 16 A Adjustment between 1950 W 10 2500 W 16 A is carried out using soft ware via buttons 80 771 30 Control Unit TD25 1 The control unit contains microproces sors for controlling programmes motor element etc 80 805 15 Control unit TD25 with The control unit contains microproces display sors for controlling programmes motor element etc 80 771 32 Control Unit TD25 3 The control unit contains microproces sors for controlling programmes motor element etc 80 762 26 Heating Element 2500W 80 762 27 Heating Element 3000W Service manual TD25 2 gt Height 850 mm Rated power 1950W 10A 2500 16 Adjustment between 10 16 is carried out using software via buttons Drying drum material Stainless steel Outer casing material Powder coated and hot galvanized sheet steel or Stainless steel Protection class IP X4 Minimum drying time normal temperature minutes Normal dry Extra dry Minimum drying time low temperature minutes Normal dry Extra dry Service manual TD25 Circuit diagram 81
9. eck that different types of items are not mixed in the same machine Remove the dry items How full the machine is affects the drying results Customer information Check that the machine 15 not overfilled Re move some of the washing if necessary Tumble drying takes too The lint filter is blocked Customer information long Cleaning the lint filter The condenser unit is blocked Customer information Clean the condenser The washing machine s spinning affects drying Customer information e Spin at a minimum of 800 rpm The machine is in a room with poor ventilation Customer information e Open doors to adjacent rooms The evacuation hose is too long blocked or bent Customer information Try to make the hose length as short as pos sible with as gentle bends as possible 12 Components and measurement values Item number Component Measurement value Comments Motor 50 Hz 220 240 V 80 790 43 80 814 04 80 81405 Motor 50 Hz 220 240 V Motor 60 Hz 220 240 V Motor 60 Hz 220 240 V Main winding 23 8 0 Auxiliary winding 28 1 O Current 1 1 A 270 W 2850 rpm Main winding 22 9 Auxiliary winding 31 Current 0 7 A 150 W 2850 rpm Main winding 16 0 Auxiliary winding 25 5 O Current 0 9 A 200 W 3300 rpm A 200 W 3300 rpm Main winding 22 9 Auxiliary winding 31 0 O Current 0 8 A 200 W 3300 rpm Service manual TD25 ACC motor serial prod W646 The m
10. nt thermistor and temperature regulation 7 Press the start stop button 51 LED L3 starts to flash and the large element loop acti vates 8 Press the start stop button 51 LED L3 lights continuously and the machine runs heat regulation for 15 minutes LED 14 starts flashing which means that temperature regulation is finished Cooling runs for 5 minutes The machine stops Testing the interval time and buzzer tone 9 Press the start stop button 51 LED L4 lights The motor starts and runs at intervals at the same time as a buzzer sounds Cancel the test programme 10 Press the start stop button 51 Indication of faults Fault indication symp tom The element does not start The programme stops F9 is shown in the dis play applies to machi nes with a display Indication of faults Fault indication symp tom No buzzer tone Cause Element or cable fault The front thermistor is not connected Cause Fault in control The test programme stops and is shown the display applies to machines with a display Troubleshooting Fault indications Service manual TD25 The following faults are indicated by a flashing red light in the start stop button LEDs and as a trouble code on the display display not available on all machine versions Fault indication LEDs Meaning eae ube Overfilling The machine stops
11. otor is a 2 pin motor and is directly connected to the fan for internal air and gearing for driving the cylinder The fan for external air is also driven on condenser dryers All resistance values have toleran ces of 7 ACC motor serial prod W648 80 801 19 Capacitor 8 uF 400V The capacitor is mounted on the motor 80 638 09 80 762 02 80 762 24 80 792 00 80 773 85 80 797 37 80 761 04 80 761 03 Condensing waterpump 25W EMC filter with inductor Thermistor Thermostat 135 C Thermostat Overheating protection 150 C automatic Thermostat Overheating protection 150 C USA Door switch Microswitch float 40 60 at room tem perature 20 30 C The filter eliminates interference to and from the machine The thermistor controls temperature regulation If the thermistor is short circui ted or detaches from the control unit the programme is cancelled The thermostat automatically disconnects the heating loop at too high temperatures The thermostat overheating protection interrupts the programme at too high temperatures The thermostat overheating protection interrupts the programme at too high temperatures The front door affects a door switch which interrupts the programme when the door is opened If the door has been opened and closed during the programme the machine must be restarted using the Start stop button If both containers ar
