User's Manual

NTUM30DA Installation & Service Manual
Section 6 Troubleshooting
6-1 Introduction
This section contains a list of problems and a few suggested actions that may correct the prob-
lem. 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 re-
pair 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
MCPA Inoperative Check for proper power supply voltage.
MCPA Not Enabled Verify HPA-Allow-Enable line is high.
Alarm Output is (RS 422) High Verify input RF is within specified power and frequency limits
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] or (714) 466-
1000 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 be used. The original packaging material is reusable. If it is not available, contact
Powerwave’s Customer Service Department for packing materials and information.
 Copyright Powerwave Technologies, Inc., June 2003. All rights reserved
044-05141 Rev. A 6-1 June 2003