Vega DSGH - LED Indicators

82 DSGH Installation and Operation Guide
Diagnostics and repair
LED indicators
Table 5.7 Power supply board LEDs
LED Description
Normal
Condition Error condition Recommendation
+6 V +6 V DC
voltage level
to
electronics
ON OFF –
electronics are
not receiving +6
V DC voltage
required for
functioning.
Verify +6 V on test
points. Check fuse
on power supply
board. Check
power input
terminals 1, 2.
+24 V Analog
output loop
voltage
ON OFF – 24 V not
present on 4 mA
... 20 mA output.
4 mA ... 20 mA
output and
HART
communications
are bad.
Check loop wiring
and jumpers JP1,
JP2 on power
supply board.
Replace power
supply board.
Relay Relay
condition
indicator
ON = relay
is
energized.
OFF =
relay is de-
energized.
None Check against
relay output
terminals 3, 4, and
5. If no relay
output, replace
power supply
board.