KYORITSU 5020 Instruction Manual - Manual (Page 50)

̶ 47 ̶
When defect or breakdown of the instrument is suspected, check the
following points first. If your problem isn't listed in this section, contact your
local Kyoritsu distributor.
Symptom / Check
1. Unable to measure.( is displayed.)
Check if a sensor is connected to the properly.
Insert the sensor into the connector terminal firmly.
KEW 5010 doesn't recognize the voltage Sensor
2. Unable to measure. (
is displayed.)
Sensor other than Voltage Sensor may be connected to CH1 under
the setting for Power Quality Analysis mode for KEW 5020.
Only the Voltage Sensor can be used under Power Quality Analysis
mode.
3. Inaccurate readings
Check if a clamp sensor is connected properly.Insert the sensor into
the connector terminal firmly.
Check if the jaws are closed properly.
Check if an object stick to the jaw tips.
4. Nothiing is displayed in the LCD
5. Battery symbol is blinked in the LCD.
6. The readings fluctuate.
Check the battery voltage.
If the voltage is low, replace the batteries.
13. Troubleshooting