Operation - Section 32 OM3226 Page 32-22 Operator Cab and Controls 3. If there is an active fault after releasing the switch, there will be a short pause, followed by the first fault code. EXITING THE DIAGNOSTICS MODE Starting the engine or turning the key switch to the OFF position will exit the diagnostics fault flash mode. If active fault codes have been identified, refer to the Cummins Centry™ System Troubleshooting and Repair Manual, Bulletin No. 3666070, or contact an authorized repair location. 4. Pressing the lamp test switch to the bottom ( ) again will advance to the next fault code (if more than one code is present).
Once all the active fault codes have been displayed, the fault code display sequence will be repeated, starting from the first fault code.