Electrolux Professional N1130 User manual

Service Manual
Tumble dryer
TD6–6
Type N1130..
Original instructions
438916890/EN
2020.12.18

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....................................................................................................................................9
5 Sensors and overheating thermostats.................................................................................................10
5.1 Inlet air....................................................................................................................................10
5.1.1 Overheating thermostat ..................................................................................................10
5.1.2 Heating sensor (PT100)..................................................................................................13
5.2 Outlet air .................................................................................................................................14
5.2.1 Overheating thermostat ..................................................................................................14
5.2.2 Heating sensor (NTC-sensor)..........................................................................................17
6 Door.................................................................................................................................................18
6.1 Door switch .............................................................................................................................18
6.2 Reversing the door...................................................................................................................20
7 Motor................................................................................................................................................22
7.1 Replacement of motor ..............................................................................................................22
7.2 Replacement of the belt around the motor pulley ........................................................................26
7.3 Replacement of fan..................................................................................................................28
7.4 Replacement of fan motor.........................................................................................................32
8 Heating unit, electric ..........................................................................................................................34
8.1 General...................................................................................................................................34
8.2 Replacement of heating element...............................................................................................34
9 Drum................................................................................................................................................38
9.1 Replacement of drum...............................................................................................................38
9.2 Replacement of bearing ...........................................................................................................41
9.3 Replacement of the belt around the drum...................................................................................44
10 Control panel ....................................................................................................................................47
10.1 Control system ........................................................................................................................47
10.1.1Description ....................................................................................................................47
10.1.2Connections...................................................................................................................48
10.1.3Replacement of control system CPU................................................................................49
10.2 Control knob............................................................................................................................53
10.2.1Replacement of control knob...........................................................................................53
11 I/O modules ......................................................................................................................................56
11.1 General...................................................................................................................................56
11.2 Replacement of I/O module ......................................................................................................57
11.3 External connections to I/O module type 2 .................................................................................58
11.4 Circuit diagram of function options for I/O module type 2 .............................................................59
11.4.1Central payment (2J) ......................................................................................................59
11.4.2Central payment (2J) ......................................................................................................59
11.4.3 External coin meter/Central payment (2K) ........................................................................60
11.4.4Price reduction (2K)........................................................................................................61
12 Troubleshooting ................................................................................................................................62
12.1 General...................................................................................................................................62
12.2 Error code ...............................................................................................................................63
12.3 Description of error codes and causes.......................................................................................68
MAIN COMMON ............................................................................................................68
MAIN WASHER .............................................................................................................69
MAIN DRYER ................................................................................................................74
MAIN BARRIER .............................................................................................................81
MAIN W&D ....................................................................................................................84
MAIN DRYER ................................................................................................................85
DRUM MOTOR COMMON..............................................................................................86
DRUM MOTOR EWD .....................................................................................................87
DRUM MOTOR KEB ......................................................................................................91
DRUM MOTOR OBIWAN.............................................................................................. 100
FAN MOTOR COMMON ............................................................................................... 103
INTERNAL COM. .........................................................................................................104

Contents
INTERNAL COM. I/O TYPE 10...................................................................................... 106
INTERNAL COM. I/O TYPE 6........................................................................................108
EXTERNAL COM. PAYMENT .......................................................................................108
EXTERNAL COM. CMIS............................................................................................... 109
INTERNAL................................................................................................................... 110
13 Maintenance ................................................................................................................................... 111
13.1 Clean the fan, the exhaust duct and the fresh-air intake to the room........................................... 111
13.2 Clean the glide surface for the RMC graphite collectors ............................................................ 111
13.3 Clean the area around the drum.............................................................................................. 112
13.4 Clean the motor ..................................................................................................................... 112
13.5 Check the belt ....................................................................................................................... 115
The manufacturer reserves the right to make changes to design and component specifications.

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

6Service Manual
2 Technical data
2.1 Drawing
C
23
4
5
F
G
E
D
A
1
B
fig.W00648D
1 Operating panel
2 Door opening, ⌀370 mm
3 Electrical connection
4 Condense connection (only for condense machines)
5Exhaust connection (only for exhaust machines)
ABCDE
mm 595 715 840 140 50
F G
mm 90 200

Service Manual 7
2.2 Technical data
Exhaust Condense
Weight, net kg 58 57
Drum volume litres 130 130
Drum diameter mm 575 575
Drum depth mm 500 500
Drum speed rpm 53 53
G-factor, max. 0.9 0.9
Rated capacity, filling factor 1:22 (Max. load) kg 6 6
Heating: Electricity kW 5.1 3.0
kW 3.2
A-weighted emission sound pressure level at working stations dB(A) 70 70
2.3 Connections
Exhaust Condense
Air outlet ⌀mm 100 -
Condensate outlet -1/2”

8Service Manual
3 Machine presentation
1 1
26 5
4
4
3 3
Exhaust Condense
1
7
fig.7552H
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 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.

