Endress+Hauser Digital Recorder eco-graph c Betriebsanleitung Seite 123

Digital Recorder
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Problem:
Display does not function
9 Trouble-shooting
9.1 Diagnosis/test functions
Access in main menu:
Fig. 51: Main menu: Diagnosis/test functions
Fig. 52: Display or Digital I/O test
Service functions for quick device check in installed status. Display test and test of
digital inputs and relays. Protection via code "6051" to prevent unintentional release.
Functions:
• Display test
• Digital I/O test
Warning!
Normal measured value recording is interrupted while these functions are being used.
Note!
Every intervention is recorded in the events list.
9.2 Trouble-shooting instructions
Cause:
No LED lights up => No power
No LED lights up => Device fuse defective
Remedy:
Please check the power supply and the mains
supply.
Please check the fuse on the power unit (1 A slow-
blow) (→ Chap. 9.4.1)
Trouble-shooting
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