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

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Zoppas washing machine circuit diagram EWM1000 platform

Washing machine circuit diagram

Electrical components – appliance Components of electronic circuit board

1. Circuit board

2. Suppressor

3. Main switch (on programme selector)

4. Door safety interlock

5. 1st level pressure switch

6. Anti-boiling pressure switch

7. Anti-overflow pressure switch (certain models only)

8. Heating element

9. Stator (motor)

10. Overload circuit-breaker (motor)

11. Tachymetric generator (motor)

12. Rotor (motor)

13. Drain pump

14. Pre-wash solenoid valve

15. Washing solenoid valve

16. “Door closed” lamp (certain models only)

17. Drum positioning system (DSP) (top-loaders – certain models only)

DOOR_TY Triac for door safety interlock

DRAIN_TY Triac for drain pump

K1 Heating element relay

K2 Motor relay: clockwise rotation

K3 Motor relay: anti-clockwise rotation

K4 Motor relay: half-range power (certain models only)

MOTOR_TY Motor triac

ON/OFF Main switch (programme selector)

PWELW_TY Triac for pre-wash solenoid valve

Serial interface Asynchronous serial interface

WELV_TY Triac for washing solenoid valve

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 (relay K4 and buzzer).

Table of alarms error codes EWM1000

Alarm	Description	Possible fault	Action/Machine status	Reset
E00	No alarm
E11	Difficulty in filling during wash phase	Tap closed or water pressure insufficient; Drain hose incorrectly positioned; Water fill solenoid faulty; Leaks from pressure switch hydraulic circuit; Pressure switch faulty; Wiring faulty; Circuit board faulty.	Cycle paused, door closed	Start
E13	Water leakage	Drain hose incorrectly positioned; Water pressure insufficient; Water fill solenoid faulty; Leaks or blockage in pressure switch hydraulic circuit; Pressure switch faulty; Circuit board faulty.	Cycle paused, door closed	Start
E21	Difficulties in draining	Drain hose kinked/blocked/incorrectly positioned; Drain filter clogged or dirty; Drain pump faulty; Pressure switch faulty; Wiring faulty; Circuit board faulty; Current leakage from heating element to ground.	Cycle paused	Start
E23	Drain pump triac faulty	Drain pump faulty; Wiring faulty; Circuit board faulty.	Safety drain - Cycle stopped, door open	Selector on “0”
E24	Problems with «sensing» of drain pump triac	Circuit board faulty.	Safety drain – Cycle stopped, door released	Selector on “0”
E33	Incongruence between contact closure of anti- boiling and 1st level of pressure switch	Pressure switch faulty; Current leakage from heating element to ground; Heating element; Wiring faulty; Circuit board faulty.	Safety drain - Cycle stopped, door open	Selector on “0”
E35	Water overflow	Water fill solenoid faulty; Leaks from pressure switch hydraulic circuit; Pressure switch faulty; Wiring faulty; Circuit board faulty.	Cycle blocked, door closed. Safety drain. Drain pump (sequence 5 min. ON - 5 min. OFF)	Selector on “0”
E36	«sensing» circuit of anti-boiling pressure switch faulty	Circuit board faulty.	Cycle blocked, door closed	Selector on “0”
E37	«sensing» circuit of 1st level faulty	Circuit board faulty.	Cycle blocked, door closed	Selector on “0”
E39	HV «sensing» circuit of anti-flooding pressure switch faulty	Circuit board faulty.	Cycle blocked, door closed	Selector on “0”
E41	Door open	Door safety interlock faulty; Wiring faulty; Circuit board faulty.	Cycle paused	Start
E42	Problems with aperture of door	Door safety interlock faulty; Wiring faulty; Circuit board faulty	Cycle paused	Start or Selector on “0”
E43	Power triac on door interlock faulty	Door safety interlock faulty; Wiring faulty; Circuit board faulty.	Safety drain, door released	Selector on “0”
E44	Door interlock «sensing» faulty	Circuit board faulty.	Safety drain, door released	Selector on “0”
E45	«sensing» on door interlock triac faulty	Circuit board faulty.	Safety drain, door released	Selector on “0”
E51	Motor power triac short-circuited	Circuit board faulty; Current leakage from motor or wiring.	Cycle blocked, door closed (after 5 attempts in diagnostics or immediate during selection)	Selector on “0”
E52	No signal from motor tachimetric generator	Motor faulty; Wiring faulty; Circuit board faulty.	Cycle blocked, door closed (after 5 attempts in diagnostics or immediate during selection)	Selector on “0”
E53	«sensing» circuit on motor triac faulty	Circuit board faulty.	Cycle blocked	Selector on “0”

