User Manual

Technical Manual for Master Terminals of the Series IF 152x
Page 34
Repair and Maintenance
Repair and Exchange
Repairs are usually limited to the exchange of the complete master terminal. However, it is also
possible to detect the cause of trouble and to exchange the assembly units concerned, especially the
interface boards. Please note that the software of the master terminal can also be responsible for
malfunctions and that a program update can sometimes eliminate the error. Therefore, exchange
boards only if you are sure that the exchange will eliminate the error. Information on the item numbers
of assembly units and other replacement parts can be found in the chapter "Replacements".
# Caution: Switch off the voltage supply before opening the housing !
MPU Board
The MPU board can be changed with a similar board following the instructions below.
$ Points to note on the exchange of the MPU board in case of servicing:
# Check the software status with OC menu $ cfg.
Download the current IF 1XXX controller software,
if required. For detailed information see manual "IF 1XXX Download Program".
# Check the checksum of the application software by means of the OC menu $ checkappl
(see
chapter "Test").
Card Reader
A card reader can be replaced by another card reader of the same type.
Other Boards
Interface and connector boards can always be replaced by boards of the same type.
$ Note:
Compare the solder bridge and jumper clip settings before installing the boards. In case of deviations,
change the settings to the right position.