Powerwave Technologies 5JS0042 Linear Feed-Forward Power Amplifier User Manual Part 8
Powerwave Technologies Inc Linear Feed-Forward Power Amplifier Part 8
Contents
User Manual Part 8
Section TROUBLESHOOTING 6-1 INTRODUCTION This section contains a list of problems which users have encountered and a few suggested actions 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. SYMPTOM Any voltage indicators (green) are not lit or blinking High Temp alarm (red) is lit Over Pwr alarm (red) is lit VSWR alarm (red) is lit Low Pwr alarm (red) is lit Table 6-1. Troubleshooting. SUGGESTED ACTION 1. Check that subrack power connection is secure. 2. Check for proper power supply voltage. 3. Check circuit breakers on amplifiers. 4. Verify that amplifier is fully inserted into subrack. 1. Verify fan(s) are operating properly. 2. Check ambient temperature (not to exceed spec – see table 1-2). Verify RF input level does not exceed spec – see table 1-2. Check output connections and cables for integrity and tightness. Contact Powerwave field representative or factory. 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 (949) 809-1100 to obtain this number, or FAX your request to (949) 757-6676. 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 be used. The original packaging material is reusable. If it is not available, contact our Repair Department for packing materials and information. 044-05055 Rev. A 6-1
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