Troubleshooting, continued
89
Problem The controller is functioning but acting oddly.
Solution If the controller is acting oddly, try downloading the Firmware to the program module in the
controller. Please see the Firmware Upgrade Instructions included with the Firmware Upgrade
package.
Replacing The Controller
The MDC2 Controller contains set-up and irrigation data that is stored in a chip soldered to the main board.
When you need to replace the controller, the data will stay in the defective controller. However, you can use the
PC program to transfer data from the controller to the PC. If the controller is still able to communicate, you can
retrieve and transfer the data to the replacement unit. Please see Retrieving the Data on page 62. If the controller
cannot communicate you must rely on the current PC data or backup disk you made the last time you updated
the data.
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