DSGH Installation and Operation Guide 83
Diagnostics and repair
CPU board LEDs
Use the LED indicators on the CPU board to check the basic functioning of
the gauge. They are visible when you remove the explosion-proof housing
pipe cap.
FIELD
MEM
HART
CPU
AUX
HV
FIELD
HV
AUX
CPU
HART
MEM
On
Blinking
Off
Normal LED pattern Memory corrupt pattern
Note: If the LED band displays this pattern, call VEGA Field Service to
report this condition.The gauge does not operate if the FLASH
chip is corrupt.