Vinotemp VINOSONOMA250 Manual
13
Troubleshooting
Troubleshooting Chart
Complaint Possible
Causes
Response
1. Unit not running
a. Power cord unplugged
b. No power to unit
c. Temperature
b. No power to unit
c. Temperature
setting
high
d. DOWN button lighting
e. UP button lighting
e. UP button lighting
a. Check for power cord plug
b. Check for power at receptacle and fuses
c. Lower
b. Check for power at receptacle and fuses
c. Lower
temperature
setting
d. Under
defrost
e. Call
service
2. Temperature too high or unit running too long
a. Surrounding temperature high
b.
b.
Improper evaporator or
condenser air flow.
condenser air flow.
c. Dirty
Condenser
d. Iced
evaporator
e. Improper
seals
f.
Improper area to be cooled
g. Refrigerant
leakage
h. Low
voltage
i.
Operating 60 Hz unit at 50Hz
a. Lower
temperature
setting
b. Check for air passage restrictions or
obstruction; Check for fans .
c. Clean dirty condenser
d. Defrost and reset temperature control
e. Check for gasket and doors opening.
f. Check for excessive load or incorrect
d. Defrost and reset temperature control
e. Check for gasket and doors opening.
f. Check for excessive load or incorrect
installation.
g. Call
for
service
h. Check power supply
i.
i.
The unit should be operating at 60 Hz
3. Compressor stopping and starting, but short running time.
a. Incorrect
voltage
b. Improper
condenser
airflow
c. Dirty
condenser
d. Failed
components
a. Check for voltage
b. Check for wrong motors, fan blades,
b. Check for wrong motors, fan blades,
binding and bearings.
c. Clean
condenser
d. Call
service
4. Excessive moisture on glass
a. Surrounding
humidity
high
b. Improper
seals
c. Often door opening
a. Raise
temperature
setting
b. Check for gasket and doors opening
c. Reduce door opening duration
c. Reduce door opening duration
5. House circuit tripping
a. Incorrect fuse or breaker.
b. Failed components or incorrect
b. Failed components or incorrect
wirings
a. Check for proper fuse or breaker
b. Check wirings and connections
b. Check wirings and connections
6. Noisy operation
a. Mounting area not firm
b. Compressor overloaded due to
b. Compressor overloaded due to
high ambient temperatures, or
airflow restriction.
airflow restriction.
a. Add support to improve installation.
b. Internal loose, inadequate lubrication,
b. Internal loose, inadequate lubrication,
improper voltage, airflow blockage.