044-05236 Rev A
4-1
Chapter 4
Maintenance
4.1
Introduction
This chapter contains instructions for periodic maintenance, testing and troubleshooting for the G3L-
850-160 Multi-Carrier Power Amplifier (MCPA).
4.2
Periodic Maintenance
Periodic maintenance requirements for the MCPA are listed in Table 4-1.
4.3
MCPA Performance Tests
MCPA Performance tests are only performed at the factory. Refer to the troubleshooting instructions
in Section 4.4.
4.4
Troubleshooting
Perform the instructions in Table 4-2 in the case of an MCPA fault or alarm.
4.5
MCPA Removal and Replacement
Perform the instructions in Table 4-3 to remove and replace a MCPA.
NOTE
Check your sales order and equipment warranty before attempting to service or repair unit.
Do not break seals on equipment under warranty or the warranty will be null and void. Do
not return equipment for warranty or repair service until proper shipping instructions are
received from factory.
Table 4-1 Recommended Periodic Maintenance
Task
Interval
Action
Cleaning
3 Months
Inspect for debris especially around front panel vents. Remove
dust with a soft cloth/brush or vacuum cleaner
Performance tests
Optional
Perform testing in accordance with Paragraph 4.3.
Table 4-2 Troubleshooting
Step
Action
1
Check for proper DC supply voltage.
2
Set the OFF/ON/RESET switch momentarily to RESET (Up) position.
3
Contact your field representative or the factory if fault does not clear.
