I N S T A L L A T I O N A N D M A I N T E N A N C E M A N U A L
T s u n a m i
F A M I L Y
F A S T E T H E R N E T W I R E L E S S B R I D G E S
J U N E 1 9 9 9
SECTION 4: TROUBLESHOOTING
PAGE 4-9
4.6.5
RADIO FAIL Alarm
Function:
The RADIO FAIL alarm indicates a known problem with the radio hardware.
Possible Causes:
❖
Internal synthesizers are unlocked
❖
Internal digital circuits have failed
Recommended Actions:
1. Remove power from the unit.
2. Check to make sure power supply voltages are within specification.
3. Even if the voltages were within specification, reapply power to the unit.
4. If RADIO FAIL alarm clears, place the radio back into service.
5. If RADIO FAIL alarm does not clear, perform a back-to-back test to verify radio operation, as
described in Section 4.9.
6. If RADIO FAIL alarm is still active in a back-to-back test, return the radio to the factory for
repair (see Section 4.5).
Summary of Contents for Tsunami series
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