HP C7769B Service Manual - Page 34

System Error Codes System Error: 01:13 Problem Description: Electronics Module failure. The possible cause could be: 1. One of the ASIC's in the Electronics Module is reporting that it is too hot. 2. The interruptions from the Scan-Axis servo or from the PaperAxis servo are not coming as regularly as they are expected or are coming too late. Corrective Action: Try the following: n Switch the Printer Off and wait a few minutes. Switch the Printer On again and check if the Error Code has disappeared. n If the Error Code continues, replace the Electronics Module ⇒ Page 8-24. System Error: 02:10 Problem Description: Carriage failure. The possible cause could be: 1. The Carriage PCA is not compatible with the rest of the Printer. 2. The Carriage ASIC has problems initializing. 3. The +2.5V reference voltage generated in the Carriage PCA is out of range. 4. One of the Carriage ASIC's cannot be found within the Serial Bus that connects the Electronics Module to the Carriage. 5. One of the Carriage ASIC's did not respond to the Serial Bus that connects the Electronics Module to the Carriage Assembly. Corrective Action: Replace the Carriage Assembly ⇒ Page 8-78. System Error: 02:13 Problem Description: Carriage failure. The possible cause could be: 1. One of the ASIC's in the Carriage is reporting that it is too hot. Corrective Action: Try the following: n Switch the Printer Off and wait a few minutes. Switch the Printer On again and check if the Error Code has disappeared. n If the Error Code continues, replace the Carriage Assembly ⇒ Page 8-78. 2-8 HP DesignJets 500 and 800 Series Printers Service Manual