Sec 2: 9-4 Basic Troubleshooting: Encryption Troubleshooting
9.5 Encryption Troubleshooting
Table 9-5 lists the possible causes of, and corrections for, encryption problems.
9.6 Option / Expansion Board Troubleshooting
Table 9-6 lists the possible causes of, and corrections for, Option / Expansion Board problems.
No/Low signaling
(PL, DPL, MDC)
1. Programming Check programming
2. VOCON Board Send radio to depot
Cannot Set Deviation
Balance
RF Board Send radio to depot
Table 9-5. Encryption Troubleshooting Chart
Symptom Possible Cause Corrective Action
No “KEYLOAD” on Radio Display When
Keyloading Cable is Attached to the Radio
Side Connector
1. Defective Keyload Cable Send radio to depot
2. Defective Radio
Keyloader Displays “FAIL” 1. Wrong Keyloader Type Use correct keyloader
type. Refer to Keyloader
User Guide for more
information
2. Bad Keyloader Try another keyloader
3. Defective Radio Send radio to depot
Table 9-6. Option/Expansion Board Troubleshooting Chart
Message Displayed Possible Cause Corrective Action
Hardware board absent Option / Expansion Board is not present on the
radio and feature is enabled by a code plug.
Send radio to depot
Hardware board mismatch When an option / expansion board feature is
enabled in code plug, but the board (EB or OB)
does not have corresponding capability.
Send radio to depot
Hardware board failed Displayed if the board Deenumerated,
Enumeration timed out, Option board device
initialized with a Fatal Error.
Reset the radio. If this
persists, send radio to the
depot
Update failed Please reset Option / Expansion board firmware update fails. Reset radio. if this
persists, send radio to the
depot
Table 9-4. Transmitter Troubleshooting Chart (Continued)
Symptom Possible Cause
Correction or Test (Measurements
Taken at Room Temperature)
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