LW Scientific Incubator - Manual (Page 4)

MKT-7.5.3-L-029 | Rev 2
P. 770.270.1394 F. 770.270.2389 865 Marathon Parkway Lawrenceville GA 30046
Troubleshooting
TROUBLE CAUSE REMEDY
Instrument inoperative No power
No power
No power
Power / no heat
PID Controller doesn't properly
control the temperature
Temperature sensor is faulty
Programming
PID keys are locked
The initial setting value is not
suitable for the ambient air
temperature where the machine
is located
Calibration thermometer reading
is different from the displayed
temperature
PID controller keys non
responsive
Temperature is not stable
PV value is not correct
Confirm unit is plugged into outlet
Change to different outlet
Check the electrical breaker on the rear of the unit, if
tripped, press to reset
Check heating element, if bad replace or contact
LW Scientific for service
Check temperature sensor, if bad replace or contact
LW Scientific for service
Check that PID setting are correct, if in doubt,
contact LW Scientific service
Please refer to page 2, Other functions 5. (c)
to release the lock status
Please refer to "Other functions" and try auto-tuning
function to solve this problem
Unit has a temperature offset feature, contact
LW Scientific for specific instructions on setting