KYORITSU 6305 Instruction Manual - Manual (Page 128)

12.1
KEW6305
12. Troubleshooting
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) Instrument cannot be
powered on.
operating with an AC power supply
- Power cord is connected firmly and properly?
- No break in the Power cord?
- Supply voltage is within the allowable range?
operating with batteries
- Batteries are installed with observing correct polarity?
- Ni-HM batteries are full-charged?
- Alkaline batteries are not exhausted?
(2) Error message appears when
powering on the instrument.
● Power off the instrument, and power it on again. There is no
problem
when an error message doesn’t appear; the internal circuit may be
damaged when the same error message appears. Contact your local
Kyoritsu
distributor.
● In case that NG (Err.001)is found only on RTC item, it means
internal coin
battery for backup is exhausted. (Date and time may be wrong
every
time when powering off the instrument) Contact your local
Kyoritsu
distributor. Backup battery life is approx 5 years.
(3) Any key doesn’t work.
● Key lock function is inactivated?
● Check the effective Keys on each Range.
(4) Readings are not stable or
inaccurate
Confirm that:
* Voltage test leads and clamp sensors are connected properly.
* Setting for the instrument and the selected wiring configuration
are
appropriate.
* Proper sensors are used with proper settings.
* There is no break in the voltage test leads.
* Input signal is not interfered.
* Strong electric magnetic field does not exist in close proximity.
* Use environment meets the specification of this instrument.
(5) Incapable of saving data to the
internal memory
● Check the number of files in the memory.
● Check that the destination for saving data is set to internal
memory.