Electrolux T5675 N2 User manual

Service Manual
Tumble dryer
T5675
Type N2...
Original instructions
438 9038-20/EN
2015.11.06

Contents
Contents
1 Symbols .............................................................................................................................................5
2 Technical data.....................................................................................................................................6
2.1 Drawing ....................................................................................................................................6
2.2 Technical data ...........................................................................................................................7
2.3 Connections ..............................................................................................................................7
2.4 Sound levels..............................................................................................................................7
3 Machine presentation ..........................................................................................................................8
4 Function check....................................................................................................................................9
5 Sensors and overheating thermostats................................................................................................. 11
5.1 Inlet air.................................................................................................................................... 11
5.1.1 Overheating thermostat .................................................................................................. 11
5.1.2 Heating sensor (PT100)..................................................................................................12
5.2 Outlet air .................................................................................................................................13
5.2.1 Overheating thermostat ..................................................................................................13
5.2.2 Heating sensor (NTC-sensor)..........................................................................................15
5.3 Vacuum switch ........................................................................................................................15
6 Door.................................................................................................................................................17
6.1 Door switch .............................................................................................................................17
6.2 Reversing the door...................................................................................................................20
7 Motor................................................................................................................................................24
7.1 Replacement of drum motor......................................................................................................24
7.2 Replacement of fan motor.........................................................................................................28
7.3 Replacement of fan..................................................................................................................30
7.4 Replacement of the motor pulley ...............................................................................................32
7.5 Replacement of the belt around the motor pulley ........................................................................35
8 Heating unit, electric ..........................................................................................................................38
8.1 General...................................................................................................................................38
8.2 Replacement of heating element...............................................................................................38
9 Heating unit, gas ...............................................................................................................................40
9.1 Replacement of gas burner.......................................................................................................40
9.2 Replacement of control box ......................................................................................................44
9.3 Replacement of gas valve.........................................................................................................45
9.4 Replacement of flame sensor....................................................................................................47
9.5 Replacement of ignition cable ...................................................................................................49
9.6 Converting instructions.............................................................................................................50
9.7 Table of pressure and adjustment..............................................................................................51
9.8 Test run...................................................................................................................................52
10 Heating unit, steam............................................................................................................................53
10.1 Replacement of steam calorifier ................................................................................................53
10.2 Replacement of damper motor..................................................................................................54
11 Drum................................................................................................................................................55
11.1 Replacement of drum...............................................................................................................55
11.2 Replacement of bearing ...........................................................................................................61
11.3 Replacement of the belt around the drum...................................................................................67
11.4 Replacement of rear sealing .....................................................................................................73
12 Control panel ....................................................................................................................................80
12.1 Control system ........................................................................................................................80
12.1.1Description ....................................................................................................................80
12.1.2Connections...................................................................................................................81
12.1.3Replacement of control system CPU................................................................................82
12.2 Control knob............................................................................................................................86
12.2.1Replacement of control knob ...........................................................................................86
13 Coin meter........................................................................................................................................88
13.1 Replacement of coin meter .......................................................................................................88
14 I/O modules ......................................................................................................................................89
14.1 General...................................................................................................................................89
14.2 Replacement of I/O module ......................................................................................................91
14.3 External connections to I/O module type 2 .................................................................................92
14.4 Circuit diagram of function options for I/O module type 2 .............................................................93
14.4.1Central payment (2J) ......................................................................................................93

