Troubleshooting

120v Solenoid Coil Resistance

A valve

120v solenoid coil resistance will vary depending on the model of the solenoid. Therefore, it is best to test an identical coil’s resistance. You could test a new solenoid or one that is working. You will become familiar with the resistances of coils in your facility over time. Should a Coil Have Continuity? Coils require …

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How to Check Phase Rotation With a Multimeter

Unfortunately, It isn’t possible to check phase rotation with a standard multimeter. Phase rotation must be checked with a specialized tester like the fluke 9040 or Amprobe PRM-6. These testers allow technicians to ensure equipment like pumps and compressors won’t be damaged by incorrect rotation. If you do not have access to a phase rotation …

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