
2-2. Error Code List................................................................................................................2-2
2-2-1. Main Code 14...........................................................................................................2-2
2-2-2. Main Code 26...........................................................................................................2-4
2-2-3. Main Code 96...........................................................................................................2-4
2-2-4. Main Code B3.......................................................................................................... 2-4
2-2-5. Main Code B8.......................................................................................................... 2-9
2-2-6. Main Code B9.......................................................................................................... 2-9
2-2-7. Main Code BB..........................................................................................................2-9
2-2-8. Main Code D1.........................................................................................................2-10
2-2-9. Main Code D2.........................................................................................................2-10
2-2-10. Main Code D3.........................................................................................................2-11
2-2-11. Main Code D4.........................................................................................................2-11
2-2-12. Main Code D5.........................................................................................................2-11
2-2-13. Main Code D6.........................................................................................................2-12
2-2-14. Main Code D7.........................................................................................................2-12
2-2-15. Main Code D8.........................................................................................................2-13
2-2-16. Main Code E1.........................................................................................................2-13
2-2-17. Main Code E4.........................................................................................................2-13
3. MAINTENANCE Menu
3-1. Overview of Maintenance Menu..............................................................................................3-1
3-1-1. Hierarchy of Maintenance Menu....................................................................................... 3-1
3-2. Displaying the Menu.......................................................................................................... 3-2
3-3. Maintenance Tab.............................................................................................................. 3-3
3-3-1. Version Menu...........................................................................................................3-3
3-3-2. Upgrade Menu..........................................................................................................3-3
3-3-3. Time Menu..............................................................................................................3-3
3-3-4. Warning Menu..........................................................................................................3-4
3-3-5. Log Menu...............................................................................................................3-5
3-3-6. License Menu...........................................................................................................3-6
3-3-7. Option Menu............................................................................................................3-6
3-3-8. Others Menu............................................................................................................3-6
3-4. SNMP Tab.....................................................................................................................3-8
3-4-1. SNMP Menu............................................................................................................3-8
4. Replacement of Main Parts
4-1. General Information for Parts Replacement.................................................................................. 4-1
4-1-1. Basic Knowledge.......................................................................................................4-1
4-1-2. Tightening Torque...................................................................................................... 4-2
4-2. Flow Chart.....................................................................................................................4-3
4-3. Removing/Assembling Cabinet...............................................................................................4-4
4-3-1. Top Cover...............................................................................................................4-4
4-3-2. Side Panel...............................................................................................................4-5
4-3-3. Front Panel Assembly.................................................................................................. 4-6
4-4. Switching Regulator...........................................................................................................4-7
4-5. Cooling Fan................................................................................................................... 4-8
4-5-1. Front Fan Assembly.................................................................................................... 4-8
4-5-2. Front Fan................................................................................................................4-9
4-5-3. Rear Fan Assembly....................................................................................................4-11
PWS-4500 2