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• The lighting switch is on
• Fluorescent lamp or the starter of the device are not burnt
Equipment does not reach the appropriate temperature, the lighting is on:
Make sure that:
• The main switch is turned on
• The temperature setting on the controller is set correctly
• The controller is operating properly
• The condenser is not filthy, and clean it when necessary
• The ambient temperature does not exceed 35 °
• Enough time has passed for products to be cooled
• The cabinet does not have too many products and does not exceed the maximum freezing capacity
• The door hardware closes correctly and the sealant is adjacent to the hardware case
• Check that the ventilation openings are not blocked
• Check whether the evaporator is not flooded. If necessary, complete preventive defrosting of equipment, pre-shifting the products to
another location with the appropriate mode.
The equipment is working too loud:
Make sure that:
• The device is standing stably and is properly levelled
• Furniture adjoining the device do not vibrate when the compressor is working
• Internal elements have been properly mounted
Dirty condenser alarms (cht, CHt):
cht
- pre-alarm indicating that condenser is dirt. cht is shown on the display, alternating with the current temperature while cabinet
operates normally. The alarm will be reset when temperature is normalized.
CHt
- dirty condenser alarm. Alarm indicates that condenser is dirty and the condenser temperature is high. CHt switch off the compressor
and switch on the alarm (to reset the alarm press «SET»). CHt is shown on the display, alternating with cht and the current temperature.
WARNING! The “CHt” alarm can only be reset manually by switching the unit off (on power-up, if the temperature is still above
the normal, the alarm will go on again).
dor
- door alarm. When the door is opened, the controller will start counting the pre-alarm time and block operation of the ventilator.
When time is over, the alarm will be activated immediately and the display will show “dor” alternating with the temperature reading.
Ventilator resumes its operation. The alarm will be reset when the door is closed.
(«CAREL» controller only) Signs E0/E1/L0/HI/EE/Ed/DF on the electronic controller`s display:
