Rain Bird TI-DM400 Troubleshooting Manual Download | Manualshive

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TI-DM400 Digital Multimeter

TROUBLESHOOTING GUIDE

RB.DM400.TGuide.mech 2/3/03 10:17 AM Page 1

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Summary of Contents for TI-DM400

Page 1: ...TI DM400 Digital Multimeter TROUBLESHOOTING GUIDE RB DM400 TGuide mech 2 3 03 10 17 AM Page 1...

Page 2: ...ystem Resistance check of each station 10 Voltage check of each valve 11 Voltage check of pump relay 12 WARNING This booklet is only intended to be a guide for using this product with other Rain Bird...

Page 3: ...the stations are work ing then you don t have any troubleshooting to do at the controller Step 4 Make a list of all of the stations that are not functioning properly Measure the output voltage for eac...

Page 4: ...this guide If the fuse is good proceed to Step 7 If the fuse is bad replace it and start again at Step 3 Step 7 Check the 120 V power being supplied to the controller according to the instructions pr...

Page 5: ...else 4 Turn power back on 5 Touch a probe to each wire nut to check power 6 Observe voltage reading on TI DM400 display 7 Turn power back off 8 Reconnect the lines inside of the controller 9 Turn powe...

Page 6: ...er lines that run into the terminal strip from the transformer Be careful not to touch the probes together 2 Check the reading on your multimeter Acceptable range 24 28V AC SET METER TO PROBE CONNECTI...

Page 7: ...3 Touch one probe to each side of the fuse 4 Check the reading on your multimeter Acceptable range Very low or zero Ohms OK A high value or Over Range Indication OL indicates a bad fuse SET METER TO b...

Page 8: ...n VDC 4 Touch one probe to the metal lead on each side of the battery 5 Check the reading on your multimeter 6 Replace the battery Acceptable battery test range Varies by battery type and manufacturer...

Page 9: ...oller to expose terminal strip 3 Turn controller to manual mode and activate the station or master valve MV to be checked 4 Touch insert one probe to the terminal labeled COM for common 5 Touch the ot...

Page 10: ...ked 3 Check the reading on your multimeter Acceptable range 20 60 Ohms Less than 20 indicates a short or crossed wires more than 60 indicates a broken wire bad splice or bad solenoid Note that station...

Page 11: ...two splice wires leading into the solenoid If it is easier disconnect the solenoid and just check the voltage drop across the two wires coming from the controller 3 Check the reading on your multimet...

Page 12: ...se a part of each of the two wires coming out of the relay 3 Touch a probe to each of the exposed wires 4 Check the reading on your multimeter Acceptable range 24 28 V AC Rain Bird Corporation 970 Wes...

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