Troubleshooting
The following table contains troubleshooting information for problems which can occur during normal operation. Locate
the problem, review the possible cause, and perform the corrective action listed.
Only those functions within the scope of normal maintenance are listed. This manual cannot list all malfunctions that may
occur, or all corrective actions. If a malfunction is not listed or not corrected by the listed corrective actions, notify a
qualified service center.
PROBLEM
CAUSE
AREAS TO CHECK / CORRECTION
No meter indi-
cation
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
Open or short
circuit in dc cable
Replace defective dc meter cable (RG-58/U)
Meter burned out
or damaged
Return Wattcher, line section, and elements
to the factory for meter replacement and
calibration.
Intermittent or
inconsistent me-
ter readings
Faulty transmission
line
Inspect line
Dirty dc contact on
elements
Clean dc contacts
Sticky or defective
meter
Return Wattmeter line section, and
elements to the factory for meter
replacement and calibration.
Alarm Active
LED does not
Illuminate
No Line Power
Check power source, restore
Fuses Opened
Check fuses, replace if needed
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.
Foreign material in
the section or in
RF connector
bodies
Remove foreign material.
Table 1
Troubleshooting
Bird Models 3126A, 3127A, 3128A
Wattcher RF Monitor/Alarm
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