Contents
14.4.2Central payment (2J) ......................................................................................................93
14.4.3External coin meter/Central payment (2K) ........................................................................94
14.4.4Price reduction (2K)........................................................................................................95
15 Troubleshooting ................................................................................................................................96
15.1 General...................................................................................................................................96
15.2 Error code ...............................................................................................................................97
15.3 Description of error codes and causes..................................................................................... 101
MAIN COMMON .......................................................................................................... 101
MAIN WASHER ...........................................................................................................102
MAIN DRYER ..............................................................................................................106
MAIN BARRIER ........................................................................................................... 111
MAIN W&D .................................................................................................................. 113
MAIN DRYER .............................................................................................................. 114
DRUM MOTOR COMMON............................................................................................ 115
DRUM MOTOR EWD ................................................................................................... 116
DRUM MOTOR KEB .................................................................................................... 120
DRUM MOTOR OBIWAN..............................................................................................129
FAN MOTOR COMMON ...............................................................................................132
INTERNAL COM. .........................................................................................................133
INTERNAL COM. I/O TYPE 10......................................................................................135
INTERNAL COM. I/O TYPE 6........................................................................................ 137
EXTERNAL COM. PAYMENT .......................................................................................137
EXTERNAL COM. CMIS............................................................................................... 138
INTERNAL...................................................................................................................139
16 Maintenance ................................................................................................................................... 140
16.1 Clean the fan, the exhaust duct and the fresh-air intake to the room........................................... 140
16.2 Clean the glide surface for the RMC graphite collector .............................................................. 140
16.3 Clean the area around the drum.............................................................................................. 140
16.4 Clean the motors ...................................................................................................................143
16.5 Check the belt tension............................................................................................................ 144
The manufacturer reserves the right to make changes to design and component specifications.

Service Manual 5
1 Symbols
Caution
Caution, hot surface
Read the instructions before using the machine

6Service Manual
2 Technical data
2.1 Drawing
1 Operating panel
2 Door opening, ⌀810 mm
3 Electrical connection
4 Gas connection
5 Exhaust connection
6 Steam: in
7Steam: out
A B(a) B(b) C D E
mm 961 1560 1640 1857 660 720
F G H I J K
mm 170 1490 200 180 1560 50
L M N
mm 480 580 805

Service Manual 7
2.2 Technical data
Weight, net kg 283
Drum volume litres 675
Drum diameter mm 913
Drum depth mm 990
Drum speed, medium load rpm 40
Rated capacity, filling factor 1:18 (Max. load) kg 37.5
Rated capacity, filling factor 1:22 (Recommended load) kg 30.6
Heating: Electricity kW 32
kW 40
Heating: Gas kW 42
Heating: Steam at 600–700 kPa kW 46
Steam pressure kPa 100–1000
Maximum air flow, Electric 50 Hz / 60 Hz m3/h 1140 / 1140
Maximum air flow, Gas 50 Hz / 60 Hz m3/h 1140 / 1140
Maximum air flow, Steam 50 Hz / 60 Hz m3/h 1380 / 1380
Maximum static back pressure, Electric 50 Hz / 60 Hz Pa 270 / 800
Maximum static back pressure, Gas 50 Hz / 60 Hz Pa 410 / 800
Maximum static back pressure, Steam 50 Hz / 60 Hz Pa 900 / 1100
2.3 Connections
Air outlet ⌀mm 200
Steam outlet 1” ISO 7/1–Rp1/2
Condensate outlet -ISO 7/1–Rp1/2
Gas connection 1/2” ISO 7/1–R1/2
2.4 Sound levels
The sound power level of the machine is determined by using ISO 3747:2012.
According to test code IEC 60704-2-4 the sound power level is:
70 dB(A)

8Service Manual
3 Machine presentation
fig.W00268
1 Sensors and overheating thermostats
2 Door
3 Motor
4 Heating unit
5 Drum
6 Control panel with Control system
7I/O modules
After a repair has been made
Whenever a repair has been made, a function check must be performed before the machine can be used again.

Service Manual 9
4 Function check
May only be carried out by qualified personnel.
A function check must be made when the installation is finished and before the machine can be ready to be used.
Whenever a repair has been made, a function check must be performed before the machine can be used again.
Check the automatic stop of the machine
• Start the machine.
• Check if the micro switches are working properly:
The machine must stop if the door is opened.
Check the direction of rotation (only on machines with 3–phase power supply)
• Demount the lower back panel of the machine.
• Check that the direction of the fan wheel is correct.
fig.7118A
If the direction is wrong, swop two of the three phases to the left on the connection terminal.
fig.7119

10 Service Manual
Check the heat
• Let the machine work for five minutes on a program with heat.
• Check that the heating is working by opening the door and feel if there is heat in the drum.
Ready to use
If all tests are OK the machine is now ready to be used.
If some of the tests failed, or deficiencies or errors are detected, please contact your local service organisation or
dealer.

