ELETTRODOMESTICI
VIA CHECCHI 98
I 21013 GALLARATE
ITALY
Page 22 of 28
Tuesday, June 18, 2002
BOSCH 700 SERIES:
SERVICE INSTRUCTIONS FOR OVEN TESTING AND BASIC TROUBLESHOOTING
The two tables below show the meaning of the lines belonging to the cables between the Power and the Auxiliary Board. They
represent a means to drive the working fan high speed and the Double Line Break (DLB) relays when requested (Canada).
CONNECTION CABLE BETWEEN POWER AND AUXILIARY BOARD – P3 (5POS)
PIN FUNCTION NOTES
1 UPPER RELAY ENABLE ACTVATES DLB RELAY [K3] AND ENABLE UPPER WORKING FAN HIGH SPEED.
2 NON USATO
3 GND GROUND VOLTAGE REFERENCE FOR RELAY DRIVING.
4 GND GROUND VOLTAGE REFERENCE FOR RELAY DRIVING.
5 LOWER RELAY ENABLE ACTVATES DLB RELAY [K4] AND ENABLE LOWER WORKING FAN HIGH SPEED.
CONNECTION CABLE BETWEEN POWER AND AUXILIARY BOARD – P1/PX1 (4POS)
PIN FUNCTION NOTES
1 GND GROUND VOLTAGE REFERENCE FOR RELAY DRIVING.
2 NOT USED
3 UPPER HIGH SPEED ACTIVATES UPPER WORKING FAN HIGH SPEED - K1 RELAY
4 LOWER HIGH SPEED ACTIVATES LOWER WORKING FAN HIGH SPEED - K2 RELAY
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