Operation Manual

THE INDUCTION HOB
Technical training
- 41 -
CU3-INDUCTION-003UK-10/05
DIAGNOSTIC
14.3. - Tests and measurements on IX3, IX3WR, IX4000 and IX6
Where the action on the board is not desired, the diagnostic will be limited to the defective element.
Any action on the circuit shall be carried out after eliminating the causes that may be due to saucepans
or to a bad installation.
To avoid damaging the electronic components, never touch the circuit with your fingers.
14.3.1. - The test keyboards
During a diagnostic, it is necessary to know whether it is the
control keyboard or the power board, which is defective.
However, you must not omit the filter board, which includes two
fuse pads and the power supply relay. Generations IX3 on the
one hand and IX3WR, IX4000, IX6 on the other hand do not
use the same encoding process. It is therefore advisable to be
provided with two different test keyboards.
• IX3 keyboard: 79X5460
• IX3WR, IX4000 and IX6 keyboards: 79X9920
This keyboard will enable all the keyboard of each range to be replaced.
In event of degradation with use, baseplates can be replaced:
• 6-point baseplate (IX3) : 79X5461
• 8-point baseplate (IX3WR, IX4000, IX6) : 79x9921
14.3.2. - The IX3 and IX3WR filter board
These two generations have a different control but use the same filter board.
This board includes:
• A direct output for the control power supply
• A relay for the power supply
• Two fuse pads
• The fan power supply (via the relay).
In event of problem with power supply,
it is advised to check:
• Whether 'fuse' pads are out of order
• Whether the power relay is controlled (12VDC)
• Whether the relay delivers 230VAC to the board.
• Whether the relay delivers 230VAC to the fan
Note: Fuse pads are also present on the IX6
and IX4000 boards.
CAUTION : It is necessary to reinstall the glass-ceramic top to conduct the tests.
N L L N
Power relay
285Ω relay
coil
Outputs
after relay
Ground
screw
Fuse
pads
Fan
connector