49
402s Ovens Part. N
o.
32Z3539 Issue 5
CODEKEY Reference ( See Table 1 for abbreviations description)
Version 3
Part No. 31Z7066 3.0LD 402s Large Display UK/EU (FO / EMD)
Part No. 31Z7068 3.0LD 402s Large Display French (FO / EMD)
Part No. 31Z7071 4.3LD 402s Large Display UK/EU (FO / SSR / EMD)
Part No. 31Z7072 4.3LD 402s Large Display French (FO / SSR / EMD)
Part No. 31Z7073 4.4LD 402s Large Display US/EU
(FO / SSR / EMD / NSS / NPM / NEPT / NEP)
For QSR restaurants
Version 2.5
Part No. 31Z7067 4.4SD 402s Small Display UK/EU (FO / EMD)
1.0 The 402s Control System
The control system of the 402s is based upon the following fundamentals:
Logic PCB:
Controls and monitors all aspects of the oven and stores all Firmware and Menu Data.
Firmware:
This is where all of the oven
operating instructions are
stored. It can be changed
by a CODEKEY
Menus:
This is where all of the
Information for menus is
stored. It can be changed
manually or by a MenuKey
LOGIC PCB
Relay PCB:
Driven by the Logic PCB the Relay PCB
controls all of the power around the oven.
Microswitches
Heater Elements
Magnetrons
Sensors
Convection Fan
Fibre Optic Expansion
Door Sensor
Solid State Relay
APPENDIX 6: Firmware revision guide.
As a result of on-going changes / upgrades to the 402s Oven, this Appendix has been produced
stating the following:
1.0 An overview of the control system for a 402s.
2.0 How to check your Firmware version
3.0 How to check your hardware fitted
4.0 CODEKEY firmware upgrade
5.0 MenuKey2 download
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