8
Troubleshooting
Trouble
Causes
Solutions
Strange noise under the
bottom shelf.
Fan blade broken.
Power off and fix the blade.
Non-refrigerating in spite of
normal operation.
Unit off.
Power on.
Melting process.
Stop melting.
Refrigerant leaking.
Patch the leak and refill refrigerant.
Unit failure.
Call Omcan.
Weak air from air curtain,
and higher cabinet
temperature.
Evaporator blocked by frost.
Increase melting frequency.
Inside fan damaged.
Replace the fan.
Too low point of temperature
controller.
Adjust the set point.
Vent blocked by storage.
Remove the storage.
Normal air curtain, but
higher cabinet temperature.
Insufficient refrigerant.
Refill the refrigerant.
Too high set point of temperature
controllers.
Adjust the set point for the
temperature controller.
The wind curtain disturbed by strong
air flow.
Removing the disturbing factors.
Ambient temperature or humidity
beyond standards.
Improve the conditions.
Maintenance
CLEANING THE FILTER
When message “EE4” appears on the display, please clean the filter immediately. If the error message still
appears after cleaning the filter, please contact Omcan.
INSTRUCTIONS FOR CLEANING THE FILTER
1. Remove the four screws from the top of the front grill.
2. Pull out the front grill.
3.
Take out the filter.
CHECK FOR LEAKS
Observe all connectors and welding joints for oil stains. This indicates that there is a leak, please call Omcan if
you notice any oil stains.
ALWAYS OBSERVE THE OPERATION OF THE UNIT, IN THE EVENT OF ANY ABNORMAL SOUNDS OR
SMELLS, OR IF THE UNIT BEGINS TO SMOKE, DISCONNECT THE UNIT FROM THE POWER SUPPLY
AND CALL OMCAN.
