Operation Manual

THE INDUCTION HOB
Technical training
- 28 -
CU3-INDUCTION-003UK-10/05
IX1 AND IX2
9 - THE IX1 AND IX2 HOBS
9.1. - Description
9.2. - Fault codes
To keyboard
Fan
Assembly
Filter +
power board
and
control board
Tangential fan
Filter board with
‘very rapid’ fuse
Power board
Control board
To keyboard
T°C NTC < 3°C Room too cold
Front source : Pb of
shorted NTC (F1) or
open circuit (F2)
Rear source : Pb of
shorted NTC (F3) or
open circuit (F4)
Check the assembly,
connection and ohmic
value of the NTC.
Check of transistors:
Pb of shorted NTC
(F5) or open circuit
(F6)
Replace the board as
NTC's and transistors
are interdependent
Electronics T°C >
75°C
Check the installation
Check the ventilation.
Inversion of front and
rear NTC's
Error in temperature
measurement
Replace the board
The NTC does nor
detect T°C rise > 5°C
Display after 2 min
during MAXI selection
on one of the sources.
Overheating and
electronics putting
into safety.
Check the installation
Check the ventilation.
Discrepancy detected
by the Rear NTC
Room T°C < 5°C
Check the assembly,
connection and ohmic
value of the NTC.
Discrepancy detected
by the Front NTC
Room T°C < 5°C
Check the assembly,
connection and ohmic
value of the NTC.
IX2 : The second generation appeared in 92
and has been manufactured until 95. The
ventilation was reviewed, 'filter' and 'power'
boards have been associated.
IX1 : This first generation has been
manufactured between 90 and 91. It is
composed of four boards.