Troubleshooting
90
Platinous User’s Manual
Displayed Alarm
Code/Channel
Code (option)
Trouble Cause Remedial Action
BLOWER
FAILURE
(7)
The built-in temperature
switch of the air circulator
motor (water circuit (heat
exhaust) compartment)
tripped because the
motor is abnormally hot.
The chamber has been
stopped.
Overloaded air
circulator
motor.
Leave the chamber OFF until the
air circulator cools down. Then,
turn control power ON from the
POWER key and resume testing.
REFRIG. :
HIGH PRESSURE
FAILURE
(8)
The high pressure switch
tripped because
refrigerator pressure was
high. The chamber has
been stopped.
The
refrigerator’s
operating
pressure is
higher than
specified.
Turn control power OFF from the
POWER key. With air-cooled
refrigerators, check if the
condenser is clogged and confirm
that the condenser fan is
operating. With water-cooled
refrigerators, check cooling water
temperature and flow rate.
Correct as necessary and resume
testing. If the same alarm occurs
again, call for service.
REFRIG. :
OVERCURRENT
FAILURE
(8)
The thermal relay tripped
because refrigerator
operating current was
high. The chamber has
been stopped.
The
refrigerator’s
operating
current is
higher than
specified.
Turn control power OFF from the
POWER key. Turn off main
disconnect. Check if the
overcurrent device CMP1/CMP2
is tripped. Correct as necessary
and resume testing. If the same
alarm occurs again, call for
service.
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