SIFANG CSC-1321, User Manual, Page: 46 / 48

Chapter 5 Operation and Maintenance
3 Common failures and countermeasures
IRIG-B mode
Common failures, analysis of causes, and handling methods can be seen in
Table11.
Table 11 Common failures, causes, and handling methods
Serial
No
Phenomena of
common failures
Analysis of causes Handling methods
1
No work, MMI and
indicator lights are not
on while powering on Not reliable connection of
power supply
Check the power supply wiring
to assure it is reliably
connected.
2
Communication outage
of modules
Loose terminal between
module and rear panel
Push the module closely to the
terminal.
Wrong settings of the address
dial-up of this module
Adjust it into the correct
address dial-up.
3 Unclear LCD display
LCD change due to
temperature change
Adjust the LCD display contrast
in the menu.