Jeio tech ISF-7100 Operating Manual page 32

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Get back to the work after stopping the control. (Door open, Stop operating)
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Defrost is under progress (Temperature control)
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Once the Deviation initialized, the unit check the present value. If the temperature not reaches to
the SV for 4 hours and the rpm not reaches to the SV for 10 minutes, Deviation check is started.
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The range of permission and the period of Deviation is changeable on the System Setting.
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Once Load Unbalance is generated and the setting rpm is changed, the changed rpm is on the
display with red color.
4.2.4.2 Faults
Fault Alarm stops the unit and inform it to the user when the unit need forced stop for the protection. Fault
alarm are Electronic/Mechanical over-temp protection, Load Unbalance, Door Open, Sensor Fault, Over
Current.
1 Temperature Limit
2 Load Unbalance
3 Door Open
4 Sensor Fault
5 Over Current
Electronic/Mechanical over-temp Limiters on the right side of the unit is
activated. The inner temperature of the chamber exceeded the set
temperature of the limiter. The unit stops operation for protection of the
product and the samples. Check the range of the set temperature of the
over-temp limiters.
This error occurs when shaking operation cab not be activated due to
shaking system's vibration. Unbalanced sample load, heavy sample
load, unleveled floor are the factors. To protect shaking system, shaking
operation stops.
If the door is opened for more than 5 minutes during operation, the unit
stops operation and activates door open fault alarm.
It stops operation due to main controller's temperature sensor
malfunction.
Automatic shutoff in the situation when there is over-current to the unit.
The factors are excessive shaking operation, substance disturbance in
the shaking system.
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