FELCOM 82
H3-49
3.12.3 Communication unit trouble (internal)
Communication unit trouble error messages
Error Message Cause Defective parts
ALARM: ADE Non-carrier EIRP abnormality. (0139)
PCU detects EIRP
abnormality.
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.
HPA chassis
ALARM: ADE RF abnormality - No TX power detected. (0143)
PCU cannot detect HPA
output power.
HPA chassis
RF CON
ALARM: TX Synthesizer unlock. (0145)
ALARM: RX Synthesizer unlock. (0146)
Unlock signal detected. RF CON
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
PCU, Sensors,
motors,
belts
ALARM: 28V power abnormality. (0154) +28 V not output.
SW REG
ALARM: RF-CONV circuit abnormality, TX-RF level
insufficient.(0160)
RF CONV Board trouble,
Low TX level is found during
the Tx.
ALARM: RF-CONV circuit abnormality, Unexpected TX-RF level
detected. (0162)
RF CONV Board trouble,
High TX level is found when
not Tx.
CPU
RF CON
ALARM: TX-RF circuit abnormality, TX power insufficient. (0164)
EIRP is lower than one
specified by the LES.
ALARM: TX-RF circuit abnormality, TX power too strong. (0165)
EIRP is higher than one
specified by the LES.
HPA chassis
RF CON
CPU
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.
HPA chassis
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.
Cable
connection
ALARM: FAN FAILURE (0174)
Trouble with fan for power
supply
SW REG
(Continued on next page)
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