horiba SF-1U, Instruction Manual

Page: 52 / 60

E-17
8.4. A3 alarm
(Detector luminous energy low)
A3 alarm generated
Check measuring tube Abnormal
for contamination
Normal Clean measuring tube
※
Check, repair or overhaul
detector
Items marked with “
※
” are services from HORIBA STEC,CO.,LTD. or your dealer.
Placing order for the services is recommended.

A3 alarm (
Ａ３：−−−−
)
The luminous energy of the detector is low. This occurs when the interior walls of the
measuring tube are contaminated or a similar event occurs.
Clean the measuring tube.
⇒7.1.3
Press the START key to reset the alarm.
8.5. A4 alarm
(Decrease in voltage)
A4 alram generated
Check power supply and Abnormal
connection of AC adapter
Power supply
Normal or plug in again
※
Measure voltage,
repair or overhaul
Items marked with “
※
” are services from HORIBA STEC,CO.,LTD. or your dealer.
Placing order for the services is recommended.

A4 alarm (
Ａ４：−−−−
)
The voltage is low.