Juno-Electrolux washing machine wiring diagram service manual error code circuit schematic schema repair instruction guide user manual free pdf download

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Washing machine circuit diagram EWM1000plus EWM2000evo EWM3000new platform

Components in the appliance Components of the PCB

1. Electronic board
2. Suppressor
3. ON/OFF switch
4. ON/OFF pilot lamp
5. Door interlock
6. Anti-boiling pressure switch
7. Heating element
8. 1st level pressure switch
9. Anti-overflow pressure switch (not all models)
10. Pre-wash solenoid valve
11. Wash solenoid valve
12. Bleach solenoid valve (not all models)
13. Drain pump
14. Closed door lamp (not all models)
15. Control/display board
16. Thermal cut-out (motor)
17. Stator (motor)
18. Rotor (motor)
19. Tachometric generator (motor)
20. NTC temperature sensor BELV_TY Bleach solenoid Triac
DOOR_TY Door interlock Triac
DRAIN_TY Drain pump Triac
K1 Heating element relay
K2 Motor relay: clockwise rotation
K3 Motor relay: anti-clockwise rotation
K4 Motor relay: half field power supply (models with higher spin at
1200 rpm)
MOTOR_TY Motor Triac
PWELW_TY Pre-wash solenoid Triac
Serial interface Asynchronous serial interface
WELV_TY Wash solenoid Triac

Components in the appliance			Components of the PCB
1. Electronic board 2. Suppressor 3. Drain pump 4. Aqua control 5. Anti-boiling pressure switch 6. Door interlock 7. Heating element 8. 1st level pressure switch 9. Anti-overflow pressure switch (not all models) 10. Pre-wash solenoid valve 11. Wash solenoid valve 12. Bleach solenoid valve (not all models) 13. Closed door lamp (not all models) 14. Selector 15. Control/display board 16. Thermal cut-out (motor) 17. Stator (motor) 18. Rotor (motor) 19. Tachometric generator (motor) 20. NTC temperature sensor			BELV_TY Bleach solenoid Triac DOOR_TY Door interlock Triac DRAIN_TY Drain pump Triac K1 Heating element relay K2 Motor relay: clockwise rotation K3 Motor relay: anti-clockwise rotation K4 Motor relay: half field power supply (models with higher spin at 1200 rpm) MOTOR_TY Motor Triac PWELW_TY Pre-wash solenoid Triac Serial interface Asynchronous serial interface WELV_TY Wash solenoid Triac

Burning on the circuit control board EWM1000plus platform

In case of burning on the main circuit board, check that the problem is not caused by another electrical component (short-circuits, poor insulation, water leakage). Refer to the figures below in order to identify the component that might have caused the burning according to the position of the burned area. The circuit board shown below is the version with the greatest number of components: other boards may not feature all these components.

Burning on the circuit control board EWM1000plus platform washing machine

Connectors on circuit control board EWM1000plus platform

J1	J2	J3	J4
Motor J1-1 Motor (triac) J1-2 Motor (rotor) J1-3 Motor (rotor) J1-4 Motor (stator - full range) J1-5 Motor (stator - 1/2 range)	Door lamp J2-1 Door lamp J2-2 Door lamp	J3-1 Door safety interlock (line-sensing) J3-2 Drain pump (line) J3-3 Aqua Control (line) J3-4 Anti-overflow pressure switch (line) J3-5 1st level (sensing) J3-6 Anti-overflow (sensing) J3-7 Drain pump (triac)	Solenoid valves J4-1 Prewash solenoid (line) J4-2 Bleach solenoid (line) J4-3 Prewash solenoid (triac) J4-4 Wash solenoid (triac) J4-5 Bleach solenoid (triac)
J5	J6	J7	J8
J5-1 Drum positioning (DSP) (sensing) J5-2 Drum positioning (DSP) (+5v) J5-3 Tachometric generator motor J5-4 Tachometric generator motor J5-5 NTC temperature sensor washing (sensing) J5-6 NTC temperature sensor washing (+5v)	Heating element: J6-1 Relay J6-2 Line	DAAS Interface: J7-1 ASY_IN J7-2 ASY_OUT J7-3 Vcc (+5v) J7-4 GND	Display board J8-1 Vcc (+5v) J8-2 GND J8-3 SY OUT J8-4 SY IN J8-5 SY CLK
J10	J12	J14
J10-1 Line ON/OFF J10-2 Door safety interlock (triac) J10-3 Washing solenoid (line)	J12-1 LV2 (sensing) J12-2 Door safety interlock	Flowmeter J14-1 GND J14-2 Vcc (5v) J14-3 Flowmeter_dgt_in J14-4 Flowmeter_anl_in

Reading the alarm codes

In order to read the last alarm code memorized in the EEPROM on the PCB:
with knob
• Enter diagnostics mode
• Irrespective of the type of PCB and configuration, turn the
programme selector clockwise to the tenth position.

without knob
• Press the Fabrics (1) or Temperature (2) button until LED L10
lights.

