Identification:
Technical
Bulletin no:
Date:
Issuer:
Factory:
D02-D04-D05
CGX2004-04 (page 1 of 2), 1
st
ed.
25 May 2004
R. Sartor (DWS Customer Support)
DW Vallenoncello - Italy
Subject
Main Board Firmware 3.12 &
User Interface Firmware 3.03 in electronic DWs
Model
Whole Undercounter range (LS5-5WS-6E / WT4-4WS-30E), whole Hood Type
range (LS9-10EA-14EA / WT65E) and whole Pot&Pan Washer range (PW1M-
2M / WT830M-850M / WT830EA-850EA).
Action in
Factory
From serial number 42200001 we’ve introduced the firmware release 3.12 in
main boards and the firmware release 3.03 in user interfaces of:
North America Undercounter range (LS6AH / WT30H)
North America Hood Type range (LS14H / WT65H),
LS5WS / WT4WS (with water softener built-in)
WT38TDE (Undercounter Medical Line for UK)
with following additional features:
1. Setting in Fahrenheit degrees (°F) for North America models.
2. Six more wash/rinse cycles for resins to avoid salt residuals into boiler and
tank when inlet water pressure is lower than 1,5 bar for LS5WS / WT4WS.
Time can be changed only by PC (communication software).
3. Countdown for final pause of WT38TDE (Medical Line for UK).
4. Door lock driving for WT38TDE (Medical Line for UK).
The new firmware releases will be soon introduced also in all remaining
models in order to standardize main boards and user interfaces.
Action in
Field
New main boards 3.12 and new user interfaces 3.03 are perfectly
interchangeable towards previous ones according to tables below:
ELECTROLUX PROFESSIONAL SPA
MAILING ADDRESS TELEPHONE WEBSITE VAT NO.
VIA SEGALUZZA, 30
33170 PORDENONE - ITALY
++39 0434 380650 www.electrolux.com 00072220932
WHAT OLD SPLC code NEW SPLC code Default Configuration
LS5 / WT4 three-phase with pressure boiler
and without water softener built-in
0L0261
0L0541
Main board
(old 3.10 / new 3.12)
0L0046
0L0547
LS5 / WT4 single-phase with pressure boiler
OFFICE ADDRESS TELEFAX E-MAIL ADDRESS
VIA SEGALUZZA, 30
33170 PORDENONE - ITALY
++39 0434 380636 riccardo.sartor@electrolux.it
WHAT OLD SPLC code NEW SPLC code
049754
0L0548
049998
0L0549
0L0047
0L0552
0L0061
0L0550
0L0277
0L0553
User Interface
(old 3.02 / new 3.03)
0L0279
0L0538
Be aware that:
FOR ALL MODELS
1. New main boards 3.12 above have default configuration for LS5 / WT4 (as well as old main boards
3.10) because those models have no display so main board can’t be set by user interface.
If used in other models changing configuration parameters CFG and FAC is needed (see Service
Manual for more details).
FOR NORTH AMERICA MODELS
1. North America models (Undercounter and Hood Type) have setting in °F only if main board has
firmware 3.12
and user interface has firmware 3.03.
In case of machine upgrading on field you have to replace both main board and user interface.
New main boards 3.12 work properly with old user interfaces 3.02 (and vice versa old main boards
3.10 work properly with new user interfaces 3.03) but without setting in °F.
FOR ALL REMAINING MODELS
1. There are new user interfaces because they are part in common with North America models that
need new the feature above (setting in °F).
All old user interfaces 3.02 (see table above) can be used until clearance stock.
2. New main boards works 3.12 properly (adding new features above) with old user interfaces 3.02.
In case of machine upgrading on field you have to replace just the main board. You don’t need to
replace also the user interface.
All old main boards 3.10 (see table above) can be used until clearance stock in models not involved
in firmware change, that are:
• LS5 / WT4 (models with water softener excluded)
• LS6E / WT30E (WT38TDE excluded)
• LS9 / WT55
• LS10EA-14EA / WT65E
• PW1M-2M / WT830M-850M / WT830EA-850EA
3. To upgrade features, new main board 3.12 must be ordered for remaining models, that are:
• LS5WS / WT4WS
• WT38TDE.
The present modification/upgrade can be retrofitted and it is not mandatory.
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