10 alarm messages, Alarm messages – JUMO 701150 14597 safetyM STB/STW - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual User Manual
Page 101

10 Alarm messages
101
10 Alarm
messages
They can appear as follows:
Alarm display
Cause
Remedy
5 flashing horizontal lines: Measured value error
No valid value can be displayed
h
Check error messages on the screen
h
Please contact the JUMO Service department
v
Chapter 2.4 "Service addresses"
Measured value overrange
The measured value is too high, is out-
side the measuring range or the probe
is broken.
h
Change the display to 2 measured values
This makes it possible to detect which channel is de-
fective.
h
Check the probe and connection line for damage or
short-circuit.
v
Chapter 4.2 "Connection diagram"
h
Check that the correct probe is set and/or connect-
ed.
v
Measured value underrange
The measured value is too low, is out-
side the measuring range or a short-cir-
cuit occurred at the probe.
5 flashing asterisks
Display overflow
Value cannot be displayed
h
Check error messages on the screen
h
Please contact the JUMO Service department
v