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Troubleshooting
6
For troubles other than the ones described in the following table,
please contact your dealer or nearest service center of Tokyo Rikakikai.
SYMPTOMS
CAUSES
SOLUTIONS
Power is not supplied.
When turning the Power
switch (earth leakage
breaker) ON, it is set to
OFF immediately.
Current leakage occurred.
Stop the operation immediately,
and contact your sales dealer
or nearest service center of
Tokyo Rikakikai.
Overcurrent is applied.
Failure in the indicators.
Failure in Power switch (earth leakage
breaker).
Refrigerator filter is clogged.
Clean up the filter.
Refer to 7.3, Cleaning and
Maintenance of Product
Refrigerator does not operate.
Refrigerator fan does not operate.
Cooling is not executed.
Gas is leaking.
Refrigerator does not
operate.
Overload relay holding circuit in
refrigerator is activated.
(Alarm lamp is lighted.)
Heating overload to the refrigerator
is too heavy. Lighten the load.
If ambient temp. is too high, lower
the room temp. to 35
°
C or less.
Failure in refrigerator
Air outlet on the rear face are blocked.
Ventilation is not working.
Cooling is insufficient.
Gas is leaking.
After the activation of timer,
make sure that the refrigerator
operates normally.
Refrigerator protection timer is activated
(for approx. 5 minutes)
Keep enough space behind
the equipment.
(Refer to 4-2. Installation Conditions
)
Ambient temperature exceeds 35
°
C
Heating overload to the refrigerator
is too heavy.
Adjust the heating overload to the
appropriate rated load.
Vacuum pump
does not operate.
Power plug for vacuum pump is not
plugged into the socket outlet for the pump
The switch on the main body of
the vacuum pump is not turned on.
Turn on the switch on the main
body of the vacuum pump.
Refer to 5-1, Preparation for Operation
Insert the plug into the socket outlet
for the pump. Refer to 5-1,
Preparation for Operation
When turning the Power
switch (earth leakage
breaker) ON, none of the
indicators are activated.
Stop the operation immediately,
and contact your sales dealer
or nearest service center of
Tokyo Rikakikai.
Stop the operation immediately,
and contact your sales dealer
or nearest service center of
Tokyo Rikakikai.
Stop the operation immediately,
and contact your sales dealer
or nearest service center of
Tokyo Rikakikai.
Refrigerator fan does not operate.
Lower the room temperature to
35
°
C or less.
Turn ON the breaker on power
board.