Cornelius signature, Service Manual, Page: 9 / 54

Signature Service Manual
© 2011, IMI Cornelius Inc. - 5 - Publication Number: 621058426SER
Control Panel Display
The Status LEDs on the right side of the panel are used for diagnostics and trouble-
shooting of the unit.
Figure 1. Control Panel Display.
C
ONTROL
P
ANEL
B
UTTON
D
ESCRIPTIONS
The following section describes the information displayed for each control panel set-
ting and the interactions that are controlled by that setting.
The Signature control panel is a very simple design. It allows the operator to control
the unit with the push of a button. Troubleshooting information on the unit is available
from the three LEDs on the right side of the control panel.
The error conditions are described in Table 2 on page 9.
C
ONTROLS AND
I
NDICATORS
ON/OFF Button
The ON/OFF Button toggles access between the operational modes and the pro-
gramming/service modes. When the ON/OFF Button is pressed; the LED above the
ON/OFF Button turns on, and the unit can then be placed into any of the 3 opera-
tional modes (Freeze, Clean, or Refrigerate). When the ON/OFF Button is pressed
while the On/Off LED is on; the LED above the ON/OFF Button turns off and the unit
can then be placed into either the programming or service mode.
This button does not turn off power to the unit.
FREEZE Button
During normal operation, the FREEZE Button controls the refrigeration system of the unit.
When the FREEZE Button is On, the unit freezes the product barrel to the programmed
viscosity setting and maintains the hopper at less than or equal to 41
o
F (5
o
C).
Control Buttons & LEDs Status LEDs
(Green) (Red)
L1
L2
L3