E54	Motor relay contacts sticking	Circuit board faulty; Current leakage from motor or wiring.	Cycle blocked, door closed (after 5 attempts in diagnostics or immediate during selection)	Selector on “0”
E61	Insufficient heating during washing	NTC sensor faulty; Heating element faulty; Wiring faulty; Circuit board faulty.	Heating phase skipped	---
E62	Overheating during washing	NTC sensor faulty; Heating element faulty; Wiring faulty; Circuit board faulty.	Safety drain (with cooling water fill) - Stop with door open	Selector on “0”
E66	Power relay for heating element faulty	Circuit board faulty; Current leakage from heating element or wiring to ground.	Safety drain (with cooling water fill) - Stop with door open	Selector on “0”
E71	NTC washing sensor faulty	NTC sensor faulty; Wiring faulty; Circuit board faulty.	Heating phase skipped	---
E82	Error in reset position of selector	Circuit board faulty.	Cycle cancelled	Selector on “0”
E83	Error in reading selector position	Configuration data incorrect; Circuit board faulty.	During the cycle continues normally, switches off completely during selection	---
E93	Incorrect machine configuration	Configuration data incorrect; Circuit board faulty.	Appliance blocked	Selector on “0”
E94	Incorrect washing cycle configuration	Configuration data incorrect; Circuit board faulty.	Appliance blocked	Selector on “0”
E95	Communications error between microprocessor and EEPROM	Circuit board faulty.	Appliance blocked	Selector on “0”
E96	Incongruence between hardware version and configuration.	Configuration data incorrect; Circuit board faulty.	Appliance blocked	Selector on “0”
E97	Incongruence between programme selector and cycle configuration	Configuration data incorrect; Circuit board faulty.	Appliance blocked	Selector on “0”
EB1	Power supply frequency of appliance incorrect	Mains power supply problems (incorrect / interference); Circuit board faulty.	Cycle blocked until normal power supply conditions are restored	Selector on “0”
EB2	Voltage too high	Mains power supply problems (incorrect / interference); Circuit board faulty.	Cycle blocked until normal power supply conditions are restored	Selector on “0”
EB3	Voltage too low	Mains power supply problems (incorrect / interference); Circuit board faulty.	Cycle blocked until normal power supply conditions are restored	Selector on “0”

Notes concerning certain alarm codes

Configuration alarms E93-E96: If these alarms are generated (when the appliance is switched on), operation of the appliance is blocked and all the LEDs light. The diagnostics procedure cannot be accessed; the only option is to switch the appliance OFF (by turning the selector to position “0”).
Configuration alarm E94: For this alarm code, only the family for alarm “9” is displayed; the diagnostics procedure cannot be accessed, and the “rapid alarm display” function cannot be used.
Alarms EB1-EB2-EB3: In the event of problems with the mains power supply, the appliance remains in alarm mode until the mains frequency or voltage are restored to the correct value or the appliance is switched off (by turning the programme selector to “0”). The family of alarm “B” is displayed; the diagnostics procedure cannot be accessed, and the “rapid alarm display” function cannot be used. The complete alarm code can be read only when the abnormal situation has ceased.
Alarms E51- E52: During the diagnostics test, all the alarms are displayed. Normally, when the programme selector is turned from one test phase to another, the appliance exits the alarm condition and performs the phase selected. This does not take place in the case of alarms E51 (power triac on motor short-circuited) and E52 (no signal from the tachymetric generator on the motor): in these cases, the only option to exit the alarm condition is to switch the appliance OFF by turning the selector to position “0” (reset).

