15
In the Event of Failure…
Trouble Shooting
Instances
Condition Possible
Causes
Solution
Bad connecting in lamp or lamp circuit
Replacement or repair
Defective power switch
Replacement or repair
Failure in timer
Replacement or repair
Fuse is blown
Replacement or repair
Failure in speed control
Replacement
When turning ON the switch;
•
Lamp does not light ON.
•
The device does not start shaking.
Timer is set to “0”
Resetting timer
Too loosened or tensed belt
Repair
Loose pulley or its wrong position
Repair
Worn carbon brush of the motor
Replacement
Worn roller
Replacement
Shaking but;
•
Smooth shaking is not available.
•
Loud noises and violent vibration.
Defective vibration-proof rubber leg
Replacement
Failure in speed control
Replacement
Defective speed-adjusting volume
Replacement
Speed cannot be controlled.
Defective motor
Replacement
Before call us...
Condition Possible
Causes
The device does not start when turning on
the power switch.
•
Power plug is not connected to the receptacle
correctly.
•
Power
failure.
•
Fuse is blown.
•
Timer is set to “0”.
The shaking speed fluctuates in operation.
•
Too much samples
•
The carbon brush of the motor is worn out.
Required shaking times cannot be reached.
•
Too much samples
•
The carbon brush of the motor is worn out.
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.
Summary of Contents for SA300
Page 2: ......