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spect the wire for nicks or cuts. The following is a brainteaser applying to the troubleshooting concepts covered in this two-part article and ignores issues caused by shorts going to ground (ground faults). The brainteaser does review back to the very first article covering cut wires. The answers to this brainteaser can be found on Page 50.
“commonly” attached to all valves. This malfunctioning system has seven distinct damaged (shorted, corroded, poorly connected, nicked, or cut) circuit situations at point AA thru point GG. Each of the situations are unique. That is, each situation (AA through GG) represents only one damaged location with that damaged location indicated by that situation’s arrow. For example: The Brainteaser Scenario: damage at Situation “AA” is located at Circuit 1’s terminal strip with all Background information: Fig- other troublesome points (BB thru ure “D” illustrates an electrically GG) not present during the “AA” troubled irrigation system. The sys- situation. A properly operating tem has one common wire that is valve (valve’s solenoid) creates 30 Page 36