User's Manual
044-05210 Rev. A 4-1
Chapter 4
Maintenance
4.1 Introduction
This chapter contains the periodic maintenance, troubleshooting and removal and replacement
instructions for the EHP19 Integrated Power Transceiver (IPT).
4.2 Periodic Maintenance
Recommended periodic maintenance requirements are listed in Table 4-1.
4.3 Troubleshooting
Perform the instructions in Table 4-2 if the IPT becomes inoperative.
4.4 Module Field Replacement
The IPT should be removed and replaced only by a qualified technician with experience maintaining
RF power amplifiers and similar equipment.
NOTE Check your sales order and equipment warranty before attempting any service or repair activity.
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. Refer to Paragraph
4.5.
Table 4-1 Recommended Periodic Maintenance
Task Interval Action
Inspection of cables and connectors 12 months Inspect signal and power connectors for frayed
insulation. Check RF connectors for tightness.
Cleaning As Required Clean as required depending on equipment operating
environment.
Table 4-2 Troubleshooting
Step Action
1 Press the IPT RESET button. Check to see if the fault clears.
2 Check for proper DC supply voltage.
3 Verify all RF connections are tight.
4 Verify that the MCPA does not have a major fault.
5 Contact your field representative or the factory if major fault does not clear.