Displaying the alarm

The alarm is displayed by a repeated flashing sequence of the two LEDs (0.4
seconds lit, 0.4 seconds off, with an interval of 2.5 seconds between sequences).
The buzzer (if featured) will sound “bips” in synchronization with the flashing of
the LEDs.
• END OF CYCLE LED → indicates the first digit of the alarm code (family)
• START/PAUSE → indicates the second digit of the alarm code (number
within the family)
These two LEDs are featured on all models (though they are configured
differently), and flash simultaneously.

Notes:
• The first letter of the alarm code “E” (Error) is not displayed, since this letter is
common to all alarm codes.
• The alarm code “families” are shown in hexadecimal; in other words:
→ A is represented by 10 flashes
→ B is represented by 11 flashes
→ ...
→ F is represented by 15 flashes
• Configuration errors are shown by the flashing of a series of LEDs.

Examples of alarm displays

Example: Alarm E43 will display the following:
• On the display, if featured, E43
• The sequence of four flashes of the End-of-cycle LED indicates the first number E43;
• The sequence of three flashes of the Start/Pause LED indicates the second number E43;

Alarm Description Possible malfunction Action/status of machine Reset

E00 No alarm ---

E11 Poor water fill before wash cycle Tap closed or water pressure too low; Drain tube improperly positioned;
Water fill solenoid valve is defective; Leaks from water circuit on
pressure switch; Pressure switch defective; Wiring defective; Main board
defective. Cycle is paused with door locked Start

E12 Difficulty in water fill during drying (maximum
time 3 min. water fill in drying during the wash
load unrolling phase) Tap closed or water pressure too low; solenoid valve; pressure switch
water circuit; pressure switches; wiring; main board. Cycle is paused Start

E13 Water leaks Drain tube improperly positioned; Water pressure too low;
Water fill solenoid valve is defective; Water circuit on pressure switch is
leaking/clogged; Pressure switch defective. Cycle is paused with door locked Start

E21 Poor draining Drain tube kinked/clogged/improperly positioned; Drain filter
clogged/dirty; Drain pump defective; Pressure switch defective; Wiring
defective; Main board defective; Electrical current leak between heating
element and ground. Cycle is paused Start

E22 Difficulty in water fill during drying or drying
condenser clogged (anti-boiling pressure
switch closed on “FULL”) Drain hose kinked; filter clogged: drying condenser clogged; drain pump
faulty; pressure switches faulty; wiring; main circuit board defective;
current leakage between heater and ground. Cycle is paused Start

E23 Defective triac for drain pump Drain pump defective; Wiring defective; Main board defective. Emergency drain procedure - Cycle
stops with door unlocked OFF/reset

E24 Malfunction in sensing circuit on triac for drain
pump Main board defective. Emergency drain procedure - Cycle
stops with door unlocked OFF/reset

E31 Malfunction in pressure switch circuit
(frequency of signal from pressure switch out
of limits) Pressure switch; Wiring; Main board; Cycle stops with door locked OFF/reset

E32 Electronic pressure switch improperly
calibrated (level on electronic pressure switch
differs from 0-66 mm after initial calibration
drain and when antiboiling pressure switch is
on “empty”). Tap is closed or water pressure is too low;
Solenoid valve;
Water circuit on pressure switches; pressure switches;
Wiring; main board; Cycle is paused Start

E33 Inconsistency between level on electronic
pressure switch and level on antiboiling
pressure switch 1-2 (fault persists for at least
60 sec.). Pressure switch defective;
Electrical current leak between heating element and ground; Heating
element; Wiring defective;
Main board defective.
Water circuit; Emergency drain procedure - Cycle
stops with door unlocked OFF/reset

E34 Inconsistency between level on electronic
pressure switch and level on antiboiling
pressure switch 2 (fault persists for at least 60
sec.). Pressure switch defective;
Electrical current leak between heating element and ground; Heating
element; Wiring defective;
Main board defective.
Water circuit; Emergency drain procedure - Cycle
stops with door unlocked OFF/reset

E35 Overflow Water fill solenoid valve is defective; Leaks from water circuit on
pressure switch; Pressure switch defective; Wiring defective; Main board
defective. Cycle stops. Emergency drain
procedure. Drain pump continues to
operate (5 min. on, then 5 min. off, etc.). OFF/reset

