Below you will find a trouble shooting guide for our most frequently asked
questions regarding our M Series Meters.
TROUBLE SHOOTING GUIDE |
| PROBLEM |
PROBABLE CAUSE |
TO CHECK |
TO REPAIR |
| No pulse signal |
Meter not operational |
Foreign matter restricting meter movement. |
Remove Obstruction. |
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Incorrect Wiring |
ME Series meters (check polarity) black: -12 VDC, white:
input signal, red: +12 VDC.
MR Series meters (non polar connection) -12 VDC input signal. |
Make Proper Connections. |
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Non-Functional Sensor |
ME Series meters - check for +12 VDC.
MR Series meters - check for continuity. |
Contact Hays |
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| Meter Runs in Reverse |
Meter improperly installed. Flow in wrong direction |
Be certain arrow on meter body is in direction of flow. |
Install meter in proper direction. |
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| Inaccurate Metering |
Not enough straight pip between meter and flow disturbance |
Check distance of straight upstream piping. Should be a
minimum of 5 pipe diameters |
Re-install at proper distance. |
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| Water Visible |
This is normal. (Wet Dial Meter) |
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| Air Bubble |
Air is trapped during installation |
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Invert meter. Allow water to flow through meter. Rotate
Meter to original position and resume operation. |
