40
STB55
3.5 Error messages
Display
Description
Suppl. Voltage
Caution!
Please check
too low!
Parameter
Caution!
activated
locked
Incorrect
Caution!
1. failed attempt
password
49min 30s
Sequence
Safety time
Broken
Thermocouples
Please check
line
Measured val.
Thermocouples
Please check
> XXX
°
C
Measured val.
Thermocouples
Please check
< XXX
°
C
Short
Pt100
Please check
circuit
The supply voltage does not reach the value that is required for the
device to function safely.
The parameter cannot be changed, because the parameter
lock is activated for the configuration level.
An incorrect password was entered for the security area. The
display returns to password entry after 3 seconds.
After an incorrect password has been entered three times,
the device enters a safety timeout for 60 minutes.
A cable interruption is detected at the connection terminals to the
thermocouples. Check connection of the thermocouples.
The measurement exceeds the maximum temperature for
the selected thermocouple.
The measurement undercuts the minimum temperature for
the thermocouple.
A short circuit was detected at the terminals of the Pt100.
Check connection lines and Pt100 probes.