Faults Diagnosis - Holland Green Science 10301001 User Manual

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Faults Diagnosis

Problem
No Power
Cabinet Temperature
Does Not Increase
Set Temperature
Variance to the
Cabinet Temperature
Over-Temperature
Alarm is Abnormal
Version 1.0
Possible Cause
The power plug is not plugged in or
power not switched '
Fuse has failed.
The set temperature is low.
The electric heater is not working.
The temperature control instrument
is not working
The cyclic fan is not working
The temperature sensor is not
working
The fine-tuning potentiometer for
setting temperature appears not
well adjusted.
The set temperature is low.
The temperature control instrument
is not working.
User Manual
Solution
Check the power plug is
inserted, and power switched
'ON
Replace the fuse.
Adjust the set temperature.
Replace the electric heater.
Replace the temperature
control instrument.
Replace the fan.
Change the temperature
sensor.
Adjust the potentiometer.
Adjust the set temperature.
Replace the temperature
control instrument.
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