Electrolux MAGISTAR OVEN 6-10-20GN, Service Manual, Page: 102 / 124

102
Anomaly Type of
anomaly Description Possible
causes Instructions to User Action for Service*
N°120
PUSr The User
parameters cal-
culated MD5 is
different to the
stored one. Invalid data on User
parameters. Reload parameters.
N°121
PFAC Stops
machine. Memorized
parameters
corrupted. Issue with the
SW or with the
HW. Parameters memory cor-
rupted; Try to switch the
oven Off/On.
If the problem persists,
call Service. Reload parameters.
N°111
rtc1 Warning:
HACCP
will not
function. The communi-
cation channel
between the
RTC and the
microcontroller
is malfunction-
ing or blocked. Communication impossi-
ble with internal clock.
Call Service. Replace UI.
N°306
SbbU
-
Boiler 1 burner
fan does not
reach set
(VTBU). Burner fan does
not reach
desired speed. Burner blower motor
overload due to dirt or
oxidation; Other electrical
/ mechanical issue.
N°305
SbCd
-
Cavity down
burner fan does
not reach set
(VTCD). Burner fan does
not reach
desired speed. Burner blower motor
overload due to dirt or
oxidation; Other electrical
/ mechanical issue.
N°304
SbCU
-
Cavity Up
burner fan does
not reach set
(VTCU). Burner fan does
not reach
desired speed. Burner blower motor
overload due to dirt or
oxidation; Other electrical
/ mechanical issue.
N°107
SCbL Stops
cleaning. Appliance is ON
but ON/OFF
switch feedback
still OFF. - Wiring-Con-
nection loose. Appliance is ON but ON/
OFF switch feedback still
OFF. Power fail feature
not possible. Cooking
still possible. Cleaning
blocked for safety reason.
Try to switch OFF/ON: if
the alarm persists, it is
still possible to operate
cooking, but it is recom-
mended not to start any
cleaning cycle until the
Service will have
resolved the issue. Clean
manually the oven and
call Service. Check feedback wiring from ON/
OFF switch board to UI board.
N°226
SLUS Stops
cycle (if
the boiler
is used in
the phase
in execu-
tion). Boiler water
level under
safety for more
than X min (SL). Ensure the
water supply
mains are fully
open and the
water filter has
no obstructions
(clean it if
needed). The
oven can con-
tinue to work in
Convection
mode unless the
water is missing
from the mains,
the oven can
continue to work
in recovery
mode. Water supply valve
closed or partly closed;
Temporary lack of water
supply pressure; Boiler
water level sensor fail-
ure; Boiler leakage: drain
valve or fracture. Open water supply.
Clean mesh filter on water hose.
Check X25 on ACU (see “Power
board (ACU)“ section in “Detailed
appliance and components
description/functioning“ chapter
of the proper Service manual).
Descale boiler.
For level Touch D.3
Level T, K
(TOUCH SCREEN) .
For level B (Digit) D.4 Level B, C
(DIGIT) .
N°117
tCMS Blocks
machine;
fatal error. TC software
version (inside
ACU board)
incompatible
with present UI
SW version. Wrong software
upload (exam-
ple: after
replacing ACU
board). TC software version
(inside ACU board)
incompatible with present
UI SW version.
Call Service. Reload software