49
Message
ER301
ER302
ER303
ER304
ER305
ER601
ER602
ER603
ER702
ER801
ER802
Source of problem
Temperature sensor short-circuit
Temperature sensor not connected
Heater overheated
This error indicates the existence of an extremely hazardous condition. Turn the power off
immediately and without delay contact a Kett representative for assistance.
Temperature measurement error
Heater failure
Auto-taring mechanism error
Power failure
Memory error
Internal clock error
If any of the following errors are displayed, it indicates that a failure or breakdown of internal parts
or components has occurred. Contact the vendor from which you purchased the unit or the Kett
Tokyo sales office or a local Kett office or sales office for assistance.
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