10
Troubleshooting
Maintenance
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.
Melting water overflows.
Heating pipe for melting water
damaged.
Replace the heating pipe.
Water level controller failure.
Replace the water level controller.
Ambient temperature or humidity
beyond standards.
Improve the conditions.
Normal air curtain, but
periodical fluctuation of
cabinet temperature.
Condenser contaminated.
Clean the condenser.
Poor venting of the unit.
Improve the venting conditions.
Heat protection of compressor failure.
Replace the heat protection.
Capillary is blocked by ice.
Replace the drying filter.
Temperature controller failure.
Replace the temperature controller.
SUPPLY AND CALL OMCAN.
