Graco 25D117, Operation

Page: 27 / 50

Troubleshooting
3A5354B 27
Troubleshooting
NOTE: Troubleshooting covered in this manual is spe-
cific to warm melt heat functions. Refer to the General
Industry Sypply Systems - Accessory Kits manual for
ram troubleshooting. Refer to the Check-Mate Pump
Packages in the Check-Mate Pump Packages Instruc-
tions-Parts manual for pump troubleshooting.
1. Follow the Pressure Relief Procedure on page 20
before disassembling any part of the warm melt
supply system.
2. Disconnect all power to the warm melt supply sys-
tem before repairing.
3. Check all possible problems and causes before dis-
assembling any part of the warm melt supply sys-
tem.
Error Codes
There are three types of errors that can occur. Errors
are indicated on the display as well as by the light tower.
Alarms are indicated by . This condition indicates a
parameter critical to the process has reached a level
requiring the system to stop. The alarm needs to be
addressed immediately.
Deviations are indicated by . This condition indicates
a parameter critical to the process has reached a level
requiring attention, but not significant enough to stop the
system at this time.
Advisories are indicated by . This condition indicates
a parameter that is not immediately critical to the pro-
cess. The advisory needs attention to prevent more seri-
ous issues in the future.
To acknowledge the error, press .
The third digit, or sometimes the last digit of the error
code, indicates which unit the error is active on. The “

”
(star) character indicates the code applies to multiple
system components.
The last digit of the error code indicates to which system
component the error applies. The “#” (pound) character
indicates the code applies to multiple system compo-
nents.
The last digit of the error code indicates to which heat
zone the error applies. The “_” (underscore) character
indicates the code applies to multiple system compo-
nents.
Third or Last Digit “

” Code Relates To:
A Unit A
Last Digit “#”
Code Relates To System
Component:
1 AMZ 1
X Daughter Board Unit A
Last Digit “_”
Code Relates To Heat
Zone:
1 Zone 1
2 Zone 2
3 Zone 3
4 Zone 4
5 Zone 5
6 Zone 6