53
Troubleshooting
Incorrect operation of the unit is often mistaken for malfunction. If you think that there is
something wrong with a component, see the troubleshooting scheme below. If the problem
persists even after troubleshooting as described below, please contact for Okolab support.
Symptom
Probable cause
Remedy
Device off
Supply cable disconnected
Properly connect the cable
Supply cable damaged
Substitute the cable
Blown fuse
Replace the fuse (see ‘Technical
Specifications’ paragraph 17.4)
No temperature displayed
Err_1 Cable broken
Contact Okolab to receive assistance
Err_2 Cable disconnected or free
sensor cable damaged
Properly connect the cable or contact
Okolab to receive assistance
Err_3 Error on Free Sensor measure
Check the Thermocouple position
Contact Okolab to receive assistance
Err_4 Temperature read by Thermal
plate sensor too high or too low
Contact Okolab to receive assistance
Err_5 Board Error
Contact Okolab to receive assistance
Err_6 Generic error
Contact Okolab to receive assistance
Sample temperature differs from
the set point
Ambient temperature too low or too
high
Regulate the ambient temperature
Change the Offset value manually
Chamber Base, Lid, Objective
Heater or Humidifying Module
Heater cold
Low set point value
Change the set point
Cable disconnected
Connect the cable
Cable damaged
Contact Okolab to receive assistance
Heating Elements damaged
Contact Okolab to receive assistance
Alarm rings
Actual temperature far from the Set
Point temperature
Quickly shoot down the control unit and
properly set the system.
Cable disconnected
Connect the cable
Heating elements damaged
Contact Okolab to receive assistance
I check the previous
troubleshooting but I cannot
solve the problem
Contact Okolab to receive assistance