Dräger REGARD - Page 11

REGARD 8-Input 4-20 Module & 8-Channel Display Card (ATEX Version)
Issue 2. October 2011
11
Fault code Meaning Remedy
FAULT BR
FAULT BS
FAULT B
FAULT B
FAULT B
FAULT B
Push button fault. Advisory.
Push button indicated appears to be continuously pressed.
Check push buttons.
FAULT C
Communications error – Regard. Critical.
Communication with the master card has failed. Gas level
display continues and alarm relays will continue to operate,
but functions controlled by master card may not operate.
Check RS-485 connection
between master card and
display card.
FAULT CM
Communications error – module. Critical.
Communication between display card and input module has
failed. No gas level measurements are available.
Check RS-485 connection to
input module.
FAULT D
Data error. Critical.
Configuration settings have been corrupted. Default
configuration settings will be used.
Check configuration settings.
FAULT E
EEPROM failure. Critical.
Configuration data has been lost. Default configuration
settings will be used.
Replace card.
FAULT H
Supply voltage too high. Critical.
Reduce supply voltage.
FAULT L
Supply voltage too low. Critical.
Increase supply voltage.
FAULT M
Microcontroller failure. Critical.
Display card or input module has stopped working.
Hold down R to reset the
card.
FAULT I
Configuration settings corrupted. Advisory.
Settings held in RAM differ from those in EEPROM.
EEPROM data will be
automatically reloaded.
Press R to clear fault. If it
persists replace card.
FAULT RR
Remote reset fault. Advisory.
Remote reset terminals appear to be continuously shorted.
The remote reset input will be ignored.
Check connections to remote
reset input.
FAULT We
Watchdog reset. Advisory.
Unknown error caused card to reset. Card will continue to
operate normally.
Check installation.