184
Typ EP 501
Maintenance and Troubleshooting
29.
MAINTENANCE
The.device.is.maintenance-free.when.operated.according.to.the.instructions.in.this.manual.
30.
ERROR MESSAGES AND MALFUNCTIONS
30.1. Error messages on the display
30.1.1. General error messages
Display
Causes.of.error
Remedial.action
min
Minimum input value has been reached Do not reduce value further
max
Maximum input value has been reached Do not increase value further
CMD error
Signal error
Set-point value positioner (positioner)
Check signal
SP error
Signal error
Set-point value process controller
Check signal
PV error
Signal error
Actual value process controller
Check signal
PT100 error
Signal error
Actual value Pt-100
Check signal
invalid Code
Incorrect access code
Input correct access code
EEPROM fault
EEPROM defective
Not possible, device defective
Table 99:
General error message
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