Electrolux T5350 User manual

Service Manual
Tumble dryer
T5350
Type N2...
Original instructions
438 9038-90/EN
2015.11.04

Contents
Contents
1 Symbols .............................................................................................................................................5
2 Technical data.....................................................................................................................................6
2.1 Drawing ....................................................................................................................................6
2.2 Technical data ...........................................................................................................................7
2.3 Connections ..............................................................................................................................7
3 Machine presentation ..........................................................................................................................8
4 Function check....................................................................................................................................8
5 Sensors and overheating thermostats.................................................................................................10
5.1 Inlet air....................................................................................................................................10
5.1.1 Overheating thermostat ..................................................................................................10
5.1.2 Heating sensor (PT100) .................................................................................................. 11
5.2 Outlet air .................................................................................................................................12
5.2.1 Overheating thermostat ..................................................................................................12
5.2.2 Heating sensor (NTC-sensor)..........................................................................................13
5.3 Vacuum switch ........................................................................................................................13
6 Door.................................................................................................................................................15
6.1 Door switch .............................................................................................................................15
6.2 Reversing the door...................................................................................................................18
7 Motor................................................................................................................................................22
7.1 Replacement of motor .............................................................................................................. 22
7.2 Replacement of fan motor.........................................................................................................23
7.3 Replacement of fan..................................................................................................................26
7.4 Replacement of motor pulley ....................................................................................................28
7.5 Replacement of the belt around the motor pulley ........................................................................30
7.6 Replacement of pulley..............................................................................................................33
8 Heating unit, electric ..........................................................................................................................35
8.1 General...................................................................................................................................35
8.2 Replacement of heating element...............................................................................................35
9 Heating unit, gas ...............................................................................................................................37
9.1 Replacement of gas burner.......................................................................................................37
9.2 Replacement of control box ......................................................................................................38
9.3 Replacement of gas valve.........................................................................................................39
9.4 Replacement of flame sensor....................................................................................................41
9.5 Replacement of ignition cable ...................................................................................................42
9.6 Converting instructions.............................................................................................................43
9.7 Table of pressure and adjustment..............................................................................................45
9.8 Test run...................................................................................................................................46
10 Heating unit, steam............................................................................................................................47
10.1 Replacement of steam calorifier ................................................................................................47
10.2 Replacement of damper motor..................................................................................................48
11 Drum................................................................................................................................................49
11.1 Replacement of drum...............................................................................................................49
11.2 Replacement of bearing ...........................................................................................................53
11.3 Replacement of the belt around the drum...................................................................................58
11.4 Replacement of rear sealing .....................................................................................................62
12 Control panel ....................................................................................................................................67
12.1 Control system ........................................................................................................................67
12.1.1Description ....................................................................................................................67
12.1.2Connections...................................................................................................................68
12.1.3Replacement of control system CPU................................................................................69
12.2 Control knob............................................................................................................................73
12.2.1Replacement of control knob ...........................................................................................73
13 I/O modules ......................................................................................................................................75
13.1 General...................................................................................................................................75
13.2 Replacement of I/O module ......................................................................................................77
13.3 External connections to I/O module type 2 .................................................................................79
13.4 Circuit diagram of function options for I/O module type 2 .............................................................80
13.4.1Central payment (2J) ......................................................................................................80
13.4.2Central payment (2J) ......................................................................................................80
13.4.3External coin meter/Central payment (2K) ........................................................................81

Contents
13.4.4Price reduction (2K)........................................................................................................82
14 Troubleshooting ................................................................................................................................83
14.1 General...................................................................................................................................83
14.2 Error code ...............................................................................................................................84
14.3 Description of error codes and causes.......................................................................................88
MAIN COMMON ............................................................................................................88
MAIN WASHER .............................................................................................................89
MAIN DRYER ................................................................................................................93
MAIN BARRIER .............................................................................................................98
MAIN W&D ..................................................................................................................100
MAIN DRYER ..............................................................................................................101
DRUM MOTOR COMMON............................................................................................ 102
DRUM MOTOR EWD ...................................................................................................103
DRUM MOTOR KEB .................................................................................................... 107
DRUM MOTOR OBIWAN.............................................................................................. 116
FAN MOTOR COMMON ............................................................................................... 119
INTERNAL COM. .........................................................................................................120
INTERNAL COM. I/O TYPE 10......................................................................................122
INTERNAL COM. I/O TYPE 6........................................................................................ 124
EXTERNAL COM. PAYMENT .......................................................................................124
EXTERNAL COM. CMIS...............................................................................................125
INTERNAL...................................................................................................................126
15 Maintenance ................................................................................................................................... 127
15.1 Clean the fan, the exhaust duct and the fresh-air intake to the room........................................... 127
15.2 Clean the glide surface for the RMC graphite collector .............................................................. 127
15.3 Clean the area around the drum.............................................................................................. 128
15.4 Clean the motors ...................................................................................................................130
15.5 Check the belt tension............................................................................................................ 131
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
fig.7696
1 Operating panel
2 Door opening, ⌀580 mm
3 Electrical connection
4 Gas connection
5 Exhaust connection
6 Steam: in
7Steam: out
A B (a) B (b) C D E
mm 790 1177 1344 1770 785 840
F G H I J K
mm 108 66 278 171 172 395
L M
mm 605 747