PNC_ELC	Platform	Pub	Model	BrandName	ProdDate
91479252200	EWM1000	599359685	P1000EM	Zoppas	20030627
91479270100	EWM1000	599360451	P1000EM	Zoppas	20030905
91421103000	EWM1000	599360105	P100E	Zoppas	20030725
91421103002	EWM1000	599371690	P100E	Zoppas	20050701
91421105500	EWM1000	599372077	P100E	Zoppas	20050715
91421111600	EWM1000	599381379	P100E	Zoppas	20060505
91421111601	EWM1000	599381385	P100E	Zoppas	20060508
91478091300	EWM1000	599377623	P100E	Zoppas	20050825
91478092600	EWM1000	599375447	P100E	Zoppas	20060127
91420510200	EWM1000	599371315	P106M	Zoppas	20050617
91420510201	EWM1000	599375751	P106M	Zoppas	20060106
91420520200	EWM1000	599375755	P106M	Zoppas	20060210
91420520201	EWM1000	599378008	P106M	Zoppas	20060217
91420520202	EWM1000	599381693	P106M	Zoppas	20060526
91420520203	EWM1000	599384207	P106M	Zoppas	20061110
91479190700	EWM1000	599380391	P106M	Zoppas	20060616
91428104300	EWM1000	599360108	P65E	Zoppas	20030725
91428104301	EWM1000	599371859	P65E	Zoppas	20050708
91428107400	EWM1000	599372066	P65E	Zoppas	20050715
91428111400	EWM1000	599377768	P65E	Zoppas	20060130
91428111401	EWM1000	599384125	P65E	Zoppas	20060508
91478092400	EWM1000	599380406	P65E	Zoppas	20060616
91428510200	EWM1000	599371335	P76M	Zoppas	20050624
91428520001	EWM1000	599378215	P76M	Zoppas	20060217
91428520002	EWM1000	599382298	P76M	Zoppas	20060526
91479252100	EWM1000	599359684	P800EM	Zoppas	20030627
91479270000	EWM1000	599360449	P800EM	Zoppas	20030905
91428104400	EWM1000	599360110	P80E	Zoppas	20030725
91428104401	EWM1000	599371860	P80E	Zoppas	20050708
91428107500	EWM1000	599372076	P80E	Zoppas	20050715
91428111500	EWM1000	599377773	P80E	Zoppas	20060130
91428111501	EWM1000	599384126	P80E	Zoppas	20060508
91478091200	EWM1000	599374453	P80E	Zoppas	20051216
91478092500	EWM1000	599380399	P80E	Zoppas	20060616
91428510300	EWM1000	599371336	P86M	Zoppas	20050624
91428520101	EWM1000	599377221	P86M	Zoppas	20060317
91428520102	EWM1000	599382299	P86M	Zoppas	20060526
91428520103	EWM1000	599384855	P86M	Zoppas	20061006
91479190600	EWM1000	599380396	P86M	Zoppas	20060616
91479272200	EWM1000	599371291	P87X	Zoppas	20050617
91479273900	EWM1000	599384287	P87X	Zoppas	20061110
91479123000	EWM1000	599364240	P8EM	Zoppas	20040507
91475670400	EWM1000	599381030	PL104E	Zoppas	20060630
91475670300	EWM1000	599381511	PL84E	Zoppas	20060714
91490100000	EWM1000	599380165	PP653E	Zoppas	20060616
91490100001	EWM1000	599385294	PP653E	Zoppas	20061222
91490100005	EWM1000	599704201	PP653E	Zoppas	20071116
91428114000	EWM1000	599381294	Z16	Zoppas	20060505
91428114001	EWM1000	599381488	Z16	Zoppas	20060508
91421113900	EWM1000	599380662	Z20	Zoppas	20060630
91421113901	EWM1000	599382049	Z20	Zoppas	20060811
91421113902	EWM1000	599707016	Z20	Zoppas	20080328
91428520800	EWM1000	599381496	Z616	Zoppas	20060505
91428520801	EWM1000	599381325	Z616	Zoppas	20060714
91428520802	EWM1000	599384836	Z616	Zoppas	20061013
91420521000	EWM1000	599381357	Z620	Zoppas	20060505
91420521001	EWM1000	599381367	Z620	Zoppas	20060508
91420521002	EWM1000	599384738	Z620	Zoppas	20061020


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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.