E36 Sensing circuit on antiboiling pressure switch
1 defective Main board defective.
Electrical current leak between drying heating element and ground Cycle stops with door locked OFF/reset

E37 1st level sensing circuit faulty PCB faulty. Cycle blocked, door locked. OFF/reset

E38 Pressure chamber blocked
(water level does not vary for at least 30 sec.
during drum rotation Pressure switch hydraulic circuit;
Pressure switches;
Motor drive belt broken; Heating phase skipped. ---

E39 “HV” sensor of anti-overflow level faulty PCB faulty. Cycle blocked, door locked. OFF/reset

E3A Heating elem. relay sensing faulty PCB faulty. Cycle blocked, door locked OFF/reset

E41 Door open Door interlock faulty; wiring faulty;
PCB faulty. Cycle paused Start

E42 Problems of door closure Door interlock faulty; wiring faulty;
PCB faulty. Cycle paused Start

E43 Interlock power supply triac faulty Door interlock faulty; wiring faulty;
PCB faulty. (Safety drain cycle) Cycle blocked OFF

E44 Door interlock sensor faulty PCB faulty. (Safety drain cycle) Cycle blocked OFF

E45 Door interlock sensing circuit triac faulty PCB faulty (Safety drain cycle) Cycle blocked OFF

E51 Motor power supply triac short-circuited PCB faulty; current leakage from motor or from wiring. Cycle blocked, door locked (after 5
attempts) OFF/reset

E52 No signal from motor tachometric generator Motor faulty; wiring faulty; PCB faulty Cycle blocked, door locked (after 5
attempts) OFF/reset

E53 Motor triac sensing circuit faulty PCB faulty. Cycle blocked, door locked OFF/reset

E54 Motor relay contacts sticking PCB faulty; current leakage from motor or from wiring Cycle blocked, door locked (after 5
attempts) OFF/reset

E57 Inverter is drawing too much current (>15A) Motor defective; Wiring defective on inverter for motor, inverter board
defective. Cycle stops with door locked (after 5
attempts). OFF/reset

E58 Motor is drawing too much current (>4.5A) Motor defective; Wiring defective on inverter for motor, inverter board
defective, abnormal motor operation (motor overloaded). Cycle stops with door locked (after 5
attempts). OFF/reset

E59 No signal from tachometric generator for more
than 3 seconds Motor defective; Wiring defective on inverter for motor;
Inverter board defective. Cycle stops with door locked (after 5
attempts). OFF/reset

E5A Overheating on heat dissipater for inverter Inverter board defective. NTC open (on the inverter board).
Overheating caused by continuous operation or ambient conditions (let
appliance cool down) Cycle stops with door locked (after 5
attempts). OFF/reset

E5B Input voltage is lower than 175V Wiring defective, Inverter board defective Cycle stops with door locked (after 5
attempts). OFF/reset

E5C Input voltage is too high Inverter board defective, the mains voltage is too high (measure the
mains voltage) Cycle stops with door locked (after 5
attempts). OFF/reset

E5D Data transfer error between inverter and main
board Line interference, Wiring defective, defective main board or inverter
board Cycle stops with door locked (after 5
attempts). OFF/reset

E5E Communication error between inverter and
main board Defective wiring between main board and inverter board,
Defective inverter board, defective main board Cycle stops OFF

E5F Inverter board fails to start the motor Defective inverter board, Defective wiring, defective main board Cycle stops with door locked (after 5
attempts). OFF/reset

E61 Insufficient heating during wash cycle Defective NTC sensor for wash cycle; Heating element defective; Wiring
defective; Main board defective. Heating phase is skipped Start

E62 Overheating during wash cycle Defective NTC sensor for wash cycle; Heating element defective; Wiring
defective; Main board defective. Safety drain cycle - Cycle stops with door
unlocked OFF/reset

E66 Relay supplying power to heating element
defective Main board defective; Electrical current leak from heating element to
ground. Safety drain cycle - Cycle stops with door
unlocked OFF/reset

E71 NTC sensor for wash cycle defective Defective NTC sensor; Wiring defective;
Main board defective. Heating is skipped Start

E72 Fault in NTC sensor on drying condenser
(voltage out of range = short-circuit, open
circuit) Drying NTC sensor (condenser) defective; wiring defective; main circuit
board defective. Heating is skipped Start

E73 Fault in NTC sensor on drying duct (voltage
out of range = short-circuit, open circuit) Drying NTC sensor (duct) defective; wiring defective; main circuit board
defective. Heating is skipped Start

E74 NTC sensor for wash cycle improperly
positioned NTC sensor improperly positioned; Defective NTC sensor; Wiring
defective; Main board defective. Heating is skipped Start

