6-1
Section 6
Trouble Shooting
Trouble During
Operation
Causes
Solution
No heat
Failure to push the
RUN/STOP Button.
Push the RUN/STOP Button.
Power cut-off by built-in
overheat prevention
circuit.
Turn off the main power switch and wait until the
heater cools down. Then, turn on the main
power switch.
Too low setting of the high
temperature limit.
Change the temperature limit.
Internal circuit failure
Contact Fisher Scientific for service.
No or too slow
temperature change
during heating
Too low setting of the
heating level.
Turn the heater knob clockwise to increase the
heating level.
Too much media.
Reduce the media volume.
Internal circuit failure.
Contact Fisher Scientific for service.
Button malfunction
Activation of locking.
Unlock by pressing the LOCK Button for 2
seconds.
Damaged button.
Contact Fisher Scientific for service.
Knob malfunction
Damaged knob
Contact Fisher Scientific for service.
LED display malfunction
Damage due to chemical
spill or overheat
Contact Fisher Scientific for service.
