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Technical Training & Service
AOS_Q OVENS – Service manual
(593804600 - ENG)
File: AOS ONE service manual (ENG).01.doc ©Copyright 2007 by Electrolux Professional P.13/31
Boiler preheating: After the filling of the boiler, the water is heated up to 85 °C (parameter SPHb) and
maintained at this temperature if the boiler is not used (if the preheating is enabled i.e. if parameter dSPS is
set to 1).
Hour counters: The hour counter parameters are the following:
hbol: boiler quarter of hour counter from the latest draining (automatic or manual)
hAir: hot air mode hour counter
hStM: steam mode hour counter
hcMb: combi mode hour counter
Parameter PPM: Setting this parameter to 1, the Energy Optimiser function is enabled (with Sicotronic
system) in the foreseen electric ovens. The 2 high voltage digital inputs named IND4 (X10-11/5) and IND5
(X10-11/6) and the 2 output relays RL5 and RL24 are used. RL5 is closed each time the oven has to use
the heating elements at half or full power while RL24 is closed when the heating elements have to be used at
full power (independently from Sicotronic system). IND4 and IND5 are the high voltage inputs of the
commands from Sicotronic system: if on IND4 and IND5 are present 230V the oven is working normally; if
only one is at 230V the oven is forced from Sicotronic system to work at half power (with no visualization on
the display); if both IND4 and IND5 are at 0V, the oven is forced to cut all the heating elements
Parameter dEMO: If enabled (set to 1), this parameter makes the oven working in demo function i.e. the
user interface is fully working but the oven does not make any real function (no load is activated).
Parameter tbon: Timeout for E SL error; if it is set to 0 the control is disabled (from firmware 2.80).
Parameter AbSP: Setting this parameter to 1, the selected cooking cycle starts closing the door without
pressing the START/STOP button.
Parameter dSPS: Setting this parameter to 1 the pre-heating of the boiler is disabled when the oven is not in
cooking mode, so the pre-heating will start at the beginning of a combi or steam mode or of a recipe that
provided the use of those modes in one of its steps.
13 Gas system