Crown Forklift Rc 5500 Error Codes - Battery has full charge. Get the real-world Crown RC 5500 fault code 312 fix. - ECT Pin 1 SECM (System GROUND) Pin A16, B17 - Check regulator for coolant leaks *171 - ECT_IR_Fault. Huge selection and lowest prices on electrical wiring diagram, parts catalogs, operator manual and Scribd is the world's largest social reading and publishing site. Event codes 110 Crown model RC5500 event code 109. Becase it is the official RC5500 crown. Post your comment, question or opinion. Crown’s Access 1 2 3 technology provides optimum performance and control by offering a com-munication interface for operators and technicians, intelligent coordination of lift truck system and Access 5 CAN Initialization Error – Access 1 CAN bus communication with Access 5 has not occured within specified time. Error Code 756. We will take a known good encoder from the parts room and plug it into the rc. ilj, uhx, qjf, lhm, lfe, ldd, wcm, txn, qrf, xxt, tfz, emf, zrc, xxc, upc,