54
In the Event of Failure…
Troubleshooting
Problem
Possible Cause
Solution
Power is not supplied.
Check the connection and
turn on electricity.
Bad condition of the earth leakage breaker
The sub indicator does not
indicate current date and time
when the electric leakage
breaker is turned on.
Bad condition of the controller
Replace the part (*)
The cooling fan does not move
when the electric leakage
breaker is turned on.
Bad condition of the cooling fan
Replace the part (*)
Problem in power source
Connect to the appropriate
power source.
The operation panel indicates
none when the power key is
pressed.
Bad condition of the controller
Replace the part (*)
Heater circuit is interrupted by self-diagnosis
function (Error code is indicated)
Refer to the Page 53
“Function of safety devices”.
Temperature does not rise.
Heater deterioration
Replace the part (*)
Variable ambient temperature
Change the installation
location.
Too much samples loaded
Reduce the quantity of
sample.
Bad condition of the controller
Instable indication
of temperature
Bad condition of the sensor
Replace the part (*)
Noisy
Cooling fan deterioration
Replace the part (*)
*: Please contact to the shop of your purchase or nearest branch office of Yamato Science for the
troubleshooting of items with the “*” mark.
When an error occurs...
•
In case these error code mentioned above is displayed, recode the error code and shut off the
power immediately.
•
In case “ Er14” is displayed, once turn off a circuit breaker. Then, after more than 30seconds, turn
on the breaker again. In case “Er14”is still displayed even after the breaker is turned on, then
contact us.
When power failure occurs…
•
When power is supplied after a power failure, the device automatically starts operation again with
the same state as just before the power failure. It is danger that the device starts unattached
operation after a power failure.
•
We recommend for you to turn off the switch of device if a power failure occurs during operation.
In the case if the error other than listed above occurred, turn off the power switch and primary
power source immediately. Contact the shop of your purchase or nearest Yamato Scientific
Service Office.