HP CP6015dn Service Manual - Page 430

Table 7-4 Control-panel messages (continued) Control panel message Description Recommended action 66.12.02 Finisher board communication error Control panel diagnostics: none Occurs when the finisher's stacker controller 1. board has had a internal communication problem between the two processors on the board. Make sure that the finisher is properly grounded. ◦ Ensure that the finisher is latched and locked to the engine by tightening the thumbscrew inside the front door. ◦ Ensure that the grounding-frame assembly (the bar with the wheel located between the engine and the finisher) is in the down position with the wheel touching the floor and that the grounding plate is not damaged. NOTE: The grounding-frame assembly is in the up position when the finisher is shipped. It must be lowered when the finisher is installed. 2. Verify that the latest firmware updates are installed for the engine and finisher. 3. If the error persists, replace the stacker controller PCA. See Stacker controller PCA on page 737. 66.12.03 Finisher-control-board RAM error Control panel diagnostics: none The checksum for the finisher stacker 1. Make sure that the finisher is properly controller PCA has an error when the power grounded. is turned on. ◦ Ensure that the finisher is latched and locked to the engine by tightening the thumbscrew inside the front door ◦ Ensure that the grounding-frame assembly (the bar with the wheel located between the engine and the finisher) is in the down position with the wheel touching the floor and that the grounding plate is not damaged. NOTE: The grounding-frame assembly is in the up position when the finisher is shipped. It must be lowered when the finisher is installed. 2. Turn the engine power off and then on to try clearing this error. 3. If the error persists, replace the stacker controller PCA. See Stacker controller PCA on page 737. 388 Chapter 7 Solve problems ENWW