Burkert Type 8619 - Manual (Page 124)

122
Maintenanceandtroubleshooting
9. mAinTenAnce AnD TroubleshooTinG
9.1. safety instructions
danger
risk of injury due to electrical discharge.
• Shut down and isolate the electrical power source before carrying out work on the system.
• Observe all applicable accident protection and safety regulations for electrical equipment.
WarnIng
risk of injury due to non-conforming maintenance.
• Maintenance must only be carried out by qualified and skilled staff with the appropriate tools.
• Guarantee a set or controlled restarting of the process, after a power supply interruption.
9.2. maintenance of the multicell
The multiCELL can be cleaned with a duster slightly moistened with water with possible addition of a detergent
compatible with the materials it is made of.
Please feel free to contact your Bürkert supplier for any additional information.
9.3. if you encounter problems
9.3.1. "error" events related to the monitoring of process
parameters (right red leD and icons
X and displayed)
When an error event related to the monitoring of the process parameters is generated:
• The 4-20 mA output(s) generate a current of 22 mA if "Diag. events" is configured as "22 mA" (see chap.
8.10.21);
• The transistor outputs operate normally.
message dis-
played in the
"information"
menu meaning recommended action
"Mx:E:AIx low" The value of the analogue input of the
"Mx:Inputs" module is out of range.
This message is displayed if monitoring of
the analogue input is activated for the "Mx"
module, depending on the ERR LO threshold
defined (see chap. 8.12.2).
→
Check the wiring of the input.
→
Make sure the connected instrument
correctly operates.
Type 8619
english