QBD COOLING SYSTEMS INC.
21
08 -2015
47-0480-192-N
Blowing Fuse
•
Power cord is cut and grounding out
•
Defective Compressor
•
Defective Overload
•
High Voltage
•
Low Voltage
•
Replace power cord
•
Replace compressor
•
Replace overload
•
Correct voltage condition
•
Ensure cooler plugged into dedicated supply
with properly sized circuit. (Correct
voltage condition)
Suction line frosted
•
Evaporator fan not working
•
Overcharged system
•
Determine reason or replace if required
•
Correct the charge
Leaking Water
•
Very Humid Conditions
•
Blocked Drain
•
Electrical condensate pan failure
•
Clear blocked drains
•
Repair and replace electrical condensate pan
Evaporator Freeze Up
•
Temperature Controller set too cold
•
Blocked/Restricted Air Flow
•
Defective Evap Motor/ Running at low
speed
•
Blocked Drain
•
Low refrigerant charge
•
Deck not in locked position
•
Adjust to higher temperature setting (lower
number)
•
Remove source of blockage
•
Replace Evap Motor
•
Clear blocked drain
•
Repair/Recharge system
•
Lock deck in position and secure with locking
bar
Controller
mis-communication
•
Internal controller failure
•
Voltage spike
•
Replace Controller & Probe
