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Viper Installation, Service & Decommissioning Manual
© 2022, Marmon Foodservice Technologies Inc.
- 99 -
Publication Number: 620073146SER
In Step 1 in Table 86, disconnect electrical power from the unit. Failure to disconnect the power could result in serious
injury, death, or equipment damage.
Figure 82. View of Control Board in E-Box
Backward/Forward Compatibility with Older Software Versions
With version 3.0 software release several of the boards used to control the equipment will not be backward compatible
with boards containing version 2.x of the software. Please refer to the table below for compatibility.
The user interface (UI) board and the input/output (I/O) board must have same software version for correct operation. If
the UI board and the IO board do not have the same software versions an error will be displayed on the UI. The error dis-
played will depend upon which board has 2.x software and has 3.x.Either “X BRL TEMP OUT” will be displayed or “H20
OUT” will be displayed followed 30 seconds later with “X BRL TEMP OUT”. If either of these messages is displayed after
changing a control board check the software version. The current software version for each board can be found through the
menu screen. Select, MENU, UNIT DATA, then press the “VER” key. The control boards will also have a label marked with the
part number. A -100 suffix has been added to the part numbers for each of these boards to indicate version 3.0 software
release.
Table 86.
Step
Action
1
Disconnect power from the unit.
2
Connect a static strap to your wrist and any convenient chassis ground on the unit.
3
Unplug the eight (8) connectors from the control board.
4
Squeeze each of the mounting studs at the corners of the board while carefully lifting
the board.
5
Replace the board with a new board.
6
Reverse the procedure to install the new board.
Table 87.
Software Revision / Board Description
V2.x Part Number
V3.x Part Number
Backward Compatibility
User Interface - UI
620314871S
620314871-100S
No
Input/Output - IO
620314869S
620314869-100S
No
Motor Control
620314868S
620314868S
Yes
Status
620314874S
620314874S
Yes
Language Chips
629096930XX
629096931XX
No
!
WARNING:
Mounting
Studs
Содержание R-454C
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