Symptom
Causes
Countermeasures
Power failure alarm is
triggered.
『
(01) Power Failure
』
Power outage occurred during
operation.
Press the [Clr] key to return to the ordinary
screen and then resume operation.
Vapor sensor alarm has been
triggered.
[(02) Vapor Sensor]
When control with the Vapor
temperature sensor was enabled,
operation was started without
connecting it.
Connect the Vapor temperature sensor.
Or change the setting to disable the Vapor
temperature sensor.
When operation with control with the
Vapor temperature sensor was
enabled, the sensor was removed.
Connect the Vapor temperature sensor.
When control with the Vapor
temperature sensor was enabled, a
malfunction occurred to the Vapor
temperature sensor during operation.
Replace the Vapor temperature sensor.
Pressure sensor alarm
occurred.
[(03)Pressure Sensor]
A pressure outside the measurement
range was measured during any of the
operation modes and operation was
stopped.
Similar alarm might occur if
operation is started with wrong piping
connection to the diaphragm vacuum
pump or the decompression
container.
Remove the vacuum hose from the
evaporator and inspect the whole
connection path along the vacuum hose.
Press the [Clr] key to release the alarm.
*If the pressure sensor alarm recurs soon
even if the alarm has been released, contact
your dealer or nearest service center.
The leak alarm
occurred.
[(04) Leak]
The Leak nozzle is clogged.
Check for foreign objects in the leak
nozzle.
High pressure alarm
occurred.
[(05) High Pressure]
The suction and the discharge pipes
to the vacuum pump are switched.
Remove the pipes to the vacuum pump and
the decompression container, check the
suction/discharge and the reconnect the
pipes.
Data error occurred.
[(06) EEPROM DATA]
A data error occurred in the non-
volatile memory on power on.
Turn power OFF once, wait for several
seconds and then turn it ON again.
If the data error recurs, initialize the non-
volatile memory.
*See P.38 for initialization.
The memory write error
occurred.
[(07) EEPROM WRITE]
An error occurred during write to the
data in the non-volatile memory.
Contact your dealer or nearest service
center.
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