JUMO 701150 14597 safetyM STB/STW - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual - Manual (Page 101)

10 Alarm messages 101 2014-05-01
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 Chapter 7.2 "Analog inputs"
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 Chapter 2.4 "Service addresses"