Labnet MultiGene Mini Personal Thermal Cycler - Manual (Page 16)

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CHAPTER 4 TROUBLE SHOOTING
1 Failure Analysis and Processing Procedures
No. Phenomenon Failure Analysis Troubleshooting
Disconnected power supply
Check power supply for correct
connection
Bad fuse
Replace it (250V 2.5A,Φ5×20mm
or 125V 5A, Φ5×20mm )
Switch failure Replace switch
1
No display and the two beeps
missed when power on
Others Contact Labnet or your distributor
Ventilation blocked Clear the airflow blockage
Bad connection
Open the device, check the
connectors for reliable connection
2
Abrupt change in heating
speed or bad temperature
control accuracy
Cooling module failure Contact Labnet or your distributor
Cooling module failure
3
Significant change in cooling
speed, or unavailable
temperature below ambient
Fan failed or stopped
Contact Labnet or your distributor
Bad sensor
4
Heating and cooling
terminated
Malfunction of all cooling
modules
Contact Labnet or your distributor
Bad contact between connectors
Loose connection between
connectors
Lid heater failure
5 Lid cannot be heated
Lid sensor failure
Contact Labnet or your distributor
Bad contact of chip with its
socket
6
Abnormal characters
displayed
Chip malfunctioning
Contact Labnet or your distributor
7 Inactive keys Membrane panel damaged Contact Labnet or your distributor