• Code: 03-500
• Description: Use Auxiliary Access RAP The machine has detected that there is no credit in the foreign device.
• Remedy: 1. If there is credit in the foreign device, check the wiring between the foreign device and the foreign device interface PWB, PL 1.10 Item 15 2. Check the wiring between CN2 on the foreign device interface PWB and CN28 the Main PWB. If necessary, install a new foreign device interface harness, PL 1.10 Item 27. 3. If necessary, install a new foreign device interface PWB, PL 1.10 Item 15. 4. If necessary, install a new main PWB, PL 1.10 Item 1.

• Code: 03-600
• Description: Memory Failure RAP 03-600 The machine has detected a memory access failure
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Remove, then reinstall the memory DIMM, PL 1.10 Item 22. 3. Install new components as necessary: • Memory DIMM, PL 1.10 Item 22. • Main PWB, PL 1.10 Item 1.

• Code: 03-650
• Description: Ambient Temperature Sensor Fault RAP 03-650 The machine has detected a fault with the ambient temperature sensor.
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Check the wiring between the ambient temperature sensor, PL 1.10 Item 21 and CN26 on the Main PWB. 3. Install new components as necessary: • Ambient temperature sensor, PL 1.10 Item 21. • Main PWB, PL 1.10 Item 1.

• Code: 03-700
• Description: Check Fax Kit RAP 03-700 The machine has detected a fault with the fax module.
• Remedy: 1. Ensure the fax module, PL 1.10 Item 14 is correctly installed. 2. Install new components as necessary: • Fax PWB module, PL 1.10 Item 14. • Main PWB, PL 1.10 Item 1

• Code: 03-800
• Description: Check HDD 03-800 The machine has detected a fault with the hard disk drive (HDD).
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Check that the HDD PWB, PL 1.10 Item 17 is securely connected to CN20 on the Main PWB. 3. Check that the HDD ribbon cable, PL 1.10 Item 18 is securely connected to the HDD PWB and the HDD. 4. Install new components as necessary: • HDD harness, PL 1.10 Item 18. • HDD PWB, PL 1.10 Item 17. • HDD, PL 1.10 Item 11. • Main PWB, PL 1.10 Item 1.

• Code: 03-900
• Description: GUI to MCB Communications Fault RAP 03-900 A user interface to main PWB communications error has been detected
• Remedy: 1. Switch off the machine, then switch on the machine. 2. Check the wiring between CN2 on the Main PWB and CN7 on the UI PWB. 3. Install new components as necessary: • UI PWB, PL 2.10 Item 4. • Main PWB, PL 1.10 Item 1.

• Code: 03-910
• Description: MCB to NIC Communications Fault RAP 03-910 A main PWB to NIC PWB communications error has been detected.
• Remedy: NOTE: The NIC PWB has two LEDs positioned below the network connection. The upper LED on indicates that the NIC PWB is ready. The lower LED flashing indicates that the network is good. 1. Switch off the machine, then switch on the machine. 2. Make sure that the network cable is connected to the machine. 3. Make sure that the NIC PWB, PL 1.10 Item 13 is securely installed on to the main PWB. 4. Go to GP 4 System Administration Tools. Check with the customer that the connectivity and network setup settings are correct. 5. Install new components as necessary: • NIC PWB, PL 1.10 Item 13. • Main PWB, PL 1.10 Item 1.

• Code: 03-920
• Description: MCB to DADF Communications Fault RAP 03-920 A main PWB to DADF PWB communications error has been detected
• Remedy: NOTE: The main PWB has 4 test points, GND, +3.3V, +5V and +24V. The location of the test points is shown on the Main PWB PJ location illustration. Refer to Wiring Diagram 3, Wiring Diagram 9 and Wiring Diagram 11. Perform the following: 1. Switch off the machine, then switch on the machine. 2. Check the wiring between CN2 on the Main PWB and CN7 on the Scanner PWB. 3. Check the wiring between CN6 on the Scanner PWB and CN2 on the DADF PWB. 4. Install new components as necessary: • Scanner PWB, PL 14.10 Item 15. • DADF PWB, PL 5.20 Item 6. • Main PWB, PL 1.10 Item 1.