Page 46
9. Causes of malfunction and its repairs
1. When the unit stops running
Troubleshooting
Check point and Settlement
When the unit stops running
①
Check the main power.
②
Check the Fuse..
③
Check the RUN Led display is off.
④
If
the unit
is
off,
Press the
START/STOP
button
to
operate..
⑤
Check the Electric break.
2. Settlement Details
(1) The refrigeration
Phenomenon
Check Point
Settlement
Check
the
TEMP
LED
is
illuminated
Press the START/STOP Button.
Check
the
W/ON
LED
is
illuminated
Release the Timer mode
Check
the
dust
on
the
Condenser.
Clean the filter opened the
Condenser cover.
The
temperature
doesn’ t
decrease.
Check the inner circulation
fan speed is too low..
Adjust the fan speed high.
The temp is unstable.
Check the PID value.
Operates the Auto Tuning.
(Reference page 27)
Check the Blower speed.
Adjust the Blower fan speed
high .(Reference page 24)
Check the sample is too much
inside the chamber.
Remove the sample to flow the
air.
Discrepancy between Displayed
temp and present temp.
Check the revision value.
Revise
the
discrepancy
between
Displayed
temp
and
present temp..
(Reference :Page 22)
Содержание Lab companion SI-300
Страница 67: ...Page 66...
Страница 68: ...Page 67...