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CCA-1111-CE

No display is shown when turning on power switch.

Symptom	Causes
Power plug is disconnected to outlet, or not connected to outlet completely.	Turn off residual current device and power switch, and connect power plug to outlet.
Power source is not supplied.	Turn on the breaker on distribution board.
Fuse has blown. (Excess current flows.)	Replace with new fuse. If that failure mode still remains after replacing the fuse, stop running the product immediately and contact your local dealer or closest customer service center.
Power switch is impaired.	Stop running the product immediately and contact your local dealer or closest customer service center.
Temperature controller is impaired.	Stop running the product immediately and contact your local dealer or closest customer service center.

Refrigeration unit does not work.

Symptom	Causes
Refrigeration unit is impaired.	Stop running the product immediately and contact your local dealer or closest customer service center.
SSR is impaired.	Stop running the product immediately and contact your local dealer or closest customer service center.
Water level lowers and cooling coil is exposed, which causes over load operation.	Refill the cool water. (Refer to「3.Filling cool water」on page 16.)
Protective timer for refrigeration unit works.	After passing the time, make sure that refrigeration unit works.

The unit is not cooled down.

Symptom	Causes
Refrigeration unit does not work.	Stop running the product immediately and contact your local dealer or closest customer service center.
Fan of refrigeration unit does not work.	Stop running the product immediately and contact your local dealer or closest customer service center.
Gas leaks.	Stop running the product immediately and contact your local dealer or closest customer service center.

The unit is cooled down poorly.

Symptom	Causes
Gas leaks.	Stop running the product immediately and contact your local dealer or closest customer service center.
Fan for refrigeration unit does not work.	Stop running the product immediately and contact your local dealer or closest customer service center.
Ambient temperature is higher than 35℃.	Set the temperature lower than 35℃.
Heat load is too heavy.	Reduce the load to the value that is within specified range.
Obstacle closer to the main units prevents emission and exhaust heat.	Set enough space around the unit. (Refer to「4-2. Condition 」on page 12.

Cool water does not circulate.

Symptom	Causes
Strainer in the cool water circulation bath has some dust.	Remove the dust.
Air is sucked in.	Remove drainage plug and make sure that cool water flows from drainage port, and put drainage plug again. Turn on and off the circulation pump for 2-3- times repeatedly to release the air. (Refer to「2. Starting operation」on page 18.
Stop valve is closed. (In case that any option is attached.)	Open the valve. (In case that any option is attached.)

Circulation volume is small.

Symptom	Causes
Hose is crushed.	Fix the hose.
Pressure loss of circulation system is too big.	Reduce pressure loss.
External circulating point is too high.	Adjust the position.

Bath is frozen at 7℃ or higher(setting temperature).

Symptom	Causes
Due to pressure loss of pipe, circulation volume is small and bath can not be stirred sufficiently.	Open stop valve. Use antifreeze.
Temperature controller is impaired or refrigeration unit does not stop.	Stop running the product immediately and contact your local dealer or closest customer service center.

Alarm is activated.
Refrigeration unit alarm is activated. Protective circuit for over load relay works.

Symptom	Causes
Ambient temperature exceeds 35℃.	Set the temperature lower than 35℃.
Heat load is out of the capacity of cooling capability.	Set the heat medium within specified range.
Dirt adheres to air filter.	Clean the filter.
Fan in the refrigeration unit does not work.	Check the status of the fan.
Voltage is too low. For voltage dipped.	Check the voltage.
Refrigeration unit is impaired.	1Reboot the unit adter about 10 minutes.

Alarm is activated.
Power failure alarm is activated.

Symptom	Causes
Power failure occurred during control.	Make sure to turn off the power switch after stopping control. Power failure alarm can be released by 「Set/Clear」key. *Power failure alarm is availale to select whether power failure alarm is activated or not.(Refer to P.28「How to set power failure alarm」)
Power Switch is turned off without stopping control.	Make sure to turn off the power switch after stopping control. Power failure alarm can be released by 「Set/Clear」key. *Power failure alarm is availale to select whether power failure alarm is activated or not.(Refer to P.28「How to set power failure alarm」)
For voltage dipped.	Check the voltage.

Alarm is activated.
Sensor alarm is activated.

Symptom	Causes
Sensor is disconnected.	Stop running the product immediately and contact your local dealer or closest customer service center.

Alarm is activated.
Uppter temperature limit alarm is activated.

Symptom	Causes
Poor stirring in the bath.	Refer to previous page and check the trouble, cause of the trouble and countermeasures for sections related to circulation system.
Refrigeration units is cooled down poorly.	Refer to previous page and check the trouble, cause of the trouble and countermeasures for sections related to refrigeration unit.

Alarm is activated.
Lower temperatuer limit alarm is activated.

Symptom	Causes
Poor stirring in the bath.	Refer to previous page and check the trouble, cause of the trouble and countermeasures for sections related to circulation system.

Alarm is activated.
Control gets stopped without activating alarm.
Description of indicator is uncertain.

Symptom	Causes
Due of to power source noise and etc, watch dog of controlling basal plate worked.	Change the power source and reboot the unit. If that failure mode still remains, stop running the product immediately and contact your local dealer or closest customer service center.
Ambient temperature exceeds 40℃.	Set the temperature lower than 40℃. If that failure mode still remains, stop running the product immediately and contact your local dealer or closest customer service center.

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