Original
7a.9
May 01
KH 2020
Chap 7a
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
CD-2198
"NO AZIMUTH" ON DISPLAY
SUSPECT AZ/HL PCB IN THE
TUNING MECHANISM
OR WIRING CONNECTION
SUSPECT DISPLAY PCB/HL PCB
IN THE TURNING MECHANISM
FAILURE MESSAGE
IS THE ANTENNA
ROTATING?
IS THE
ANTENNA SAFETY
SWITCH SET TO ON?
SET THE
ANTENNA SAFETY
SWITCH TO ON
CHECK/REPLACE
MOTOR BRUSHES
OR REPLACE MOTOR
CHECK BELT (CAE-A12)
REPLACE IF BROKEN
& CHECK GEAR TRAIN
(CAE-A24-4)
CHECK MAINS INPUT
FROM DISPLAY OR
INTERSWITCH UNIT
CHECK FUSES/SUSPECT
POWER SUPPLY UNIT
IS THERE
POWER TO THE
ANTENNA TURNING
MOTOR?
IS
MOTOR TURNING?
PRE-REQUISITES
1. MAINS ISOLATOR ON
2. DISPLAY POWER ON
3. Tx TIMER ELAPSED
4. INSTALLATION DEFAULTS
CORRECTLY SET
5. SET TO RUN
IS POWER PRESENT
AT THE AZIMUTH PCB?
IS PSU NEON ON?
ARE THE
TRANSCEIVER
POWER SUPPLY OUTPUTS
PRESENT &
CORRECT?
Figure 9a - Antenna Fault Diagnosis (No Azimuth)
Summary of Contents for Kelvin Hughes Nucleus 3 5000 Series
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