8. MAINTENANCE, TROUBLESHOOTING
8-13
8.6.4
Communication unit trouble (internal)
Communication unit trouble error messages
Error Message
Cause
Remedy
ALARM: ADE Non-carrier EIRP abnormality. (0139)
PCU detects EIRP trouble
during standby.
ALARM: ADE EIRP power too low. (0140)
HPA output at Tx is below
ratings.
ALARM: ADE EIRP power too high. (0141)
Output power too high at Tx.
ALARM: ADE EIRP burst too long. (0142)
PCU detects abnormal Tx
burst width.
ALARM: ADE RF abnormality - No TX power detected. (0143)
PCU cannot detect HPA
output power.
ALARM: ADE HPA deactivated during transmission. (0144)
HPA trouble
ALARM: TX Synthesizer unlock. (0145)
ALARM: RX Synthesizer unlock. (0146)
Unlock signal detected.
ALARM: Cross EL axis control error. (0147)
Cross EL axis control trouble
ALARM: Az axis control error. (0148)
AZ axis control trouble
ALARM: El axis control error. (0149)
EL axis control trouble
ALARM: 28V power abnormality. (0154)
+28 V not output.
ALARM: RF-CONV circuit abnormality, TX-RF level
insufficient.(0160)
RF CONV Board trouble,
TXRF level insufficient.
ALARM: RF-CONV circuit abnormality, TX-RF level too high.
(0161)
RF CONV Board trouble,
TXRF level too high
ALARM: RF-CONV circuit abnormality, Unexpected TX-RF level
detected. (0162)
RF CONV Board trouble,
TXRF level error detected
ALARM: AGC level abnormality. (0163)
AGC level error
ALARM: TX-RF circuit abnormality, TX power insufficient. (0164)
Output power at Tx
insufficient.
ALARM: TX-RF circuit abnormality, TX power too strong. (0165)
Output power at TX too high.
ALARM: TX circuit abnormality, unexpected TX power detected.
Please power off the FELCOM82!! (0166)
EIRP trouble detected for
period more than 3 sec. at
standby.
ALARM: Telephone Distress Box Cable abnormality. (0167)
Cable for telephone distress
button may be damaged or
disconnected.
ALARM: Telex Distress Alert Box Cable abnormality. (0168)
Cable for telex distress
button may be damaged or
disconnected.
ALARM: FAN FAILURE (0174)
Trouble with fan for power
supply
Contact your
dealer.
(Continued on next page)
Содержание Felcom 82
Страница 1: ...INMARSAT B MOBILE EARTH STATION FELCOM 82A Class 1 FELCOM 82B Class 2...
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