625 |
CT outrange |
Description |
Cold Treatment out of range |
Cause |
Indication of insufficient yield or defective controller |
Trouble
shooting |
Possible causes:
- Difference between treatment setpoint and maximum USDA temperature too small.
- Container doors are open.
- Other alarms active.
- Not enough refrigerant for the compressor.
- Defective or jammed evaporator motors.
- Defective or jammed condenser motor.
Accompanied alarms:
- Other alarms may be active, especially USDA sensor alarms AL 109 to AL 120.
Trouble shooting:
The unit will continue the cooling but the next steps could be checked anyway.
- Larger difference between treatment setpoint and maximum USDA temperature: (A)- Treatment setpoint must be cooler. (B)- Maximum USDA temperature must be warmer. Attention: Will require a longer duration!!
- Close container doors.
- Check and clear other alarms first.
- Check if there is enough refrigerant in the unit.
- Check if the condenser is filled with dirt and blocking air circulation.
- Check if evaporator motors can rotate. Watch fingers – turn unit off first!
- Check if condenser motor can rotate. Watch fingers – turn unit off first!
|
Criteria |
USDA measured temperatures are no longer in-range |
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