CellarPro 4200VSX WINE COOLING UNIT (EXTERIOR), 1080 - Manual (Page 31)

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4. Raise the Minimum Set Point of the cooling unit.
5. Check to make sure the cellar has airtight seals, including the door(s), light
fixtures, and all walls, ceiling and floor.
HA2 Alarm Has Been Triggered
The cooling unit is designed to measure the temperature of the condenser coils
and, if the temperature exceeds 140°F, the HA2 alarm will display on the control
panel.
If this alarm happens when you first receive and start operating your CellarPro
cooling unit, check for appropriate installation and ventilation (Chapter II).
Also, make sure that there aren’t any obstructions to the intake and/or exhaust
vents. If your wine cabinet has a grill, remove the grill and/or any other
obstructions above (top vent) or behind (back vent) the cellar.
If the alarm happens in conjunction with hot ambient conditions, we
recommend doing the following:
1. Raise the Minimum Set Point to 60°F until temperatures cool down
2. Increase the Fon setting
3. Increase the fan speed to High
If the cooling unit has been operating for several months without any problems
and the alarm occurs, check the condenser filter and clean or replace if necessary.
LA2 Alarm has been triggered
As noted above, the cooling unit is designed to measure the temperature of
the condenser coils and, if the temperature drops below a certain point, the LA2
alarm will display on the control panel. Please call CellarPro at 877.726.8496 if
this alarm occurs.
Cooling Unit Won’t Turn On
The cooling system is programmed with a 3-Minute Delay at Startup to
protect its internal components.