Specifications

5/2/2013 888-2500-001 6-1
WARNING: Disconnect primary power prior to servicing.
DAX-1/DAX-3
Section 6
Troubleshooting
6
6.1 Introduction
This section is to be used by the service technician to go beyond the steps provided in
the Emergency Operation section (in Chapter 3) to troubleshoot a DAX malfunction.
Use this along with the provided schematic package for detailed circuit understanding
and diagnosis.
NOTE:
Before preceding, see "3.4 Emergency Operation" on page 3-9 for initial steps in
restoring a DAX transmitter to operational status in the event of a fault condition.
!
WARNING:
DISCONNECT PRIMARY POWER PRIOR TO SERVICING THE DAX TRANSMITTER.
HIGH VOLTAGE IS PRESENT EVEN WHEN MAIN CIRCUIT BREAKER CB1 IS
TURNED OFF.
!
CAUTION:
DO NOT DISCONNECT, RECONNECT, REMOVE, OR ALTER ANY PC
BOARDS WITH AC MAINS POWER CONNECTED TO DAX TRANSMITTER.
!
CAUTION:
DO NOT OPERATE DAX TRANSMITTER WITH DOORS, SHIELDS OR PANELS
REMOVED.
6.2 Diagnostics
A wealth of information is obtainable via the front panel, individual board indications
and VT100 parameters to help discern the cause of a failure within the DAX transmitter.