Motorola MTR3000 User Manual

1-14 Basic Troubleshooting
Transmitter Tx Alarm Major Yes Yes The Exciter PLL
has lost lock.
Local Dealer:
Replace Exciter FRU
Motorola Repair Depot:
Repair/recalibrate or
replace the Exciter FRU
Fan Alarm Minor Yes Yes The PA fan has
failed.
Local Dealer:
Replace PA fan
Motorola Repair Depot:
Replace the PA fan
Note: The PA and PS fans
should be replaced in
pairs.
Tx Power
Minor Alarm
Minor Yes No The PA output
power is
between 2 dB to
3 dB below the
set output power,
or the output
power is more
than 3 dB below
the set output
power with one
or more of the
following alarms
already
detected: Fan
Alarm, Temp
Alarm, PA
Voltage Minor
Alarm, PA
Voltage Major
Alarm, VSWR
Minor Alarm or
VSWR Major
Alarm.
When this alarm is
detected, check the
Diagnostic Repeater Log
to determine which failure
– “Tx Power Minor Alarm
(-2 dB)” or “Tx Power
Minor Alarm (-3 dB)” – has
occurred.
Table 1-7 MTR3000 Alarm Diagnosis Table (Continued)
Sub-system Alarm
Name
Alarm
Class
Diag.
View
Diag.
Repeater
Log
Diagnosis Probable Remedy

Motorola MTR3000 Specifications

General

Brand	Motorola
Model	MTR3000
Category	Accessories
Language	English