Electrolux WTCS90ERB User manual

DOC. NO. 5956.573.05 P. 1 / 88
Electrolux
EFS - Dishwashing Systems Platform
Electrolux Professional
SERVICE MANUAL
MODULAR AND COMPACT
RACK-TYPE DISHWASHERS
CONTENTS: This document contains all the parameters and information for programming the electronic boards.
EDITION: 12.2013
Valid for firmware versions
• 1.71 COMPACT SHORT
•1.80MODULAR
WARNING:
All the safety regulations and procedures to be followed by the Specialised Technician/Technical Assis-
tance performing electrical, mechanical or electronic maintenance operations are contained in the instruc-
tion manual supplied with the machine: refer to this document before operating. This applies for anyone
carrying out operations using these documents. The specialised technician must wear personal protec-
tion equipment suitable for the work being performed (e.g. gloves, safety glasses and shoes, suitable
clothing, etc.) and use appropriate tools, equipment and auxiliary means.
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Electrolux
EFS - Dishwashing Systems Platform
Electrolux Professional
DOC. NO. 5956.573.05 P. 2 / 88
INDEX
A FUNCTION KEYS............................................................................................. Pag.4
A1 DISPLAY OF AUXILIARY VALUES ................................................................................. Pag.4
A1.1 MODULAR MACHINES....................................................................................... Pag.4
A1.2 COMPACT MACHINES ...................................................................................... Pag.5
A2 ACCESSING THE USER MENU AND SERVICE MENU ................................................ Pag.6
A3 USER MENU ................................................................................................................... Pag.7
A3.1 EXIT .................................................................................................................... Pag.7
A3.2 DATA SETTING (FOR MODULAR RACK TYPES ONLY) ................................... Pag.7
A3.3 CONSUMPTION ................................................................................................. Pag.8
A3.3.1 MODULAR RACK TYPES ................................................................ Pag.8
A3.3.2 COMPACT SHORT RACK TYPES ................................................... Pag.8
A4 SERVICE MENU ............................................................................................................. Pag.9
A4.1 PARAMETERS .................................................................................................... Pag.10
A4.1.1 USER SETTINGS (ONLY FOR MODULAR RACK TYPE)................ Pag.10
A4.1.2 GENERIC FUNC............................................................................... Pag.11
A4.1.3 RINSE MODULE............................................................................... Pag.19
A4.1.4 WASH MODULE ............................................................................... Pag.20
A4.1.5 PREWASH MODULE........................................................................ Pag.22
A4.1.6 DT MODULE ..................................................................................... Pag.24
A4.1.7 HACCP.............................................................................................. Pag.27
A4.1.8 RATING PLATE (ONLY FOR MODULAR RACK TYPE) ................... Pag.27
A4.2 DATALOG (ONLY FOR MODULAR RACK TYPE)............................................... Pag.29
A4.3 INFO.................................................................................................................... Pag.33
A4.4 STATISTICS (ONLY FOR MODULAR RACK TYPE) ........................................... Pag.33
A4.5 RINSE CONTROL ( JUST FOR ATMOSPHERIC RACK TYPE )........................ Pag.34
A4.6 KEY MANAGEMENT ( JUST FOR MODULAR RACK TYPE ) ........................... Pag.35
A4.7 SENSOR ADJUSTMENT .................................................................................... Pag.36
A4.8 MOTOR ADJUSTMENT ...................................................................................... Pag.37
B PROGRAMMING SHEETS............................................................................... Pag.39
B1 SPECIFIC FUNCTIONS ...................................................................................... Pag.59
B1.1 SETTING UNIT OF MEASURE IN FAHRENHEIT .............................................. Pag.59
B1.2 LANGUAGE SETTING ........................................................................................ Pag.59
B1.3 “MAX. MOTOR CURR.” PARAMETER (  ) SETTING................................... Pag.59
B1.4 MAX. TANK TEMPERATURE PARAMETER SETTING IN PREWASH FAMILY . Pag.59
C CONNECTORS LAYOUT.................................................................................. Pag.60
C1 POWER BOARDS CONNECTORS LAYOUT.................................................................. Pag.60
C2 MULTICONNECTOR BOARDS CONNECTORS LAYOUT.............................................. Pag.64
C3 CONNECTORS LAYOUT LEGEND................................................................................. Pag.69
C4 END LIMIT SWITCH, ENERGY PEAK CONTROL AND EMERGENCY SWITCH
CONNECTIONS Pag.69
C4.1 MODULAR .......................................................................................................... Pag.69
C4.1.1 END LIMIT SWITCH CONNECTION ................................................ Pag.69
C4.1.2 EMERGENCY SWITCH CONNECTION........................................... Pag.69
C4.1.3 ENERGY PEAK CONTROL CONNECTION..................................... Pag.70
C4.2 COMPACT SHORT.............................................................................................. Pag.70

