Endress+Hauser iTEMP TMT84 - Page 40

Troubleshooting TMT84
40 Endress+Hauser
9.3.2 Category M diagnostics code messages
F- 437 Device status messages (PA):
Configuration Incorrect
F-437
Local display:
F437
1 = 0x0C*/0x24*
2 = BAD
3 = Sensor Failure/Maintenance alarm, more
diagnostics available
4 = OK
Cause of error:
Incorrect configuration within the
Transducer Blocks „Sensor 1 and 2".
Remedy:
Check the configuration of the sensor types
used, units and the settings of PV1 and/or
PV2.
SV1, SV2, PV1,
PV2, RJ1, RJ2
F- 502 Device status messages (PA):
Linearization Error
F-502
Local display:
F502
1 = 0x0C*/0x24*
2 = BAD
3 = Sensor Failure/Maintenance alarm, more
diagnostics available
4 = OK
Cause of error:
Error in linearization.
Remedy:
Select valid type of linearization (sensor
type).
SV1, SV2, PV1,
PV2, RJ1, RJ2
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
*) 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
3 = Substatus (profile 3.01/3.02)
4 = Limits
Cause of error/remedy Output
variables
affected
M- 042 Device status messages (PA):
Corrosion
M-042
Local display:
M042
1 = 0x50*/0xA4*
2 = UNCERTAIN/GOOD
3 = Sensor conversion not accurate/
Maintenance required/demanded
4 = OK
Cause of error:
Corrosion detected on the sensor terminals.
Remedy:
Check wiring and replace if necessary.
SV1, SV2 also
PV1, PV2
depending on the
configuration
M- 103 Device status messages (PA):
Drift
M-103
Local display:
M103
1 = 0x10*/0xA4*
2 = UNCERTAIN/GOOD
3 = non specific/Maintenance required/
demanded
4 = OK
Cause of error:
Sensor drift has been detected (according to
the settings in the Transducer Blocks).
Remedy:
Check the sensor, depending on the
application.
PV1, PV2
SV1, SV2
M- 262 Device status messages (PA):
Display Communication Error
M-262
Local display:
M262
!
Note!
Does not affect status of measured value
Cause of error:
No communication possible with the display.
Remedy:
• Check whether the retainers and the
connection of the display module are
correctly seated on the head transmitter.
• If available, test the display module with
other suitable E+H head transmitters
• Display module defective  Replace
module
SV1, SV2, PV1,
PV2, RJ1, RJ2
*) see note on  ä 42