10 Service Manual
5 Sensors and overheating thermostats
5.1 Inlet air
5.1.1 Overheating thermostat
Description — exhaust machines
There are two inlet overheating thermostats. One is placed at the back of the machine and one is placed on the bot-
tom of the machine on the heating element.
The inlet overheating thermostat opens in the event of overheating and shuts off the machine.
Description — condense machines
The inlet overheating thermostat is placed at the back of the machine.
The inlet overheating thermostat opens in the event of overheating and shuts off the machine.
Resetting — exhaust machines
Disconnect the power to the machine.
Press the reset button (A) on the overheating thermostat.
Note!
Resetting must not be done before the cause for overheating is verified and resolved.
A
fig.7585

Service Manual 11
Resetting — condense machines
Disconnect the power to the machine.
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.7594
Replacement of overheating thermostat — exhaust machines
Disconnect the power to the machine.
Demount the casing over the rear panel.
Demount the cover panel over the overheating thermostat.
Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat.
fig.7586
Remount the cover panel over the overheating thermostat and the rear panel.

12 Service Manual
Replacement of overheating thermostat — condense machines
Disconnect the power to the machine.
Demount the casing over the rear panel and the plastic cover. Disconnect the air channel panel.
Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat.
It is recommended to replace the complete heating element cover with the overheating thermostat on.
fig.7595

Service Manual 13
5.1.2 Heating sensor (PT100)
Description
The heating sensor is placed at 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.
Disconnect the heating sensor and remove it. Connect the new heating sensor.
Exhaust Condense
fig.7588E
Make sure the heating sensor is in correct position. 3–6 mm of the heating sensor shall be left outside of the rubber
plug according to the figure.
3-6 mm
fig.X01675

14 Service Manual
5.2 Outlet air
5.2.1 Overheating thermostat
Description — exhaust machines
The outlet overheating thermostat is placed on the bottom of the machine on the outlet air flow.
The overheating thermostat ensures that the machine does not overheat during program operation.
The overheating thermostat opens automatically and has to be reset manually.
Description — condense machines
The outlet overheating thermostat is placed behind the door switch.
The overheating thermostat ensures that the machine does not overheat during program operation.
The overheating thermostat opens automatically and has to be reset manually.
Resetting — exhaust machines
Disconnect the power to the machine.
Demount the rear panel and the cover panel at the air outlet.
Press the reset button (A) on the overheating thermostat.
Note!
Resetting must not be done before the cause for overheating is verified and resolved.
A
fig.7589
Remount the cover panel at the air outlet and the rear panel.

Service Manual 15
Resetting — condense machines
Disconnect the power to the machine.
Open the door and demount the door switch.
Press the reset button (A) on the overheating thermostat.
Note!
Resetting must not be done before the cause for overheating is verified and resolved.
A
fig.7593
Remount the door switch.
Replacement of overheating thermostat — exhaust machines
Disconnect the power to the machine.
Demount the rear panel.
Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat.
fig.7590
Remount the rear panel.

16 Service Manual
Replacement of overheating thermostat — condense machines
Disconnect the power to the machine.
Open the door and demount the door switch. Disconnect the overheating thermostat and remove it. Connect the new
overheating thermostat.
fig.7596
Remount the door switch.

Service Manual 17
5.2.2 Heating sensor (NTC-sensor)
Description — condense machines
The heating sensor is placed next to the outlet overheating thermostat behind the door switch.
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) — condense machines
Disconnect the power to the machine.
Open the door and demount the door switch. Disconnect the heating sensor and remove it. Connect the new heating
sensor.
fig.7597
Remount the door switch.

18 Service Manual
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.
A
fig.W00275
Replacement of door switch
Disconnect the power to the machine.
Demount the top panel.
Cut the cable tie holding the door switch cable.
Open the door and demount the door switch and the door switch cable and mount the new one.
fig.W00276
Remount the top panel.

Service Manual 19
Replacement of door magnets
Remove the magnet to be replaced and mount the new one.
fig.7459

20 Service Manual
6.2 Reversing the door
Disconnect the power to the machine.
Demount the lower hinge and lift off the door.
Note!
Make sure to hold the door in position when loosening the hinge mounting.
Demount the upper hinge.
fig.W00180A
Demount the cover screws on the other side and mount them where the hinges was. Mount the hinges on the other
side where the cover screws was. Mount the lower hinge soft, with one screw first, in order to make it easier to place
the door back in position.
fig.W00182A
Demount the door handle and remount the screws. Mount the door handle on the opposite side using the existing
screws.
Remove the upper and lower pivot and mount them at the opposite side.
fig.W00183A