Bird Technologies 3128A - Manual (Page 28)

16
Table 1-3 Troubleshooting
PROBLEM CAUSE AREAS TO CHECK / CORRECTION
No meter indication No RF power Check RF source.
Arrow on plug-in
element pointing in
wrong direction Change position of element.
No pickup from DC
contact finger Adjust the contacts. See “Contact
Adjustment” on page 19.
Open or short circuit
in DC cable Replace defective DC meter cable (RG-
58/U). See “Meter Replacement” on
page 19.
Meter burned out or
damaged Return Wattcher, line section, and
elements to the factory for meter
replacement and calibration. See
“Preparation for Shipment” on page 15.
Intermittent or
inconsistent meter
readings Faulty transmission
line Inspect line. See “Inspection” on page 18.
Dirty DC contact on
elements Clean DC contacts. See “Cleaning” on
page 18.
Sticky or defective
meter Return Wattmeter line section, and
elements to the factory for meter
replacement and calibration. See
“Preparation for Shipment” on page 15.
Alarm Active LED
does not Illuminate No Line Power Check power source, restore
Fuses Opened Check fuses, replace if needed. See
“Fuse Replacement” on page 19.
Defective LED Replace LED
High VSWR or
reflected power Bad load or poor
connectors Replace load or connectors.
Shorted or open
transmission line Have line serviced. See “Line Section
Care” on page 18.
Foreign material in
the section or in RF
connector bodies Remove foreign material. See “Line
Section Care” on page 18.