Commissioning; Troubleshooting - Mareno NIW74TE Instrucciones Para Instalación, Uso Y Mantenimiento

12 COMMISSIONING

Following installation, conversion to a dif ferent type of gas or
any maintenance operations, check appliance operation. In the
event of any malfunction, consult the next Paragraph "Trouble-
shooting".
12.1 ELECTRICAL APPLIANCES
Switch on the appliance observing the following procedure :
• Remove any pans from the cooking zones.
• Ensure the cooking zones are switched off.
• Power-up the appliance by means of the main switch on the
appliance: the green indicator lights f ash once (after which
they must not switch on or f ash)
• Switch on and increase the cooking level of the zones: the
green indicator light for zones must f ash steadily, indicating
the absence of pans.
• Place a pan of water on each cooking zone: the green indica-
tor light remains steadily illuminated.
• Select the maximum power setting: after a few minutes the
fan switches on.
• Check the current values of each phase.

13 TROUBLESHOOTING

FAULT CAUSE
Insufficient Unsuitable pans
heating of
c o o k i n g
zone
Continuous Defective knob parts
heating of
cooking zone
at maximum
power
C o o k i n g Defective pot detection sen-
zone opera- sor
tes without
pan. Small
metal items
heat up
The applian- Fuses blown or interruption
ce does not of power supply
switch on
The fuses Generator short-circuit
blow when
the ap-
pliance is
switched on
The cooking Pan diameter smaller than
zone does 12cm
not heat
Defective generator
If the red and green indicator lights are off:
• Check the fuses.
• Power supply main switch disconnected.
• Insuff cient voltage or incorrect electric connection of the ap-
pliance.
If the red and green indicator lights work:
• Check and count the green indicator light f ashes. Each long
f ash is followed by a certain number of short
number is the code of the malfunction message detailed in
the following table:
ERROR
CORRECTIVE MEA-
SURE
Use suitable pans
Check/replace the
part
Replace the generator
Check connections
Replace the generator
Use suitable pans
Replace the generator
f ashes. This
MESSAGE
1 High voltage
2 No power at in-
ductor
3 Generator ove-
rheating
4 Cooking zone
temperature too
high or too low
5 Defective control
unit
6 Internal tempera-
ture too high
7 Cooking zone
temperature sen-
sor malfunction
8 Faulty power sup-
ply
10 Communication
error
11 Initialization error
12 Failure in mains
current
13 Power supply
connection error
14 Power supply
adaptor fault
CAUSE C O R R E C T I V E
MEASURE
U n s u i t a b l e Use suitable
pans, wrong pans, check the
or defective in- inductor
ductor
Faulty inductor Connect the in-
connection ductor properly
Air vents bloc- Check/clear
ked, fan not vents, clean the
working, f lter fan and check fan
clogged, faulty rotation, clean the
t e m p e r a t u r e f lter
sensor
Empty pan, de- Remove the pan,
fective tempe- switch off the ap-
rature sensor pliance and let
the cooking zone
cool down befo-
re switching on
again
Faulty connec- Check connec-
tion or defecti- tion. Check/repla-
ve knob parts ce the part
Air vents bloc- Check/clear
ked, fan not vents, clean the
working, f lter fan and check
clogged, faulty fan rotation, clean
t e m p e r a t u r e the f lter, remove
sensor, close the external heat
proximity to source
external heat
sources
Sensor short- Check/replace the
circuit part
Power supply Check the power
or synchroni- supply
zation failure
LIN or CAN- Disconnect from
Bus fault, power supply and
no connec- check connec-
tion between tions
keypad and
generator
Error during Wait approx. 30
initialization of seconds for the
hardware appliance to reset
Incorrect con- Connect the con-
trol unit con- trol unit to the cor-
nection rect attachment
Failure while Check the power
measuring the supply connection
mains current
Power supply Check the power
voltage too supply connection
high or too low
Power supply Check the power
voltage too supply connection
high or too low
the
the
21