Electrolux OVC3000 User manual

SERVICE MANUAL
COOKING
Built-in ovens and
Cookers
OVC3000
POWER BOARD
ELECTROLUX HOME PRODUCTS
Customer Care - EMEA
Training and Operations Support
Technical Support
Publication
number
599 73 09-98
Edition: 08/2013 - Rev. 02
EN

Technical Support - BSP 2/47 599 73 09-98 Rev. 02

Technical Support - BSP 3/47 599 73 09-98 Rev. 02
TABLE OF CONTENTS
1 - INTRODUCTION-----------------------------------------------------------------------------------------------page 5
1.1 - PURPOSE OF THIS MANUAL----------------------------------------------------------------------------------- page 5
1.2 - WARNINGS----------------------------------------------------------------------------------------------------------- page 5
1.3 - ABBREVIATIONS, ACRONYMS, DEFINITIONS------------------------------------------------------------ page 5
2 - OVERVIEW -----------------------------------------------------------------------------------------------------page 6
2.1 - RANGE OF APPLICATION--------------------------------------------------------------------------------------- page 6
3 - BLOCK DIAGRAM--------------------------------------------------------------------------------------------page 7
4 - TECHNICAL FEATURES -----------------------------------------------------------------------------------page 8
4.1 - FEATURES ----------------------------------------------------------------------------------------------------------- page 8
4.2 - FUNCTIONALITY---------------------------------------------------------------------------------------------------- page 8
4.3 - FPM (FOOD PROBE MODULE) EXTENSION FUNCTIONALITY-------------------------------------- page 8
4.4 - OVC3000 BOARD FIXING SYSTEM--------------------------------------------------------------------------- page 9
4.5 - AUTO SWITCH OFF------------------------------------------------------------------------------------------------ page 9
5 - CONNECTIONS TO THE POWER BOARD------------------------------------------------------------page 10
5.1 - POSITIONS OF THE BOARD FUNCTION AND DETALS ON APOLLO APPLICATION--------- page 10
5.2 - POSITIONS OF CONNECTORS-------------------------------------------------------------------------------- page 11
5.3 - FUNCTION OF RELAY AND TRIAC --------------------------------------------------------------------------- page 12
6 - DIFFERENCES WITH PREVIOUS POWER BOARDS----------------------------------------------page 13
7 - USER INTERFACES USED --------------------------------------------------------------------------------page 14
8 - OVEN TEMPERATURE SENSOR (PT500) ------------------------------------------------------------page 15
8.1 - GRAPH OF TEMPERATURE VS SENSOR RESISTANCE---------------------------------------------- page 15
9 - HIGH POWER LOADS---------------------------------------------------------------------------------------page 16
9.1 - TOP HEATER -------------------------------------------------------------------------------------------------------- page 16
9.1.1 - NORMAL TOP HEATER------------------------------------------------------------------------------------ page 16
9.1.2 - TOP HEATER WITH SMEL FILTER--------------------------------------------------------------------- page 16
9.2 - BOTTOM HEATER-------------------------------------------------------------------------------------------------- page 17
9.3 - RING HEATER------------------------------------------------------------------------------------------------------- page 17
9.4 - STEAM GENERATOR FOR STEAM OVENS---------------------------------------------------------------- page 18
10 - LOW POWER LOADS -------------------------------------------------------------------------------------page 18
10.1 - OVEN LAMP -------------------------------------------------------------------------------------------------------- page 18
10.1.1 - TOP LAMP---------------------------------------------------------------------------------------------------- page 18
10.1.2 - LATERAL LAMP--------------------------------------------------------------------------------------------- page 19
10.2 - COOLING FAN----------------------------------------------------------------------------------------------------- page 19
10.2.1 - COOLING FAN FOR NON PYRO OVENS ----------------------------------------------------------- page 19
10.2.1 - DUAL SPEED COOLING FAN FOR PYRO OVENS----------------------------------------------- page 20
10.3 - HOT AIR FAN------------------------------------------------------------------------------------------------------- page 20
11 - MICRO SWITCHES AND SENSORS-------------------------------------------------------------------page 21
11.1 - DOOR SWITCH FOR ILLUMINATION----------------------------------------------------------------------- page 21
11.2 - DOOR LOCK-------------------------------------------------------------------------------------------------------- page 21
11.3 - MICROSWITCH SUPPORT GRIDS FOR PYRO---------------------------------------------------------- page 22
11.4 - NTC SENSOR FOR STEAM OVEN -------------------------------------------------------------------------- page 22
12 - FOOD PROBE MODULE (FPM)-------------------------------------------------------------------------page 23
12.1 - FPM BASIC---------------------------------------------------------------------------------------------------------- page 23
12.1.1 - POSITIONS OF CONNECTORS------------------------------------------------------------------------ page 23
12.2 - FPM FULL (2 RELAY)-------------------------------------------------------------------------------------------- page 24
12.2.1 - POSITIONS OF CONNECTORS------------------------------------------------------------------------ page 24
12.2.2 - FUNCTIONS OF RELAY---------------------------------------------------------------------------------- page 25
12.3 - FPM FULL (3 RELAY)-------------------------------------------------------------------------------------------- page 25
12.3.1 - POSITIONS OF CONNECTORS------------------------------------------------------------------------ page 26
12.3.2 - FUNCTIONS OF RELAY---------------------------------------------------------------------------------- page 26
12.4 - FPM FIXING SYSTEM ------------------------------------------------------------------------------------------- page 27
12.5 - FOOD PROBE------------------------------------------------------------------------------------------------------ page 27
12.5.1 - DIAGRAM TEMPERATURE / RESISTANCE SENSOR ------------------------------------------ page 28
12.6 - STEAM ACTUATOR ---------------------------------------------------------------------------------------------- page 28

