Graco ProMix PD2K Repair Parts page 24

Troubleshooting
Communication Errors
NOTE: In some error codes listed below, a # symbol is shown as the last digit. This symbol represents the applicable
component number, which can vary. The unit's display will show the applicable number as the last digit in the
code. For example, the CAC# code listed in this table will be displayed as CAC1 if the affected component is
color change board 1, CAC2 for board 2, and so on.
Code Type
CA0X Alarm
CAC# Alarm
CADX Alarm
CAGX Alarm
CAG# Alarm
CDC# Alarm
CDDX Alarm
24
Description Problem
Comm. Error System does not detect
ADM the Advanced Display
Module (ADM).
Comm. Error System does not detect
Color Change the Color Change
# Module #.
Comm. Error System does not
Fluid Module see the Enhanced
Fluid Control Module
(EFCM).
Comm. Error System does not
Gateway detect a CGM that was
registered as being
connected at power
up.
Comm. Error System does not detect
Modbus a Modbus CGM that
Gateway was registered as
being connected at
power up.
Duplicate Color System detects two or
Change # more identical Color
Change Modules.
Duplicate Fluid System sees two
Module or more identical
Enhanced Fluid
Control Modules
EFCM).
Cause
This communication
error indicates that
the Network has lost
communication with
the Advanced Display
Module.
This communication
error indicates that
the network has lost
communication with
the Color Change
Module #.
This communication
error indicates that
the Network has lost
communication with
the EFCM.
The Modbus CGM
address dial was
changed while the
system was powered
up.
The Modbus CGM is
not connected/failed.
More than one Color
Change Module with
the same address
is connected in the
system .
More than one EFCM
is connected in the
system.
Solution
Check CAN cable
connecting ADM to the
EFCM.
Check CAN cable
connections to
the Color Change
Module # and any
interconnected
modules.
Check CAN cables
connecting ADM to the
EFCM. Replace Cable
or EFCM as necessary.
Unplug the Modbus
CGM from the CAN
network and re-plug
it back in so that it
re-registers with the
new address.
Check that the Modbus
CGM is properly
connected to the CAN
network and it's LEDs
indicate it is powered.
Check the system and
remove the extra color
change module.
Check the system
and remove the extra
EFCM.
332709D