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Electrolux
EFS - Dishwashing Systems Platform
Electrolux Professional
D INVERTER FUNCTIONALITY .......................................................................... Pag.71
D1 MACHINE WITH INVERTER ALTIVAR 11....................................................................... Pag.71
D1.1 INVERTER PROGRAMMING ............................................................................. Pag.71
D1.1.1 BUTTONS AND DISPLAY FUNCTIONS........................................... Pag.71
D1.1.2 INVERTER CONTROL TERMINAL ELECTRICAL CONNECTIONS Pag.72
D1.1.3 INVERTER PARAMETER LISTS ...................................................... Pag.72
D2 MACHINE WITH INVERTER ALTIVAR 12..................................................................... Pag.74
D2.1 INVERTER PROGRAMMING ............................................................................. Pag.74
D2.1.1 FUNCTIONS OF THE DISPLAY AND KEYS .................................... Pag.74
D2.1.2 INVERTER CONTROL TERMINAL ELECTRICAL CONNECTIONS Pag.75
D2.1.3 INVERTER PARAMETER LISTS ...................................................... Pag.75
E WARNING MESSAGES AND TROUBLESHOOTING ..................................... Pag.78
F MODULE COMPOSITION FOR RACK TYPE.................................................. Pag.82
G FLOWCHARTS FOR TROUBLESHOOTING................................................... Pag.83
INDEX OF FIGURES AND TABLES
Figure 1 Menu access keys.............................................................................................................. Pag.4
Figure 2 Accessing current, temperatures and levels display mode ................................................ Pag.4
Figure 3 Accessing the USER MENU .............................................................................................. Pag.6
Figure 4 Accessing the SERVICE MENU ........................................................................................ Pag.6
Figure 5 Parameter and function access menu chart for Modular Rack Type.................................. Pag.6
Figure 6 Parameter and function access menu chart for Compact Short Rack Type....................... Pag.6
Figure 7 Scheme for “Heat two comm.” parameter and “Heating manage” parameter (only for
Modular Rack Type) ........................................................................................................... Pag.14
Figure 8 Scheme for “H2C” parameter and “b_t” parameter (only for Compact Rack Type) ............ Pag.14
Figure 9 Electrical connection .......................................................................................................... Pag.69
Figure 10 Detail of electrical connection ............................................................................................ Pag.69
Figure 11 ENERGY PEAK CONTROL CONNECTION...................................................................... Pag.70
Figure 12 COMPACT SHORT CONNECTIONS................................................................................. Pag.70
Figure 13 COMPACT RT Inverter electrical connection ..................................................................... Pag.72
Figure 14 MODULAR RT Inverter electrical connection..................................................................... Pag.72
Figure 15 COMPACT RT Inverter electrical connection ..................................................................... Pag.75
Figure 16 MODULAR RT Inverter electrical connection..................................................................... Pag.75
Table 1 Work stages/Boiler set point ..............................................................................................Pag.20
Table 2 Machine codes list and relative programming sheets ........................................................ Pag.40

Electrolux
EFS - Dishwashing Systems Platform
Electrolux Professional
DOC. NO. 5956.573.05 P. 4 / 88
A FUNCTION KEYS
BUTTONS USED
Figure 1 Menu access keys
A1 DISPLAY OF AUXILIARY VALUES
From the normal machine operation mode it is possible to see several screens not accessible to the user.
These screens give various machine values, and are accessed by pressing at the same time the combinations
of buttons displayed. (Figure 2).
A1.1 MODULAR MACHINES
Press the Speed1 - “E” (Figure 1) - and Increase buttons - “A” (Figure 1) - at the same time for a few seconds
to access the screen displaying the levels of the various tanks and airgap.
Figure 2 Accessing current, temperatures and levels display mode
ABCD
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E
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Prewash 200 mmH2O
Wash 195 mmH2O
Airgap 60 mmH2O
DUO 55 mmH2O

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Electrolux
EFS - Dishwashing Systems Platform
Electrolux Professional
Press the Increase button - “A” (Figure 1) - to access the screen giving the current absorbed by the gear
motor.
To return to the standard display, wait 30 seconds or press the Confirm button - “C” (Figure 1) -.
A1.2 COMPACT MACHINES
Press the Speed1 button - “E” (Figure 1) - and Accessory Functions button - ”D” (Figure 1) - at the same time
for a few seconds to access the first screen; press the Increase button - “A” (Figure 1) - to access the subse-
quent screens. The following screens are displayed ( in order) :
To return to the standard display, wait 30 seconds or press the Confirm button - “C” (Figure 1) -.
DT temperature
(significant only
for machines with DT)
Air Gap level
(significant only for
atmospheric machines)
Wash tank level Prewash tank level
(significant only for
machines with prewash)
Gear motor current
Mot. Curr. 35 decA
Adt
tmp
68
1
AIG
LE
60
2tAn
LE
198
3sCp
LE
204
4
Mot
Cur
34
5