Yamato Scientific SQ 510 Autoclave, Sterilizers - Manual (Page 48)

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In the Event of Failure…
Safety Device and Error Code
This unit has an automatic diagnosis function built in the controller and safety devices independent of the
controller. The table below shows the cause and the solution method when the safety device operates.
Error Code:
If an error in use or equipment a failure occurs, the temperature display screen on the operating panel
displays the corresponding error code and the alarm buzzer sounds. The buzzer stops by pressing any key.
In case an error occurs, check the error code and turn off the earth leakage breaker.
Safety Device Notify Cause/Solution
Sensor trouble detection “Er.01” appears
• Failure in temperature input circuit.
• Temperature sensor is broken or disconnected.
• The measured temperature is out of the display range.
™
Make a call for service.
SSR short-circuit
detection
“Er.02” appears
• SSR is in short-circuit
™
Make a call for service.
Heater disconnecting
detection
“Er.03” appears
• Heater is disconnected.
™
Make a call for service.
Cover locking error “Er.04” appears
• The cover is unlocked during operation.
™
Make a call for service.
Cover unlocking error “Er.05” appears
• The cover is not unlocked at releasing.
™
Make a call for service.
Incorrect bottle position “Er.06” appears
• Bottle is attached incorrectly.
™
Open the door and attach the drain bottle correctly.
Overheat error “Er.07” appears
• The chamber temperature rises to 140℃ or above.
• The temperature of "preset temperature + (plus) 3℃
or above" is continued for one minute during
sterilization process.
• The temperature of "preset temperature + (plus) 10℃
or above" is continued for ten minutes during
heat-retention process.
™ Make a call for service.
Sample sensor (optional)
disconnection
“Er.08” appears
• Disconnection or abnormality of sample sensor.
• The setting is set to "on" when the sensor is not
attached.
™ Check the setting referring to "Maintenance Mode" in
Page 31.
™ Make a call for service.
Exhaust valve error “Er.09” appears
• Failure in exhaust valve.
™
Make a call for service.
A/D conversion error “Er.14” appears
• Failure in electrical parts.
™
Make a call for service.
Memory error “Er.15” appears
• Failure in preset value of memory.
™
Make a call for service.