12. t stop button S1 5 times L1 starts to flash 3 Change the setting by pressing 52 or J1 18 lights when 16 is activated 4 Confirm your selection by pressing the start stop button S1 Adjusting drying time 1 Hold the start stop button 51 in start the machine by pressing the main power switch and keep the start stop button depressed until one of the LEDs on the panel lights 2 Press the start stop button S1 for a further 5 seconds until L1 starts to flash 3 Change the setting by pressing 52 or J1 The selected setting is indicated as follows No adjustment no LED 5 minutes 18 10 minutes 9 15 minutes 10 20 minutes L11 4 Confirm your selection by pressing the start stop button 51 The control unit detects and adjusts automatically to the panel layout and machine model when the option buttons are pressed several times Service manual TD25 Test programme The entire test programme is run in a sequence as follows You can cancel the test programme at any time during the programme by opening the door or pressing the main power switch S Push button L LED 59 57 55 53 L19 17 19 L10 L6 L1 L8 L11 L5 L2 L7 L12 L4 L3 L18 Main power switch S10 J1 S2 51 Total reset of programmes To access the test programme total reset of the programme must be carried out as follows 1 Cancel the current programme and switch off the machine by pressing the main power switch 2 Hold the start stop bu
13. tdown that decreases 1 hour ata time This means that a buzzer will sound for 3 seconds when the drying programme finishes Reduces cooling to 3 minutes Cannot be used in the Airing programme In normal cases when Short cooling is deselected the machine cools for 15 minutes Service manual TD25 Settings Possible to set to a high or low temperature Normal temperature Low temperature Airing dryer 57 43 Condenser dryer 73 C 50 C Temperature setting cannot be carried out in the airing programme Service manual TD25 Variant settings The following version settings can be made after replacing the control unit S Push button L LED 59 57 55 53 L19 a 16 L1 L5 L2 Main power switch S10 J1 S2 S1 Total reset 1 Hold the start stop button 51 in start the machine by pressing the main power switch and keep the start stop button depressed until one of the LEDs on the panel lights Buzzer 1 Hold S5 or S6 pressed in start the machine by pressing the main power switch and keep 55 56 pressed in until L1 L13 and L15 start to flash 2 Change the setting by pressing 1 52 L8 lights when the buzzer is activated 3 Confirm your selection by pressing the start stop button 51 10Aor16A 1 Hold the start stop button 51 in start the machine by pressing the main power switch and keep the start stop button depressed until one of the LEDs on the panel lights 2 Press the star
14. tton 51 in and start the machine by pressing the main power switch 3 Check that any of the LEDs around the programme knob L7 112 lights This indicates that total reset has been carried out Starting the test programme 4 Press button S7 left hand button on divided options button and keep it pressed for approximately 20 seconds Note This must be done within 3 seconds after carrying out total reset All LEDs light up continuously This indicates that the test programme has been activated Testing the motor and condensing waterpump 5 Press the start stop button 51 LED 16 lights up and is lit for the entire test program Indication of faults me Condenser dryer LED L8 lights up Fault indication symp tom Cause Airing dryer LED L7 lights up The motor and condensing waterpump starts The condensing The rear thermistor Water fills the housing for the water tank until the waterpump pumps until does not have any con machine stops check that the switch for condensation S1 is reactivated and tact or is damaged water works L7 lights up applies to airing dryers 6 Press the start stop button S1 to start the motor and pump out the condensation water The motor will not start Motor or cable fault LED L 2 lights up and is lit for the remainder of the test programme The condensing water Switch or cable fault pump does not start Service manual TD25 Testing the eleme
15. ute for 2 hours once the drying programme has finished The option prevents the fabrics from remaining in the same position and becoming creased which is good if you are unable to remove them immediately after tumble drying has finished If the Buzzer is also activated a signal will sound each time the drum rotates as a reminder that the drying pro gramme has finished Machines without display Delays the start of the machine by 5 hours Activated by pressing the Time delayed start button and then the start stop but ton The number 5 in the display indicates that Time delayed start has been activated The number of hours to start is displayed with a countdown from 5 to 1 Deactivated by pressing the start stop button for 3 seconds until the red field next to Time delayed start goes out Machines with display Start machine with 5 hour delay Activated by pressing the Delayed Start button and then the Start Stop button The number 5 is shown on the display to indicate that Delayed Start is activated The number of hours to start is shown in a countdown from 5 to 1 1 24h delayed start successively from week 723 Start machine with 1 24 hour delay Activated by pressing the Delayed Start option button as many times as the number of hours delay desired before starting 1 24 h and then pressing the Start Stop button The number of hours to delayed start is shown on the display The number of hours to start is shown in a coun
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