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Input board p/n 25102
Eingangskarte p/n 25102
Platine d'entrée p/n 25102
Power board p/n 25101
Versorgungskarte p/n 25101
Platine alimentation p/n 25101
Fault finding procedures
Fault finding procedures
Fault finding procedures
Fault finding procedures
Fault finding procedures
5.
The unit doesn't measure
milliamps.
Check the fuse accessible from
the front. Replace fuse only by
Unomat p/n 13119 or littelfuse
No. 217.400
6.
The unit doesn't measure Ohms
or RTD's
Open the MCX and check the
fuse on the input board. Replace
fuse only by Unomat p/n 13119
or littelfuse No.217.400
7.
The optional "Communicator"
doesn't work.
Open the MCX and check the
fuse on the power board.
Replace fuse only by Unomat p/n
13119 or littelfuse No.217.400
Most other fault symptoms are not
logically related to just one possible
defect.
When you have spare printed circuit
boards available, you could replace
board by board to find the faulty
board. Note that a board replacement
requires a recalibration. Note that this
procedure may also create a problem
in a new healthy board by specific
defects in a original board.
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