Service Manual 7
2.2 Technical data
Weight, net kg 177
Weight, net, Steam kg 184
Drum volume litres 349
Drum diameter mm 760
Drum depth mm 770
Drum speed, medium load rpm 45
Rated capacity, filling factor 1:18 (Max. load) kg 19.4
Rated capacity, filling factor 1:22 (Recommended load) kg 15.5
Heating: Electricity kW 13.5
kW 18
Heating: Gas kW 21
Heating: Steam at 800 kPa kW 25
Steam pressure kPa 100–1000
Electric heating, 13.5 kW
Maximum air flow
m3/h 1000
Electric heating, 18 kW
Maximum air flow
m3/h 1000
Gas heating
Maximum air flow
m3/h 1000
Steam heating
Maximum air flow
m3/h 1000
Maximum static back pressure, Electric 13.5 kW Pa 520
Maximum static back pressure, Electric 18 kW Pa 270
Maximum static back pressure, Gas Pa 270
Maximum static back pressure, Steam Pa 270
A-weighted emission sound pressure level at working stations dB(A) 70
2.3 Connections
Air outlet ⌀mm 200
Gas connection 1/2” ISO 7/1–R1/2
Steam inlet/outlet ISO 7/1–R1

8Service Manual
3 Machine presentation
fig.7858
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.
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.

Service Manual 9
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)
• Check that the direction of the fan wheel is correct.
fig.W00050A
If the direction is wrong, swop two of the three phases to the left on the connection terminal.
fig.7119
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.
The installer shall instruct the user on the operation of the appliance before leaving.

10 Service Manual
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 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 rear panel.
Replacement of overheating thermostat
Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve.
Demount the rear panel.
Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat.
El and Gas heated machine.
Remount the rear panel.

Service Manual 11
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 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 rear panel.

12 Service Manual
5.2 Outlet air
5.2.1 Overheating thermostat
Description
The outlet overheating thermostat is placed behind the lint filter next to the fan on the front 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. Gas heated machine: Shut off the manual gas valve.
Remove the filter door.
Remove the lint filter and demount the 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.7860
Remount the panel, lint filter and the filter door.
Replacement of overheating thermostat
Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve.
Remove the filter door.
Remove the lint filter and demount the panel.
Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat.
fig.7861
Remount the panel, lint filter and the filter door.

Service Manual 13
5.2.2 Heating sensor (NTC-sensor)
Description
The heating sensor is placed behind the lint filter next to the fan on the front 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. Gas heated machine: Shut off the manual gas valve.
Remove the filter door.
Remove the lint filter and demount the 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.7862
Remount the panel, lint filter and the filter door.
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.
Replacement of vacuum switch
Disconnect the power to the machine. Gas heated machine: Shut off the manual gas valve.
Demount the 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.7863

14 Service Manual
Remount the rear panel.

Service Manual 15
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.

16 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.7637A
Remove the door switch and door switch cable and mount the new one.

Service Manual 17
Connect the door switch cable and push the cable in over the drum and pull it upwards.
fig.7549C
Remount the front panel.
Ensure that the door switch cable does not get damaged when remounting the front panel.

18 Service Manual
Replacement of door magnets
Remove the magnet to be replaced and mount the new one.
fig.7865
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

Service Manual 19
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.7637A
Move the door switch cable to the opposite side.
Note!
The plastic plug MUST be placed in the hole where the door switch cable was before.
fig.7170

20 Service Manual
Loosen the nuts and move the two brackets to the opposite side.
fig.7927
Move the door switch on the front panel.
fig.7172