Erratic or erroneous readings:
Possible causes:
1. Test lead damaged or not connected.
2. Poor test lead connection.
3. Poor Mains power source supply. Check extension cords, plugs and cables carefully.
4. Test set attached to a “Live” load or high interference load.
5. Try to measure the primary winding in series to the secondary winding. See chapter F
Measuring high- and low-voltage-side in series on page 125.
Cannot switch off the WR14
Disconnect the power cable and press the Power switch for 15 seconds.
NOTE:
The WR series instruments are designed to be trouble free.
If problems or questions do arise please contact your nearest
representative or our service support group in Switzerland.
Instruction Manual Winding Resistance Meter
Type WR100 / WR50 / WR14
Page 138 of 139