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13 - FAILURE TREE ANALYSIS ------------------------------------------------------------------------------page 29
13.1 - ALARM CODE------------------------------------------------------------------------------------------------------ page 29
13.2 - ALARM CODE LIST----------------------------------------------------------------------------------------------- page 30
13.3 - ALARM DISPLAY AND TROUBLESHOOTING------------------------------------------------------------ page 31
14 - EXAMPLE OF CIRCUIT DIAGRAM FOR DIFFERENT APPLICATIONS--------------------page 39
14.1 - EXAMPLE OF CIRCUIT DIAGRAM FOR OVENS NOT PYRO---------------------------------------- page 39
14.2 - EXAMPLE OF CIRCUIT DIAGRAM FOR OVENS PYRO----------------------------------------------- page 40
14.3 - EXAMPLE OF CIRCUIT DIAGRAM FOR STEAM OVENS--------------------------------------------- page 41
14.4 - LEGEND OF CIRCUIT DIAGRAM----------------------------------------------------------------------------- page 42
15 - DEMO MODE-------------------------------------------------------------------------------------------------page 44
15.1 - DEMO MODE IN THE UI “VISION VCU” -------------------------------------------------------------------- page 44
15.2 - DEMO MODE IN THE OMEGA UI ---------------------------------------------------------------------------- page 44
15.3 - DEMO MODE IN THE EXAGON UI--------------------------------------------------------------------------- page 45
16 - POWER BOARD OVC3000 AND OVC3000EOS ---------------------------------------------------page 46
17 - OVC3000 VERSION FOR MICROWAVE OVENS (EMC SHIELDED) -------------------------page 46
18 - REVISIONS ---------------------------------------------------------------------------------------------------page 46

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1 -INTRODUCTION
1.1 - PURPOSE OF THIS MANUAL
The purpose of this Manual is to provide information of new Ovens Power board OVC3000.
1.2 - WARNINGS
All work with open appliances must be done with the mains supply
disconnected.
The intervention on electrical equipment should only be performed by
qualified personnel.
Before an operation in a device, check the efficiency of the system housing
through means of appropriate equipment. As an example, refer to the
indications described / illustrated in the portal Electrolux Learning Gateway
(http://electrolux.edvantage.net).
After intervention, verify that the conditions have been restored to the
safety switch apparatus, as just leaving the assembly line.
In the case of manipulation / replacement of the PCB, use the ESD kit (Code
405 50 63-95/4) to prevent electrostatic discharge damage the circuit board
see SB No. 599 72 08-09
1.3 - ABBREVIATIONS, ACRONYMS, DEFINITIONS
AD
Analogical Digital
APD
All Pole Disconnection relay
FP
Food Probe
FPM
Food Probe Module
HC
Hob controller power board
HUI
Hob User Interface
HXOUI
Hexagon Oven User Interface
HXPM
Hexagon Power module
OC
Oven controller power board
OVF
Oven Function
OUI
Oven User Interface
PWM
Pulse width modulation
SB
Smart Board
SPD
Single pole disconnection relay
SPI
Serial Peripheral Interface
ToD
Time of day (or OFF_STATE, depends on OUI)
VCU
“Vision Control Updated” (OUI type)

