ARMA-C125-CRM
43
9.7
T
EMPERATURE
F
AULT
D
IAGNOSIS
Refer to
Section 8.1
at page 38 for alarm conditions.
1.
Verify ambient temperature.
2.
Verify air exhaust and intake obstruction.
3.
Verify fan operation. Refer to
Section
9.11
at page 44 for replacement.
9.8
L
OW
O
UTPUT
P
OWER
F
AULT
D
IAGNOSIS
1.
Verify RF input level.
2.
Verify attenuation setting on front panel.
3.
Verify input power.
9.9
H
IGH
R
EFLECTED
P
OWER
F
AULT
D
IAGNOSIS
1.
Verify waveguide integrity and mounting at the amplifier output flange.
2.
Verify waveguide leading to antenna.
9.10
R
EPLACEMENT OF
F
ANS
(
EACH UNIT
)
The front panel fan may be replaced by opening the plate on the bottom of the unit and moving it
downwards; disconnect the electrical connection and replace with a new fan.
The rear fan may be accessed by removing the rear panel of the unit; disconnect the electrical
connection and replace with a new fan.
