lbx INCR-070-001, Руководство пользователя, Страница: 8 / 10

8
XI. Fault Analysis
Phenomenon Cause analysis Treatment
Power director does not
show Without power Inspect the plug
Fuse broken Change fuse
Temp. Controller
shows“ □□□□ ”
Sensor broken Change sensor
Controller broken Change controller
Evaporator frost or
Chamber with frost
Open the door
frequently when doing
the Low-Temp. test
Over 50 degree make dry and
reduce open door
Left hole with bad seal Inject the inner hole by rubber
Door opening Close the door
Hard to make the Temp.
down
Evaporator frost Dry the chamber
Environment Temp. too
high
Down environment Temp.
Fan works or not Check fuse and fan
Compressor works or not Change Compressor
Compressor works but not
refrigeration Check the cryogen
Check the ice or oil block
Specification mixed Setting correct and restart
Temp. up continue Evaporator frost Dry the chamber
Abnormal Knocking
Circle Fans loose Check and adjust
Condenser, Fan,
compressor loose Check and adjust or contact with
us
Bad evenness degree
Sample hot Reduce sample quantity
Evaporator frost 、 wind
block
Dry the chamber 、 Restart
Controller instability
Power do not match Change the Power
Voltage instability Make sure stability voltage
Hard make Temp. up
Over-Temp. setting too
low
Adjust the Temp. correct
Meter setting too low Set the Temp. correct
Meter heating director on
but without input function
Change the meter
Meter heating but the
heater doesn’t work
Change the heater
Fan doesn’t work Change fan or fuse
Sensor broken Change sensor
Temp. over bigger than
setting
Meter setting incorrect Set again and the manual
Heater working do not
stop
Change Controller