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2 -OVERVIEW
The electronic board OVC3000 introduces new concepts of power board to the ovens.
New electronic concept for common cavity appliances (Apollo, Ariane, Sputnik, GV)
•Optional replacement of OVC1000/OVC2000 in the current range of Access appliances (*)
•OVC2000 replacement for single cavity appliances with food probe functionality (*)
•MACS –Communication
•According EN60335-1: Amendment 2
•According standby requirements from 2010 (0.460 W, POB stand alone)
•Reinforced isolation for Food Probe Module (Class II)
(*) NOTE : Only from the standpoint of new production, in service you cannot replace the old cards with the
new.
2.1 - RANGE OF APPLICATION
OVC3000 is a power board for single oven, and in the models with microwave and steamer with limited
functions. The unit can control 4 heating elements, 5 small loads. The food probe functionality and 3 extra
relays are covered by an optional board (FPM).
The power board OVC3000 was designed to be used in the Apollo, Ariane, Sputnik, Global Vision, Century,
Access, FS Access and Matrix platforms to control the Non Pyro, Pyro, Microwave and Steam single ovens.

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3 - BLOCK DIAGRAM
In Figure 1 shows the general block diagram of the use of the power board OVC3000.
Fig. 1
µ P
SENSOR
(PT500 oven
sensor)
LOADS
(Heating
elements,
fans etc.)
OVC3000 POWER BOARD
DISPLAY
BUZZER
µ P
USER INTERFACE
DOOR
LOCK
SENSOR
(Meat probe)
FPM FOOD
PROBE
MODULE
LOADS
ADDITIONAL
(Steam generator
etc.)
Bus for HOB (MACS)
/ SERVICE (Optional)

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4 - TECHNICAL FEATURES
4.1 - MAIN FEATURES (*)
•Modular system: Power board OVC3000 + Food Probe Module FPM:
•Pollution degree 2
•Ambient temperature : max. 105°C
•With extension board (FPM)
•Supported appliances
Non Pyro
Pyro
Microwave
Steam
4.2 - FUNCTIONALITY(*)
•Max 4 heating elements (eg. Grill, ring, top, bottom)
•5 small loads
•Isolated MACS communication with UI
•1 sensor for oven cavity (PT500)
•Analog inputs for door switch, telescopic runners detection
•Pyrolytic (door lock)
•Microwave function
4.3 - FPM (FOOD PROBE MODULE) EXTENTION FUNCTIONALITY (*)
In the appliances where was applied the Food Probe or more other functions (e. g. steamer or Magnetron),
in order to cover all the functions it was necessary to add one of the following three FPM.
•- Food Probe Module basic
- control of the external food probe
•- Food Probe Module expanded
- control of the external food probe
- additional relays (2 additional loads) -> e.g. applicable for steamer
•- Food Probe Module full
- control of the external food probe
- additional relays (3 additional loads) -> e.g. applicable for models combined with microwave
(*) NOTE : Depends on the type of appliance, refer to the wiring diagram specific.

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4.4 - OVC3000 BOARD FIXING SYSTEM
OVC3000 is fixed with spacers directly placed on the chassis of the oven.
Fig. 2
1 - OVC3000 POWER BOARD
2 - PLASTIC SPACERS
3 - ELASTIC HOOK FIXING SIDE PCB
4 - ELASTIC HOOK FIXING SIDE PLATE SUPPORT
4.5 - AUTO SWITCH OFF
If, for a certain period of time are not set command, the oven will shut off automatically as shown in the table
below:
SET TEMPERATURE RANGE
AUTO SWITCH OFF TIME-OUT
Less than 120 °C
After 12.5 hours
From 120 °C to 200 °C
After 8.5 hours
From 200 °C to 250 °C
After 5.5 hours
Higher of 250 °C
After 1.5 hours
Pyrolytic cleaning
After 4.5 hours

