Vinotemp WINE-MATE VINO-2500SSR Installation & Operation Manual page 17

4. Unit running too long or continually
a. Improper room insulation & seal
b. Exhaust restricted
c. Room too large
d. Ambient temperature higher > 90
e. Improper evaporator or condenser
airflow
f. Dirty Condenser
g. Iced evaporator
h. Malfunctioning fans
i. Sealed system problem
j. Undercharge or overcharge
5. Unit stopping and starting but short running time
a. Incorrect temperature setting
b. Incorrect voltage
c. Failed thermistor
d. Failed components
e. Improper condenser airflow
f. Dirty condenser
g. Overcharge of refrigerant
h. Discharge or suction pressure too
high
6. No cooling but unit running
a. Evaporator airflow restriction
b. Refrigerant leakage
c. Refrigeration system restriction
7. Evaporator Icing
a. Evaporator air flow restriction
b. Unit not stopping due to air leak,
high ambient temperature or low
setting
c. Low ambient temperature
d. Bad thermostat or sensor
e. Refrigerant leaking
f. Expansion valve blockage
8. Circuit tripping
a. Incorrect fuse or breaker
b. Incorrect wirings
c. Failed components
9. Noisy operation
a. Check for insulation, gasket and door
opening
b. Leave minimum 3 feet clearance for
the exhaust side and leave minimum
1 foot clearance for the fresh air
intake side
c. Check for excessive size or increase
setting
d. Check for installation location or
°
F
increase setting
e. Check for air restrictions
f. Clean condenser
g. Defrost and reset temperature
h. Check for both evaporator and
condenser fans
i. Call service for checking loss of
refrigerant or restrictions
j. Call service to add or remove
refrigerant
a. Set 55 to 60
b. Check for voltage
c. Check thermistor by placing it in ice
water and measuring resistance
d. Check compressor windings, start
relay and overload protector.
e. Check for condenser fan
f. Clean condenser
g. Call service for removing refrigerant
h. Call service for OEM information
a. Check for airflow through evaporator
b. Check for loss of refrigerant
c. Call service for checking restrictions
a. Check for fans
b. Check
ambient temperature and setting
c. Defrost the unit
d. Check for thermostat and sensor
e. Check for sealed system leakage
f. Check for low side pressure
a. Check for proper fuse or breaker
b. Check for wirings and connections
c. Call service
- 16 -
°
F
for seal, door opening,