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AOS_Q OVENS – Service manual

(593804600 - ENG)

burn CAUP: Lockout of cavity burner (gas oven) (the upper one in the 20 grid ovens)

burn CAdo: Lockout of lower cavity burner (gas oven) in 20 1/1 and 2/1 ovens

burn boUP: Lockout of boiler burner (gas oven) (the upper one in 20 2/1 ovens)

burn bodo: Lockout of lower boiler burner (gas oven)

6.2Warnings

EH2O: Before the starting of the cleaning system and during its working, there are some check points of the water pressure. If the water pressure is too low this warning message appears on the display. Check the water pressure (1.5÷2.5 bar), check the correct working of the water pressure switch, check if there are obstructions on the cleaning water inlet pipe (its inner diameter must be 20 mm).

EFLP: Cavity ventilation flap failure; check the motoreducer or the micro switch that detects the close position of the flap.If the motoreducer does not close the flap within the time set in the firmware (40 sec), the error appears.

ELMb: lambda system error. The signal from the lambda probe is out of the range [-50mV ; 1200mV]

ECLO: Clock error, it appears if the clock was never adjusted or the battery is discharged

EPrG: Error in reading the phases of a multiphase recipe

EIND: Error in reading the index of the recipes

EDES: Error in reading the description of a recipe

ERAM: Communication error with the RAM

nFIP: Communication error of recipe display

FILL: Safety level probe of the boiler out of water

PrEH: Preheating phase of the boiler; it indicates the preheating phase of the cavity if the warning message appears on temperature display.

OPEN: boiler drain activated

COOL: Cavity cooling phase

dEt: low level of detergent

rAI: low level of rinser

rCLN: request for a cleaning cycle (manual or automatic);parameter FCLn is set to a value different from 0.

7 Firmware release

In order to check the version of the firmware, switch on the oven and wait for the lamp test and the end of the start-up phase (4 lines on the temperature display). When on the temperature display, the actual cavity temperature appears, pressing the three service buttons together on the display temperature the firmware version will appear. Pressing again these buttons, the board temperature will be displayed.

8 Working temperatures

While the oven is working, it is possible to see the temperature of the several probes pressing the service buttons. See the following figures:

Fig. 16

Fig. 17

Boiler temperature

By-pass temperature

tbol” on the display

tbyp” on the display

Fig. 18

Fig. 19

 

Meat probe temperature

PCB temperature

 

tPrb” on the display

tntc” on the display

 

 

 

File: AOS ONE service manual (ENG).01.doc ©Copyright 2007 by Electrolux Professional

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Electrolux 593804600 service manual Firmware release, Working temperatures

593804600 specifications

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