Service Manual 11
5 Sensors and overheating thermostats
5.1 Inlet air
5.1.1 Overheating thermostat
Description
The inlet overheating thermostat is placed on the heating module on the back of the machine.
The inlet overheating thermostat opens in the event of overheating and shuts off the machine.
Resetting
Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve.
Demount the upper rear panel.
Press the reset button (A) on the overheating thermostat.
Note!
Resetting must not be done before the cause for overheating is verified and resolved.
fig.W00252
Remount the upper rear panel.
Replacement of overheating thermostat
Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve.
Demount the upper rear panel.
Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat.
El and Gas heated machine.
Remount the upper rear panel.

12 Service Manual
5.1.2 Heating sensor (PT100)
Description
The heating sensor is placed on the heating module on the back of the machine.
The heating sensor measures the temperature in the inlet air and the signal is returned to the CPU.
The CPU turns the heating unit off when the inlet air thermistor indicates that the required temperature has been
reached.
Replacement of heating sensor (PT100)
Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve.
Demount the upper rear panel.
Disconnect the heating sensor and remove it. Connect the new heating sensor and put it in position. Make sure the
sensor gets all the way down.
El and Gas heated machine.
Steam heated machine.
Remount the upper rear panel.

Service Manual 13
5.2 Outlet air
5.2.1 Overheating thermostat
Description
The outlet overheating thermostat is placed next to the fan motor on the back of the machine.
The outlet overheating thermostat ensures that the machine does not overheat during program operation.
The outlet overheating thermostat opens automatically and has to be reset manually.
Resetting
Disconnect the power to the machine.
Demount the lower rear panel.
Press the reset button (A) on the overheating thermostat.
fig.W00252
Remount the lower rear panel.
Replacement of overheating thermostat
Disconnect the power to the machine.
Demount the lower rear panel.
Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat.

14 Service Manual
fig.W00251A
Remount the upper rear panel.

Service Manual 15
5.2.2 Heating sensor (NTC-sensor)
Description
The heating sensor is placed next to the fan motor on the back of the machine.
The heating sensor measures the temperature in the outlet air and the signal is returned to the PCB.
The PCB turns the heating unit off when the outlet air thermistor indicates that the required temperature has been
reached.
Replacement of heating sensor (NTC-sensor)
Disconnect the power to the machine.
Demount the lower rear panel.
Disconnect the heating sensor and remove it. Connect the new heating sensor and put it in position. Make sure the
sensor gets all the way in.
fig.W00250A
Remount the lower rear panel.
5.3 Vacuum switch
Function
The vacuum switch is placed next to the heating module on the back of the machine.
The vacuum switch ensures the necessary airflow in the machine.

16 Service Manual
Replacement of vacuum switch
Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve.
Demount the upper rear panel.
Disconnect the wires to the vacuum switch. Disconnect the vacuum hose. Note the position of the wires.
Remove the screws (A) and disconnect the vacuum switch.
Connect the new vacuum switch. Connect the vacuum hose and the wires. Make sure that the art. No. on the new
vacuum switch is the same as the old one.
fig.W00253
Remount the upper rear panel.

Service Manual 17
6 Door
6.1 Door switch
The door switch (A) ensures that the machine stops automatically if the door is opened during operation.
If the machine does not stop when the door is opened or if the door is closed and the error code DOOR IS OPEN is dis-
played (and the machine is unable to start), for example, the door switch needs to be replaced.
Replacement of door switch
Disconnect the power to the machine.
Demount the hinges and remove the door. Remove the upper hinge first.

18 Service Manual
Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the
hole in order to access the cable and then disconnect the cable. Remove the panel.
fig.7548
Remove the door switch and door switch cable and mount the new one.

Service Manual 19
Connect the door switch cable and push the cable in over the drum and pull it upwards.
fig.7549
Remount the front panel.
Ensure that the door switch cable does not get damaged when remounting the front panel.

20 Service Manual
Replacement of door magnets
Remove the magnet to be replaced and mount the new one.
fig.W00233
6.2 Reversing the door
Disconnect the power to the machine.
Demount the hinges and remove the door. Remove the upper hinge first.
fig.7166