Vi. troubleshooting, Unit makes no sound when start button pushed, Unit makes no sound in water – Xylem WL550 OIL WATER INTERFACE METERS User Manual

Page 8: Unit sounds constantly

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VI. Troubleshooting

Unit makes no sound when start button pushed.

a. Battery is reversed or is flat. Replace battery in a safe area. Check

polarity.

Unit makes no sound in water.

a. Verify water is not distilled. Clean water sensing electrodes.

Unit sounds constantly

a. Battery is low. Replace.

b. The connection to the tape and module should be checked. Clean the

tape to module connection by attaching and detaching 4-6 times. This

will remove any oxides that may have formed. This is rare but can

happen and it is very easy to remedy.

c. Clean the prism assembly.