User's Manual

044-05454 Rev A 4-1
Chapter 4
Maintenance
Introduction
This chapter contains instructions for periodic maintenance, testing and troubleshooting for the G3L-850-180
Multi-Carrier Power Amplifier (MCPA).
Periodic Maintenance
Periodic maintenance requirements for the MCPA are listed in Table 4-1.
MCPA Performance Tests
MCPA Performance tests are only performed at the factory. Refer to the troubleshooting instructions below.
Troubleshooting
Perform the instructions in Table 4-2 in the case of an MCPA fault or alarm.
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 the
uni
t. Do not break the 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 the factory.
Table 4-1 Recommended Periodic Maintenance
Task Interval Action
Cleaning 3 Months Inspect for debris especially around front panel vents. Remove
du
st with a soft cloth/brush or vacuum cleaner
Performance tests Optional Perform testing in accordance with the information below.
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.
CAUTION: Do not slam the MCPA into the system during installation. Using excessive
force can damage the MCPA connector.