Dover markem-imaje SmartDate X40 - Printhead over Temperature (Fault 1502)

Troubleshooting Guide
SmartDate X40 BFSE Version 1.0 Feb 2011
180/286
Printhead Over Temperature (Fault 1502)
This fault is active when the temperature rises above 70°C and clears when the
temperature falls below 57°C.
Possible Cause Action Notes
1 Application
Ö
Monitor the Printhead
temperature in the diagnostics. If
the temperature falls check
application settings
Ö
High darkness values combined with a high
ambient temperature and a high pack rate can
cause high Printhead temperature
Application settings Page 102
2 Printhead
Ö
Check the Printhead resistance
is correctly set
Make sure the Printhead is not
faulty
Replace the Printhead.
Ö
The Printhead thermistor or the Printhead may be
damaged. Try replacing the Printhead
Replacing the Printhead Page 223
3 Printhead cable
Ö
Check the Printhead Cable for
damage and replace if required
Ö
Replacing the Printhead cable Page
226
4 Printer
Ö
Replace the Printer PCB or
replace the Printer
Ö
Replacing the Printer PCB Page 226
Repl
acing the Printer Refer to Users Manual
5 Controller
Ö
Replace the Controller PCB or
replace the Controller.
Ö
Replacing the Controller PCB Page
228
Repl
acing the Controller Refer to the Users
Manual
6 Interface cable
Ö
Check the condition of the
interface cable