Instruction Manual

37
10. Troubleshooting
If you have a problem with your unit, please check the following list for solutions.
Symptom Possible Cause / Solution
Refer to
The display does not appear
when the power is turned ON.
The AC adapter is not connected properly.
→ Confirm the AC adapter and power cable.
Low battery
→ Replace the batteries.
→ Recharge the batteries (Ni-MH batteries)
3.1
Ni-MH battery drains fast. Insufficient battery charge → Recharge 3.1
Reading is blinking. Alarm level is exceeded → Confirm alarm setting 4.3
Measurement does not start.
When operating status is:
WAIT → Wait until status changes to “READY”, and press
“START” key.
READY→ Press “START” key.
STOP → Press “START” key, wait until status changes to
“READY”, and press “START” key again.
4
Particle count or concentration
is too high.
Attach the supplied filter and confirm that the reading drops
to zero.
Reading drops to zero:
→ Concentration of measuring environment is too high.
Reading remains high:
→ Possible instrument failure.
Please contact your local distributor.
Particle count or concentration
is too low.
Confirm error status of laser power failure or flow error. 8
Reading is displayed as “##.#” “##.#” indicates that the measurable range is exceeded.
Printing cannot be performed.
- Setting such as the baud rate setting is not made properly.
→ Confirm the printer setting.
- Improper cable connection.
(Confirm that the printer cable is used. Not the RS232C
cable.)
6.4
Can not transfer data to the
computer.
- Confirm cable connection.
(Confirm that the RS232C cable is used. Not the printer
cable. )
- Computer is not properly set for data transfer.
6.3
If the problem cannot be solved by confirming the above, please contact your local distributor or
our service center.