User Manual

RF Front End System Integration Manual
044-05082 Rev. A
6-1
March 2001
Section 6 Troubleshooting
6-1 Introduction
This section contains a list of problems which users have encountered and a few suggested ac-
tions that may correct the problem. If the suggested corrective action does not eliminate the
problem, please contact your Powerwave field representative or the factory for further instructions.
Note
Check your sales order and equipment warranty before attempting to service or repair
the unit. 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.
6-2 Troubleshooting
Refer to table 6-1 for troubleshooting suggestions.
Table 6-1 Troubleshooting
Symptom Suggested Action
The voltage indicator (green)
is not lit or blinking
1. Check that the MHU-MHUI power connectors are secure.
2. Check for proper power supply voltage.
High Temp alarm LED is lit
1. Verify fan(s) are operating properly.
2. Check ambient temperature (not to exceed spec. See
table 1-1).
Over Pwr alarm LED is lit Verify RF input level does not exceed spec. See table 1-1.
VSWR alarm LED is lit
Check output connections and cables for integrity and
tightness.
6-3 Return For Service Procedures
When returning products to Powerwave, the following procedures will ensure optimum response.
6-3.1 Obtaining an RMA
A Return Material Authorization (RMA) number must be obtained prior to returning equipment to
the factory for service. Please contact our Repair Department at [phone] to obtain this
number, or FAX your request to [phone]. Failure to obtain this RMA number may result in
delays in receiving repair service.
6-3.2 Repackaging for Shipment
To ensure safe shipment of the amplifier, it is recommended that the package designed for the
amplifier is used. The original packaging material is reusable. If it is not available, contact our
Repair Department for packing materials and information.