Fluke Biomedical 942A-200L-M4 - Manual (Page 64)

942A-200L-M4 & 942A-200L-M5 UDR
Operator Manual
4-4
HV Supply Adjustment
R5 adjusts the detector high voltage, and the HV test jack allows a 1000:1 voltage measurement to be
read. Refer to the appropriate detector calibration data sheet included with each detector for specific high
voltage settings.
4.3 Troubleshooting
WARNING
Extreme care must be used when troubleshooting a
system that has power applied. All standard
troubleshooting precautions apply.
WARNING
Once a problem has been located, remove all power
before continuing with the repair.
CAUTION
Personnel performing the troubleshooting/repair must be
qualified to ANSI 45.2.6, 1978, Skill Level II.
Personnel performing the following procedure must be
familiar with the operation of the monitoring system and
the location of each piece of equipment used in the
system.
If a problem develops, verify that the voltages at connection point inputs and outputs are present and that
all wiring is secure. Refer to Appendix B and C for drawings and parts lists. If a PROM requires
replacement, specify the board revision level when ordering the part.
NOTE
Improper set point entry can discontinue UDR operation.
This includes the alarm set point, underrange set point,
overrange set point, analog output low scale value, and
analog output high scale value.
For example, if the OVERRANGE alarm set point is
entered above the HIGH alarm set point, the UDR will
display error Message E0004.
If a problem cannot be resolved by using the drawings in
the Appendix while applying the troubleshooting
instructions found in this manual, please contact the
Fluke Biomedical Management's Power Systems
Department at (440) 248-9300 or (800) 850-4608 for
assistance.