TMT84 Troubleshooting
Endress+Hauser 41
9.3.3 Category S diagnostics code messages
9.3.4 Category C diagnostics code messages
Categ
ory
No. Status messages
– In physical block
– diagnostics code
– Advanced diagnostics
– Local display
Sensor Transducer Block measured value
status
1 = Status (profile 3.01/3.02)
2 = Quality
3 = Substatus (profile 3.01/3.02)
4 = Limits
Cause of error/remedy Output
variables
affected
S- 101 Device status messages (PA):
Sensor Measuring Range
Undershot
S-101
Local display:
S101
1 = 0x50*/0x78*
2 = UNCERTAIN
3 = Sensor conversion not accurate/Process
related, no maintenance
4 = OK
Cause of error:
Physical measuring range undershot.
Remedy:
Select suitable sensor type.
SV1, SV2 also
PV1, PV2
depending on the
configuration
S- 102 Device status messages (PA):
Sensor Measuring Range
Overshot
S-102
Local display:
S102
1 = 0x50*/0x78*
2 = UNCERTAIN
3 = Sensor conversion not accurate/Process
related, no maintenance
4 = OK
Cause of error:
Physical measuring range overshot.
Remedy:
Select suitable sensor type.
SV1, SV2 also
PV1, PV2
depending on the
configuration
S- 901 Device status messages (PA):
Ambient Temperature too Low
S-901
Local display:
S901
1 = 0x40*/0x78*
2 = UNCERTAIN
3 = Non specific/Process related, no
maintenance
4 = OK
Cause of error:
Reference junction temperature < -40 °C
(-40 °F); parameter Ambient Temperature
Alarm = On.
Remedy:
Observe ambient temperature as per
specification.
SV1, SV2, PV1,
PV2, RJ1, RJ2
S- 902 Device status messages (PA):
Ambient Temperature too
High
S-902
Local display:
S902
1 = 0x40*/0x78*
2 = UNCERTAIN
3 = Non specific/Process related, no
maintenance
4 = OK
Cause of error:
Reference junction temperature < +85 °C
(+185 °F); parameter Ambient
Temperature Alarm = On.
Remedy:
Observe ambient temperature as per
specification.
SV1, SV2, PV1,
PV2, RJ1, RJ2
*) see note on ä 42
Categ
ory
No. Status messages
– In physical block
– diagnostics code
– Advanced diagnostics
– Local display
Sensor Transducer Block measured value
status
1 = Status (profile 3.01/3.02)
2 = Quality (profile 3.01/3.02)
3 = Substatus (profile 3.01/3.02)
4 = Limits
Cause of error/remedy Output variables
affected
C- 402 Device status messages (PA):
Startup Initialization
C-402
Local display:
C402 Measured Value
1 = 0x4C*/0x3C*
2 = UNCERTAIN/BAD
3 = Init value/function check/local override
4 = OK
Cause of error:
Device starting/initializing.
Remedy:
Message is only displayed during power-up.
SV1, SV2, PV1,
PV2, RJ1, RJ2
C- 482 Device status messages (PA):
Simulation Active
C-482
Local display:
C482 Measured Value
1 = 0x70*/0x73(0x074)
2 = UNCERTAIN
3 = Init value/simulated value, start (end)
4 = OK
Cause of error:
Simulation is active.
Remedy:
-
*) see note on ä 42