Xerox 8500DN Service Manual - Page 74

Error Messages and Codes POST Error Reporting Blink Pattern Definition Table (Continued) 8400 Error Code PS, PE and Control Panel LEDs (for 8400) POST Error Type Description 8500/ 8550/8560 Error Code 15.04 15.05 15.06 15.07 15.08 15.09 15.10 15.11 16.01 16.02 16.03 16.04 17.01 18.01 18.02 18.03 18.04 19.01 Flutter then 15 blinks Hard CPU interrupt error, timer no assertion. 19.6 Flutter then 15 blinks Hard CPU interrupt error, spurious 19.7 assertion. Flutter then 15 blinks Hard CPU interrupt error, no assertion. 19.8 Flutter then 15 blinks Hard CPU interrupt error, spurious assertion. 19.11 Flutter then 15 blinks Hard CPU interrupt error, no assertion. 19.12 Flutter then 15 blinks Hard CPU interrupt error, spurious assertion. 19.13 Flutter then 15 blinks Hard CPU interrupt error, no assertion. Flutter then 15 blinks Hard CPU interrupt error, IRQ spurious assertion. Flutter only Soft Real time clock read failure. 11.1 Flutter only Soft Real-time clock write failure. 11.2 Flutter only Soft Real-time clock re-read failure. 11.3 Flutter only Soft Real-time clock does not tick. 11.4 Soft Trickle charge failure 11.5 Flutter then 17 blinks Hard Memory test, less than 128 MB of RAM 13.1 detected. This is the minimum RAM required. Add more RAM. Reseat the RAM, then replace the RAM. Flutter then 18 blinks Hard IPCB ID read failure. Flutter then 18 blinks Hard IPCB ID mismatch. Flutter then 18 blinks Hard IPCB PCI configuration failure. Flutter only Soft IPCB version mismatch. Flutter then 19 blinks Hard Check and reseat cables. Replace Hard Drive, if necessary. PEST Error Reporting PEST tests occur after POST tests have been run and PostScript has been initialized. PEST checks the connections and operation of various printer components. Error codes for PEST tests are displayed on the Control Panel and are all in the 37,XXX.xx series. For troubleshooting PEST error codes, "37,0XX.xx Errors - PEST Faults" on page 3-36. 3-6 Phaser 8400/8500/8550/8560 Color Printer Service Manual