77l_Fehlersuche-en.fm, 06.09.2011 P2077SB/EN 2011-09 75
Troubleshooting
15
Measurement card:
Voltage +12 V (…): NOK
The +12 V supply to the measur-
ing board and the transducer is
outside the limits of
+11.4 V... +12.6 V
+12 V short circuiting in the
KMAG/KMAW or DGD-IS
Check the mPro400GC-M in the
Diagnosis>Voltages menu. If
values are outside permissible
limits, check the KMAG/KMAW
cables
(transducer – TSE/TUSE), espe-
cially the +12 V and 0 V wires.
➔ Replace the cable
➔ Replace the transducer or
DGD-IS
Internal power adapter defective ➔ Replace the TSE/TUSE
Measurement card:
Voltage +24 V (…): NOK
The +24 V supply of the TSE/
TUSE is outside the limits of
+20.4 V…+27.6 V
Supply is overloaded Check the mPro400GC-M in the
Diagnosis>Voltages menu. If
values are outside permissible
limits
➔ Check the load
Voltage on power adapter in
PDB-CPS… is incorrect
➔ Set the power adapter to
26.0 V
Measurement card:
Temperature (…): NOK
The temperature on the measur-
ing board is > 80 °C
The temperature sensor in the
TSE/TUSE measures a tempera-
ture > 80 °C
➔ ensure adequate ventilation
of the DGD-IS
Internal error DGD-IS is ventilated sufficiently
➔ Replace the DGD-IS
Transducer:
…Connected: NOK
The signals from the transducer
are not OK
The connection to the trans-
ducer is
– interrupted
Check the KMAG/KMAW cable
(transducer – TSE/TUSE) for
breaks
➔ Replace the cable
➔ Replace the transducer
– short-circuited Check the KMAG/KMAW
cable for short circuits
➔ Replace the cable
➔ Replace the transducer
– unavailable
➔ Connect the transducer
➔ Replace the cable
Internal error
➔ Replace the TSE/TUSE
Transducer:
Calibration voltage: NOK
The calibration voltage is outside
the permissible range of
+4.85 V...+5.15 V
The calibration signal is inter-
rupted
➔ Check the KMAG/KMAW
cable for breaks, especially
the calibration signal wire
The calibration signal is short cir-
cuiting with another signal
Check the KMAG/KMAW cable
(transducer – TSE/TUSE) for
short circuits
➔ Replace the cable
Error in the transducer
➔ Replace the transducer
Internal error
➔ Replace the TSE/TUSE
Error
Description
Possible causes Measures and
remedies
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