32
WIKA Operating Instructions Level Transmitter
– BLM-SF-FM
Display „
Release
buttons!
“
Buttons pressed/blocked.
Buttons defective.
Release buttons/remove
blockade.
Contact service.
Display „
RAM fail-
ure!
“
Volatile memory defective.
Contact service.
Display „
HART-
Modem failure!
“
HART
®
-Modem defective.
Contact service.
Display „
DAC fail-
ure!
“
Digital-to-Analogue-
Converter for loop control
defective.
Contact service.
Display „
Sensor not
calibrated!
“
Non-volatile memory defec-
tive.
Contact service.