Powerwave Technologies 5JS0045 Multicarrier PCS Power Amplifier User Manual Section 6

Powerwave Technologies Inc Multicarrier PCS Power Amplifier Section 6

User Manual Section 6

044-05077 Rev. A 6-1TROUBLESHOOTING6-1 INTRODUCTIONThis section contains a list of problems which users have encountered and a few suggestedactions that may correct the problem. If the suggested corrective action does not eliminate theproblem, please contact your Powerwave field representative or the factory for further instructions.NOTECheck your sales order and equipment warrantybefore attempting to service or repair the unit. Donot break the seals on equipment under warranty orthe warranty will be null and void. Do not returnequipment for warranty or repair service until propershipping instructions are received from the factory.6-2 TROUBLESHOOTINGRefer to table 6-1 for troubleshooting suggestions.Table 6-1. Troubleshooting.SYMPTOM SUGGESTED ACTIONAny voltage indicators (green)are not lit or blinking1. Check that subrack power connection is secure.2. Check for proper power supply voltage.3. Check fuses or circuit breakers on amplifier or subrack.4. Verify that amplifier is fully inserted into subrack.HIGH TEMP alarm (red) is lit 1. Verify fan(s) are operating properly.2. Check ambient temperature (not to exceed spec – seetable 1-2).OVER PWR alarm (red) is lit Verify RF input level does not exceed spec – see table 1-2.VSWR alarm (red) is lit Check output connections and cables for integrity andtightness.LOW PWR alarm (red) is lit Contact Powerwave field representative or factory.6-3 RETURN FOR SERVICE PROCEDURESWhen returning products to Powerwave, the following procedures will ensure optimum response.6-3.1 Obtaining an RMAA Return Material Authorization (RMA) number must be obtained prior to returningequipment 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 toobtain this RMA number may result in delays in receiving repair service.6-3.2 Repackaging for ShipmentTo ensure safe shipment of the amplifier, it is recommended that the package designedfor the amplifier be used. The original packaging material is reusable. If it is not available,contact our Repair Department for packing materials and information.Section6

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