ADB Safegate L-854, User Manual

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8.0 Troubleshooting
WARNING
• • Allow only qualified personnel to perform the following tasks. Observe and follow the safety
instructions in this document and all other related documentation.
• • Make sure power to the L-854 has been disconnected before attempting to service the Radio
Control Equipment.
Failure to follow these warnings may result in serious injury or equipment damage.
Refer to Table 11 , Table 12 and Table 13 . This section provides troubleshooting information for the L-854 Radio Control
Equipment.
Table 11: L-854 Radio Control Equipment Error Codes
Code Description Solutions
REQ SET Unable to set tuner frequency Replace Radio Control Board
FRQ LOAD
Unable to load the frequency assignment
from Non-Volatile Memory (Record can not
be found)
Replace Radio Control Board
TNR INIT
Unable to initialize the tuner (typically an
internal processor error)
Replace Radio Control Board
DSP INIT Unable to initialize the display board Replace Radio Display Board
RTC INIT Unable to initialize the RTC chip Replace Radio Control Board
ROM INIT Unable to initialize the Nonvolatile memory Replace Radio Control Board
A/D FAIL The A/D Converter has failed Replace Radio Control Board
ROM CKSM ROM Checksum failure Replace Radio Control Board
Table 12: L-854 Radio Control Equipment Warning Codes
Code Description Solutions
FRQ LOCK
The synthesizer is not indicating that it is
locked to it’s assigned frequency
Replace Radio Control Board
FRQ SAVE
Unable to save the assigned frequency to
non-volatile memory
Replace Radio Control Board
RTC SAVE
Unable to save to the RTC chip. The power
outage logic won’t restore the commanded
lighting state
Replace Radio Control Board
RTC LOAD Unable to load data from the RTC chip Replace Radio Control Board
LOW 5V 5 volt power is below 4.7V DC Replace Power Supply Board
HIGH 5V 5 volt power is above 5.3V DC Replace Power Supply Board
LOW 3.3V 3.3 volt power is below 3.0V DC Replace Power Supply Board
HIGH 3.3V 3.3 volt power is above 3.6V DC Replace Power Supply Board
96A0390, Rev. K, 2019/02/01 29
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