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13.2.1 Error code table
No.
0
No error occurred
Watchdog reset or interruption of power
1
supply
2
P1000 line short-circuited
3
P1000 line interrupted
33
Error in HART
42
Data error in the A/D converter
Device temperature exceeds quartz
75
calibration interval
All error messages can be deleted by pressing the "P" key when the programming line is activated in
channel "]". If the error number re-appears on the display, the error source has not been resolved.
13.3 Errors/defects caused by the density transducer
Disconnect the device, open the screw-down cover, loosen the two fastening screws of the electronics
and carefully remove the electronics. For the version with control unit, the digital display must be screwed
off first. Disconnect all coil and temperature sensor cables from the transducer in order to check the
resistances in accordance with the following data:
- Resistance of the transducer coil at 20°C between blue (BU) and yellow (YE)
- Resistance of the excitation coil at 20°C between black (BK) and white (WH)
- Resistance against mass
The wires of the temperature transducer are marked with a black shrinkdown sleeve.
Resistance levels PT1000 between blue (BU) and yellow (YE)
Temperature (°C)
Resistance (Ω)
Symptom
Coil resistance is zero or
infinite
Resistance of Pt1000 is zero
or infinite
Short circuit between cable
and housing
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Description
protocol
-20
0
20
922
1000
1078
Possible reason
Coil is defective
Pt1000 is defective
Frame connection
Remedy
Check power supply voltage
Resolve short-circuit, return device to Bopp &
Reuther Messtechnik, if necessary
Re-establish connection, return device to
Bopp & Reuther Messtechnik, if necessary
Contact Bopp & Reuther Messtechnik
Contact Bopp & Reuther Messtechnik
Control device environment
40
60
80
1155
1232
1309
Return density with transmitter to Bopp
& Reuther Messtechnik
Return density with transmitter to Bopp
& Reuther Messtechnik
Return density with transmitter to Bopp
& Reuther Messtechnik
60 Ω
125 Ω
> 100 MΩ
100
120
140
1385
1460
1536
Remedy
25
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