E82 Error in selector reset position PCB faulty (Wrong configuration data). Selector, wiring --- OFF/reset

E83 Error in reading selector PCB faulty (Wrong configuration data). Selector, wiring Cycle cancelled ---

E84 Recirculation pump defective (inconsistency
between the state of the sensing circuit for the
recirculation pump and the state of the triac) Recirculation pump;
Wiring;
Main board; Machine drains and cycle stops (with
door unlocked) OFF/reset

E85 Defective sensing circuit on triac for
recirculation pump (input voltage on
microprocessor remains at 0 or 5 V). Main board Machine drains and cycle stops (with
door unlocked) OFF/reset

E91 Communication error between main board and
display board Wiring defective; Control/display board defective
Main board defective. Cycle stops ---

E92 Inconsistency in communication between main
board and display board
(versions not compatible) Wrong control/display board;
Wrong main board (not right for model). Cycle stops ---

E93 Configuration error on appliance Main board defective (Improper programming). Cycle stops OFF/reset

E94 Configuration error on wash cycle Main board defective (Improper programming). Cycle stops OFF/reset

E95 Communication error between microprocessor
and EEPROM Main board defective. Cycle stops OFF/reset

E97 Inconsistency between list of programmes and
configuration of cycle Main board defective (Improper programming). Cycle stops OFF/reset

E98 Communication error between microprocessor
and clock Display board faulty The cycle continues -----------

EB1 Frequency of power supplied to appliance out
of limits Problems with the power mains (wrong power/interference); Main board
defective. Cycle stops ---

EB2 Input voltage too high Problems with the power mains (wrong power/interference); Main board
defective. Cycle stops ---

EB3 Input voltage too low Problems with the power mains (wrong power/interference); Main board
defective. Cycle stops ---

EBE Inconsistency between safety relay and
sensing circuit Main board defective, defective wiring Machine drains and cycle stops (with
door unlocked) OFF/reset

EBF Sensing circuit on safety system defective
(input voltage on microprocessor remains at 0
or 5 V). Main board defective Machine drains and cycle stops (with
door unlocked) OFF/reset

EC1 Solenoid valve inoperative but flow meter
operating Main board defective, Solenoid valve defective Cycle stops with door locked (after 5
attempts). OFF/reset

EC2 Signal from turbidity sensor out of limits Turbidity sensor defective, Main board defective, Wiring defective ----------------------- Start/reset

EC3 Signal from weight sensor out of limits Weight sensor defective, Main board defective, Wiring defective --- Start/reset

EF1 Drain filter clogged
(drain cycle too long) Drain tube clogged/kinked/placed too high;
Drain filter dirty/clogged. Warning is displayed at end of cycle
(relative LED is lit) ---

EF2 Too much detergent
(too much foam during drain cycles) Too much detergent used; Drain tube clogged/kinked;
Drain filter dirty/clogged. Warning is displayed at end of cycle
(relative LED is lit) ---

EF3 “Water Control” system tripped Water leaks onto base frame; water control system defective. Machine drains and cycle stops OFF/reset

EF4 Water fill pressure too low, no signal from flow
meter and solenoid valve is open Tap closed, water pressure too low --------------------------- Reset

91460122000	EWM2000evo	599383853	JWT8014	Juno-Electrolux	20060407
91460122001	EWM2000evo	599386196	JWT8014	Juno-Electrolux	20070216
91451090400	EWM2000evo	599373995	JWV7814	Juno-Electrolux	20051125
91451091900	EWM2000evo	599376842	JWV7814	Juno-Electrolux	20060310


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	1. PURPOSE OF THIS SERVICE MANUAL The purpose of this Service Manual is to provide Service Engineers, who already have the basic knowledge necessary to repair household washing machines, with information of a general nature regarding the HEC range of washing machines. More detailed information regarding specific models may be found in the Service Notes and Service Manuals (issued separately) for each specific model or functionality. This information covers: Circuit diagrams Exploded views of spare parts Spare parts lists Functions and diagnostics 2. IMPORTANT NOTES Repairs to electrical appliances must be effected only by qualified personnel. Before accessing the components inside the appliance, always remove the plug from the power socket. Where possible, ohmic measurements should be effected rather than direct measurement of voltage and current. Certain metal components inside the appliance may have sharp edges. Care should be taken to avoid cuts or abrasions. Before laying the appliance on the floor, always drain any water by means of the system placed beside the drain filter. Never lay the appliance on its right side (i.e. electronic control unit side); this would cause the water in the detergent dispenser to fall onto electrical components, thus damaging them. After repairing the appliance, always perform the final tests. 3. CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS of this publication. Remember: Safety First. General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation.