Electrolux 7.05 Compact service manual Ulf

Page 27

Electrolux

EFS - Dishwashing Systems Platform Electrolux Professional

27The gear motor inverter has generated an allarm.

30 **

The Air

gap

was

not completely

 

emptied

within

the

max. emptying

time.

- The inverter or the gear motor

 

 

 

 

 

 

 

 

 

doesn’t work

properly. Possible

Possible cause

 

 

Remedy

 

 

 

machine alarms documented on

 

 

 

 

 

 

 

 

 

1) OCF overcurrent

- ramp too short

 

- check the state of the

 

 

 

- inertia or load too high

 

mechanism.

 

 

 

 

 

- mechanical locking

 

 

 

 

 

 

2) SCF motor short circuit

- insulation fault or short-

-

check

 

the

cables

 

 

 

circuit at the drive output

connecting the drive to the

 

 

 

 

 

 

 

motor , and the motor

 

 

 

 

 

 

 

insulation.

 

 

 

 

 

 

 

 

 

 

 

3) InF internal fault

- internal fault

 

 

-

check

the

environment

 

 

 

 

 

 

 

(electromagnetic

 

 

 

 

 

 

 

 

compatibility).

 

 

 

 

 

 

 

 

 

- send the drive to be

 

 

 

 

 

 

 

checked/repaired.

 

 

 

 

4) CFF configuration fault

- The current configuration is

- return to factory settings.

 

 

 

inconsistent

 

 

 

 

 

 

 

 

 

 

- some parameters in the

 

 

 

 

 

 

 

 

inverter

have

been

 

 

 

 

 

 

 

 

 

 

5) SOF overspeed

- instability or

 

 

- return to factory settings.

 

 

 

- driving load too high

 

 

 

 

 

 

 

 

 

- some parameters in the

 

 

 

 

 

 

 

 

inverter

have

been

 

 

 

 

 

 

 

 

modified

 

 

 

 

 

 

 

 

 

 

 

6) CrF internal fault

- load relay control fault or

- replace the drive.

 

 

 

 

damaged load resistor

 

 

 

 

 

 

7) OHF drive overload

- drive temperature too high

- check the motor load and

 

 

 

 

 

 

 

the enviroment.Wait for the

 

 

 

 

 

 

 

drive to cool down before

 

 

 

 

 

 

 

restarting.

 

 

 

 

 

 

8) OLF motor overload

- triggered by motor current

- check the motor load. Wait

 

 

 

too high

 

 

for the drive to cool down

 

 

 

 

 

 

 

before restarting.

 

 

 

 

 

9) OSF overvoltage

- line voltage too high

 

- check the line voltage. The

 

 

 

- disturbed line supply

 

overvoltage thresold is 415

 

 

 

 

 

 

 

V on the DC bus.

 

 

 

 

 

 

 

 

10)

ObF

overvoltage during

- braking too sudden or

 

- increase the

deceleration

deceleration

 

driving load.

 

 

time.

 

 

 

11) PHF line phase failure

- drive

incorrectly supplied

- check the power

 

 

 

 

or a fuse blown

 

 

connection and the fuses.

 

 

 

- failure of one phase

 

- reset.

 

 

 

 

 

 

- unbalanced load

 

 

 

 

 

 

 

 

 

 

12) USF undervoltage

- line supply too low

 

- check the voltage and

 

 

 

- transient voltage dip

 

the voltage parameter.

 

 

 

- damaged load resistor

The undervoltage

 

 

 

 

 

 

 

 

threshold is 230 V on the

 

 

 

 

 

 

 

DC bus.

 

 

 

 

 

 

 

 

 

 

- replace the drive.

 

 

 

 

 

 

 

 

 

13)

ULF

 

Current

level

above

the

- Check the value of the

 

 

 

overload threshold LOC.

parameters LOC and tOL

 

 

 

 

 

 

 

in the menu FUn.

 

 

 

 

 

 

 

 

-

Check

the mechanics

 

 

 

 

 

 

 

(wear, mechanical

stops,

 

 

 

 

 

 

 

lubrication, obstacles, etc.).

14)

ULC

 

Current

level

below

the

- Check the value of the

 

 

 

under-load threshold LUL.

parameters LUL and tUL

 

 

 

 

 

 

 

in the menus FUn.

 

-The impeller rotation is wrong.

-The non return valve on the air gap doesn’t work properly.

-The pressure sensor on the air gap doesn’t work properly.

-The air gap air trap is not clean.

31The wash tank was not completely filled within the max. filling time.

-The wash tank water supply cock is not open.

-The water load solenoid valve doesn’t work properly.

-The water feed flow is too low.

-The water inlet filter is not clean.

-The pressure sensor on the wash tank doesn’t work properly.

-The wash tank overflow has not been inserted.

-The wash tank drain solenoid valve doesn’t work properly and remains open.

-The pressure sensor on the wash board doesn’t work properly.

-The wash board doesn’t work properly.

32The pressure sensor on the wash tank does not work correctly.

-The pressure sensor on the wash board doesn’t work properly.

-The wash board doesn’t work properly.

DOC. NO. 5956.677.00

P. 27 / 30

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Image 27
Page 26 Page 28
Contents Compact Ecolab USA Edition Valid for firmware versionsPag IndexIndex of Figures and Tables A1 Display of Auxiliary Values Function KeysPrewash tank level TAn TANSCp SCp 6 GLnNumber of racks = ItE Nbr 168059 165 A2.1 ExitNbr itE rES A3 Service MenuFAm Gfu A3.1 ParametersA3.1.1 Generic FUNC. GFu Selects the type of machine drain. If Phase duraSpd 0 Parame Display Family Parameter Parameter descriptionPrewash tank loading valve Prewash pump Prewash heaters Event to evolve to the next Phase Total WaterTime Min,sec SecPhase Total Water Loads Event to evolve Drain and cold cleaning cycle Cleaning mode ClM =FAM tub RinACo PrEPrt A3.1.5 Communication COMSUp OPMHRD FRS CAD OFS25 sec Default Set PointsEstimated Rinse Volume 20 sec705 A3.2 InfoA3.3 Rinse Control Correct Flow Lit/Min Correct Flow Gallons/Min A4 Accessing Data on the Chemistry Used in the MachineProbe missing Checksum errorWash temperature Probe failedConnectors Layout Multiconnector Boards Connectors Layout Main supply connector Connectors Layout LegendInverter Parameters C1 Inverter Programming C1.1 Display FunctionsC1.2 Inverter Control Terminal Electrical Connections Parameter Description Standard machine C1.3 Parametri DI ConfigurazioneList of possible documented machine alarms ULF Required temperature CoM Lack of rinse aid Lack of Detergent and Rinse AID Warnings

7.05 Compact specifications

The Electrolux 7.05 Compact is a standout appliance designed to meet the needs of modern households seeking efficiency and convenience without compromising on performance. Engineered with a blend of cutting-edge technology and practical design, this compact washing machine emerges as a solution for both small spaces and families alike.

One of the primary features of the Electrolux 7.05 Compact is its size. With a compact design, it fits seamlessly into smaller homes, apartments, and laundry spaces, making it an ideal choice for urban living. Despite its smaller footprint, the machine has a drum capacity sufficient to handle daily laundry loads, catering to the needs of busy households.

Equipped with a powerful motor, the Electrolux 7.05 Compact delivers robust cleaning performance while remaining energy-efficient. Notably, it boasts various washing programs tailored for different fabric types and soiling levels, allowing users to customize each wash for optimal results. The machine's intuitive control panel simplifies operation, offering a user-friendly experience for everyone.

One of the standout technologies integrated into the Electrolux 7.05 Compact is its EcoInverter motor. This innovative motor minimizes energy consumption while maximizing performance, ensuring savings on energy bills. Additionally, the machine is designed for quiet operation, making it suitable for use even in noise-sensitive environments.

The Electrolux 7.05 Compact also features an anti-vibration design, which enhances stability and reduces the noise level during the spin cycle. This feature is particularly beneficial for households that require a peaceful environment during laundry hours.

Another significant characteristic of this model is its water-saving capabilities. By utilizing advanced sensors, the Electrolux 7.05 Compact optimizes water usage according to the load size and fabric type. This not only conserves water but also contributes to lower utility costs over time.

In terms of durability, the Electrolux 7.05 Compact is built with high-quality materials that enhance its longevity. The machine's design includes a robust outer body and a well-engineered drum, ensuring reliability throughout its lifespan.

The Electrolux 7.05 Compact is also designed with user safety in mind. It includes features such as child lock settings and automatic shut-off, providing peace of mind for families with young children.

In summary, the Electrolux 7.05 Compact is a versatile, energy-efficient washing machine that combines modern technology with user-friendly features. Its compact design, powerful performance, and advanced capabilities make it an attractive option for those looking to simplify their laundry experience. With Electrolux, you can count on quality and innovation, making laundry chores less daunting and more efficient.
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