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5 - CONNECTIONS TO THE POWER BOARD
Fig. 3
5.1 - POSITIONS OF THE BOARD FUNCTION AND DETAILS ON APOLLO APPLICATION
Fig. 4
EARTH
CONNECTION
POWER SUPPLY
(L) 220V - 240V
APD RELAY
DOORLOCK
SYSTEM
HEATERS
SMALL
LOADS
ANALOG
INPUT
FPM
RELAY
FACTORY
PROGRAMMING
DIGITAL
IMPUTS
USER
INTERFACE
HOB
COMMUNICATION
SIDEKICK
FPM
COMMUNICATION
PT500
SENSOR
Power supply
User interface
open
Sidekick
Food probe
Electronic
(bus)
Processor
APD Relay
Earth
Power supply input L
Top - bottom heater,
hot air ventilator, ring heater,
steamer, actuator L
Ventilator, lamp L
Door lock
Relay Door lock
Ring heater N
open
Safety thermostat N
Bottom heater N
Top heater N
Triac for small load
Ventilator
N
Hot air ventilator N
open
Lamp N
Door lock
Programming connection
Steam NTC
Food probe Electronic (Relay)

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5.2 - POSITIONS OF CONNECTORS
Fig. 5
REFERENCE
DESCRIPTION
CONNECTOR
XC01
USER INTERFACE
WHITE
XC02
HOB COMMUNICATION
WHITE
XI01
DIGITAL IMPUTS (PIN 1 & 2 DOOR SWITCH, PIN 3 & 4
TELESCOPIC RUNNER SWITCH)
ON PCB
XP01
GROUND
FASTON
XP02
POWER SUPPLY (NEUTRAL)
FASTON
XP06
SIDEKLICK
ON PCB
XP07
POWER SUPPLY (PHASE)
FASTON
XR01
SMALL LOADS
WHITE
XR02
TOP/
FASTON
XR03
MAIN RELAY (IN)
FASTON
XR04
OPEN (*)
FASTON
XR05
RING HEATER
FASTON
XR06
MAIN RELAY KR01 (OUT)
FASTON
XR07
MAIN RELAY KR01 (OUT)
FASTON
XR08
MAIN RELAY KR01 (IN)
FASTON
XR09
DOORLOCK SYSTEM
BLACK
XR10
BOTTOM HEATER
FASTON
XR11
FPM RELAY
ON PCB
XT01
PT500 SENSOR
WHITE
XU01
FACTORY PROGRAMMING
ON PCB
XW01
ANALOG IMPUT (EXTERNAL NTC SENSOR)
ON PCB
XW02
FPM COMMUNICATION
ON PCB
(*) NOTE : Depends on the type of appliance, refer to the wiring diagram specific.

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5.3 - FUNCTION OF RELAY AND TRIAC
Fig. 6
REFERENCE
DESCRIPTION
COLOR
KR01
MAIN RELAY (IN XR03 & XR04, OUT XR05 & XR06)
BLACK
KR02
TOP / SMELL RELAY(XR02)
WHITE
KR03
GRILL RELAY (XR04)
WHITE
KR04
REAR RELAY (XR05)
WHITE
KR05
BOTTOM RELAY(XR10)
WHITE
KR06
DOOR LOCK RELAY (XR09 PIN 2)
BLACK
VR01
TRIAC (XR01 PIN 4) FOR COOLING FAN LOW SPEED
--
VR02
TRIAC (XR01 PIN 2) FOR HOT AIR FAN
--
VR03
TRIAC (XR01 PIN 3) FOR COOLING FAN HIGH SPEED
--
VR04
TRIAC (XR01 PIN 1) FOR OVEN LAMP
--

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6 - DIFFERENCES WITH PREVIOUS POWER BOARDS
The new power board OVC3000 with user interfaces and software can replace (at project level) different
electronic cards currently in use:
Fig. 7
Fig. 8
Fig. 9
NOTE: In the appliances where was applied the power board OVC2000 in order to cover all the functions it
was necessary to add an additional FPM board.
NOTE 1 : The replacement is possible only from the standpoint of new production, in service you can not
replace the old cards with the new.

