Deif XL Installation And Commissioning Guide

5.5 Error handling
5.5.1 Analogue 240° indicators
Indicator status Error LED Pointer Remark
Power-up
Flashes two or three
times
Random,
then moving to actual value or
error position
Pointer moves uncontrollably for a few
seconds, this is normal operation
Input within range OFF Actual reading Normal state
Input out of range
OFF
Flashes twice when re-
entering normal state
In error position  degrees
outside scale arc in relevant
side
Pointer stops at scale max./min. for two
seconds and moves to error position
Power-down
(power off)
OFF
Moves to random position
(not locked)
External PSU supervision is recommended
Internal error
(watch dog)
Continuous flashing Random Unit must be returned to DEIF for service
5.5.2 Analogue 360° indicators
Indicator status Error LED Pointer Remark
Power-up
Flashes two or three
times
Random,
then moving to actual value
or error position
Pointer moves uncontrollably for a few
seconds, this is normal operation
Input within range OFF Actual reading Normal state
Input out of range Continuous flashing
Random,
typically last valid reading
As no pointer position can be used as error,
LED is flashing instead
Power-down
(power off)
OFF
Moves to random position
(not locked)
External PSU supervision is recommended
Internal error
(watch dog)
Continuous flashing Random Unit must be returned to DEIF for service
Installation and commissioning guide 4189350024O EN Page 33 of 39

Deif XL Specifications

General

Brand	Deif
Model	XL
Category	Measuring Instruments
Language	English