IBM 6500-V10 Maintenance Manual - Page 67

Display Messages Operator Panel Message 060 PRINTER HOT SEE USERS MANUAL (continued) 062 MACHINE CHECK SEE USERS MANUAL Table 3. Message List Explanation Corrective Action Sensors cannot detect current in the fan circuit. 12. If you encounter the failure after replacing the controller board, reinstall the original controller board and contact your DDS and Second Level Support. 1. Cycle power. If the message appears, press STOP. 2. If the message occurs on a pedestal model, check that the correct operator panel is installed. The operator panel for a pedestal model has resistors R18 and R19 next to the operator panel cable connector. 3. Check that the exhaust fan is connected to exhaust fan cable connector J307 and verify that the connector is not installed backwards. 4. Power off and unplug the printer. Remove the paper guide assembly. Disconnect connector P107 from the controller board. Test connector P107/EHF for shorts or opens. (Refer to the Main Wire Harness Test Tables in Chapter 3.) Replace components that fail test. 5. Make sure connector P107/EHF has a good connection at J107 on the controller board. 6. Inspect for obstructions of airways and vents. Check for items beneath the printer blocking cabinet vents. Make sure cabinet exhaust fan vents are not blocked. 7. Plug in the printer and power it on. Check for fan operation. If the message appears or the fan doesn't work, replace the exhaust fan. 8. Power on the printer. If the problem reappears, the controller board or microcode is suspect. Do the following: 9. Save the printer configuration values. (Refer to the User's Manual.) 10. Clear NVRAM (page 237). 11. Download and install the latest code from IBM First (page 231). 67