Chapter 4 Maintenance
4.2Periodic Maintenance
Check the following items periodically (once every six month is recommended). Also check these items when the surrounding condition or environment is changed.
Item | Inspection Description | Action |
Power supply related | Power supply voltage | AC85 - 132VAC/170 - |
| (measure at the power supply | 264VAC |
| terminal of the module) |
|
| Check for loose power supply | Must be secure |
| terminal screws |
|
| Check for damaged cables | Must not be damaged |
Installation | Check that the base unit is | Must not be loose |
| securely in place |
|
| Check that each module is | Must not be loose |
| securely in place |
|
| Check for loose connector in | Must not be loose or |
| front of the module and | damaged |
| damaged cables |
|
I/O module related | Measure voltage of each I/O | Must be within specification |
| terminal |
|
| Check the input status LED | Must turn ON normally |
| Check the output status LED | Must turn ON normally |
| Check that the I/O terminal is | Must not be loose |
| secure |
|
| Check that the terminal | Must not be loose or touching |
| screws are secure and not | each other |
| touching each other |
|
| Check for damaged cables | Must not be damaged |
Environment | Check the temperature, | Must be within installation |
| humidity, vibration, and dust | environment specification |
Battery related | C2 | Should be replaced after 10 |
|
| years by C2 overhaul |
| PS694 battery | Should be replaced |
|
| after 3 years |
|
| after 1 year |
| Other battery | Should be replaced after two |
|
| years |
| Check that the battery | Must be secure |
| connector is connected |
|
| securely |
|
WARNING
•Do not attempt to disassemble, modify, or repair. This can cause electrocution, fire, or injury. Contact the Toshiba service desk for repair.
32 | Computer module C2PU37 User’s Manual |