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7 - USER INTERFACE USED
The power board OVC3000 can be controlled by different user interfaces summarized below (see Figure 10).
Fig. 10

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8 -OVEN TEMPERATURE SENSOR (PT500)
To control oven temperature, the OVC3000 system uses a temperature sensor mounted on a bracket which
is screwed onto the oven muffle.
A PT500 resistance-type platinum sensor provides the control board with the information that is required for
the following functions:
- Cycling the heating elements until they reach the desired temperature
- Shutting down heating elements in case of overheating or sensor malfunction
- Delaying cooling fan start-up and shutdown
- Recognizing relay malfunctions
The temperature sensor is hermetically sealed in a metal sheath, which must be connected to earth.
Fig. 11
1 - PT500 SENSOR
2 - MOUNTING BRACKET WITH
EARTH CONNECTION
3 - CONNECTING CABLE
8.1 - DIAGRAM TEMPERATURE / RESISTANCE SENSOR
Fig. 12
RESISTANCE 
TEMPERATURE °C

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9 -HIGH POWER LOADS
The high power loads are controlled by relay of the power board.
9.1 - TOP HEATER
9.1.1 - NORMAL TOP HEATER
Fig. 13
1 - TOP HEATER
2 - FIXING BRACKET
3 - EARTH ELECTRICAL CONNECTION
4 - TOP HEATER ELECTRICAL CONNECTION
9.1.2 - TOP HEATER WIT SMEL FILTER
Fig. 14
1 - TOP HEATER
2 - SMEL FILTER HEATER
3 - FIXING BRACKET
4 - EARTH ELECTRICAL CONNECTION
5 - FILTER HEATER ELECTRICAL CONNECTION
6 - TOP HEATER ELECTRICAL CONNECTION

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9.2 - BOTTOM HEATER
Fig. 15
1 - BOTTOM HEATER
2 - FIXING BRACKET
5 - ELECTRICAL CONNECTION
9.3 - RING HEATER
Fig. 16
1 - RING HEATER
2 - FIXING BRACKET
3 - ELECTRICAL CONNECTION

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9.4 - STEAM GENERATOR FOR STEAM OVEN
Fig. 17
1 - STEAM GENERATOR ASSEMBLY
2 - WATER LOAD PIPE
3 - HEATER GENERATOR
4 - HEATER ELECTRICAL CONNECTION
10 -LOW POWER LOADS
10.1 - OVEN LAMP
The oven light is done by one or two lights depending on the structure and the type of models.
10.1.1 - TOP LAMP
Fig. 18
1 - HOLDER LAMP
2 - GLASS COVER
3 - MOUNTING TABS
4 - ELECTRICAL CONNECTION

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10.1.2 - LATERAL LAMP
Fig. 19
1 - HOLDER LAMP
2 - EARTH ELECTRICAL CONNECTION
3 - LAMP ELECTRICAL CONNECTION
4 - GLASS COVER
10.2 - COOLING FAN
The cooling system of the oven is made by fans, single or double speed depending on the type of oven.
10.2.1 - COOLING FAN FOR NON PYRO OVENS
Fig. 20
1 - COOLING FAN MOTOR
2 - BRACKET MOTOR
3 - ELECTRICAL CONNECTION
4 - FAN

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10.2.2 - DUAL SPEED COOLING FAN FOR PYRO OVENS
The low speed is used during normal operation while the high speed during the pyro functions where there
are higher temperatures.
Fig. 21
1 - HOT AIR MOTOR
2 - BRACKET MOTOR
3 - ELECTRICAL CONNECTION PIN 2
4 - ELECTRICAL CONNECTION PIN 1
5 - ELECTRICAL CONNECTION PIN 3
6 - FAN
Fig. 22
(*) NOTE : THIS ONLY ON SOME MODELS
10.3 - HOT AIR FAN
Fig. 23
1 - HOT AIR MOTOR
2 - MOTOR SHAFT
3 - MOUNTING BRACKETS
4 - ELECTRICAL CONNECTION
THERMAL PROTECTOR (*)
HIGH SPEED
LOW SPEED