Cause Of Malfunction And Its Repairs - Jeio tech Lab companion SI-300 Operating Instruction

9. Causes of malfunction and its repairs
1. When the unit stops running
Troubleshooting
When the unit stops running
2. Settlement Details
(1) The refrigeration
Phenomenon
The temperature
decrease.
The temp is unstable.
Discrepancy between Displayed
temp and present temp.
Page 46
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.
Check Point
Check the
illuminated
Check the
illuminated
doesn' t
Check the
Condenser.
Check the inner circulation
fan speed is too low..
Check the PID value.
Check the Blower speed.
Check the sample is too much
inside the chamber.
Check the revision value.
Check point and Settlement
TEMP LED is
Press the START/STOP Button.
W/ON LED is
Release the Timer mode
dust on the Clean the filter opened the
Condenser cover.
Adjust the fan speed high.
Operates the Auto Tuning.
(Reference page 27)
Adjust the Blower fan speed
high .(Reference page 24)
Remove the sample to flow the
air.
Revise
between
present temp..
(Reference :Page 22)
Settlement
the discrepancy
Displayed temp and