Yamato SM310 - Problem Solving and Fault Chart

37
Troubleshooting Guide
Problem Solving Chart
Fault Indication Check Points
Display does not come up when
the breaker is turned on
・Is the power supply cord connected?
・Is there any power failure?
・Is the voltage of the power source adequate?
Air is not exhausted.
The safety valve is activated.
・Is the hose to the bottle bent or clogged?
・Is the exhaust clogged by material etc.,?
Water is not drained.
Water is not drained in drying
process.
・Is the filter clogged?
Sterilization temperature does not
go up.
The pressure does not increase.
・Is the lid securely closed?
・Is the packing or flange damaged?
The pressure increases when the
solenoid valve is not closed.
・Is the exhaust vent clogged?
The temperature changes during
operation.
・Is there considerable changes of the outside temperature?
Steam spouts rapidly.
・Is there water in the bottle?
・Is the exhaust hose out of place or damaged?
Water leaks.
・Is the drain valve securely closed?
・Is there too much water in the bottle?
The operation does not start from
stand-by.
・Is bottle installed?
Noise during air purge is loud. ・Is the silencer out of place?
◆If you require further technical assistance, please call Yamato Scientific at (800) 292-6286 Ext. 235