Viper Service Manual
© 2008-2016, Cornelius Inc.
- 33 -
Publication Number: 621260373SER
Manual Diagnostic Menu
The Manual Diagnostic menu, shown in Figure 26., is used for troubleshooting and testing the system on a
component basis. It allows the service technician to turn individual components of the system on and off for
troubleshooting purposes. Pressing the BACK button returns the display to the Main menu and turns off all the
active loads.
This screen should only be used by qualified technicians to troubleshoot the system.
MANUAL
DIAG
12:51P
MAR 04
POS LIGHTING OFF
COMPRESSOR #1 OFF
BACK ON OFF
HOT GAS SOL #1 ON
PRODUCT SOL #1 OFF
CO2 VALVE #1 OFF
LLS VALVE #1 OFF
Figure 26. Manual Diagnostic Screen
The items shown in Table 23 are for the first barrel in the unit only. The list includes additional components with their
related barrel number, i.e. Hot Gas Sol #2, etc.
CAUTION
:
!
The compressor can suffer damage if it is allowed to run without either a hot gas defrost or liquid line solenoid open.
The software is designed to turn on the hot gas solenoid for a barrel to prevent damage from occurring.
To move between one set of barrel parameters to the next, press the Right or Left arrow keys. This moves the
highlight to the first entry of the second barrel, etc.
6
Run the barrel motor
Use the procedure in Table 21 to rinse the barrel.
7
Complete the proce-
dure
Repeat the Purge procedure in Table 19 to empty
the barrel.
Table 23.
Display
Description
POS LIGHTING
This selection turns the Point-Of-Sale lighting on and off
COMPRESSOR #1
This selection turns the compressor on and off
HOT GAS SOL #1
This selection opens and closes the hot gas solenoid for
barrel 1
PRODUCT SOL #1
This selection opens and closes the product solenoids and
valves for barrel 1
CO2 VALVE #1
This selection opens and closes the CO
2
solenoic and valve
for barrel 1
LLS VALVE #1
This selection opens and closes the Liquid Line solenoid
and valve for barrel 1
BRL MOTOR #1
This selection turns the barrel 1 motor on and off
Table 22.
Step
Action
Procedure