LOCAL OPERATION
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Source-specific errors
Where it is necessary to identify the signal source causing an error, the error message number has
1000, 2000 or 3000 added to it for the A, B and C sources respectively. Thus error number 2500
indicates that the B source has tripped the reverse power protection circuit.
Table 3-2 Background errors (500−599) in priority order
− − − 591 ftl Main PROM faulty
590 ftl Main RAM faulty − − −
− − − − − −
− − − − − −
− − − − − −
500 dde RPP tripped ‡ 501 dde Fractional-N loop low ‡
502 dde Fractional-N loop high ‡ 503 dde Ext standard missing
504 dde External std frequency low 505 dde External std frequency high
506 dde VCXO loop low ‡ 507 dde VCXO loop high ‡
508 dde Amplitude mod unleveled ‡ 509 dde Output unleveled ‡
510 dde High power amplifier failed ‡ 511 dde ALC too high ‡
512 dde ALC too low ‡ 513 dde DSP not responding ‡
− − − − − −
− − − − − −
− − − 549 exe RF level uncalibrated ‡
550 exe RF level limited by AM ‡ 551 exe AM2 limited by AM1 ‡
552 exe FM2 limited by FM1 ‡ 553 exe ΦM2 limited by ΦM1 ‡
554 − − 555 − −
556 − − 557 exe Carrier limited by coupling ‡
558 exe Offset limited by harmonic 559 exe Offset limited by sub-harm
560 exe Harmonic limited by offset 561 exe Sub-harm limited by offset
(‡ = Source-specific)
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General