Vinotemp WINE-MATE VINO3500HZD Service Manual page 21

a. Improper room insulation & seal
6. "HA" alarm
blinking and
b. Room too large
beeping,
c. Ambient temperature too high
temperature
d. Exhaust restricted
high or not
cooling and
running
e. Malfunctioning fans
continually
f.
g. Dirty Condenser
h. Iced evaporator
i.
j.
k. Undercharge or overcharge
l.
a. Improper room insulation & seal
7.Unit running
too long
b. Exhaust restricted
c. Room too large
d. Ambient temperature higher >
e. Dirty Condenser
a. Post-compressor
8.Fan motor
running but
b. Incorrect power supply
compressor
c. Incorrect or loose wirings
not running
d. Failed components
e. Liquid
a. Fan blade stuck
9.Compressor
b. Incorrect or loose wirings
running but
c. Failed motors
fan not
running
a. Evaporator air flow restriction
10.Evaporator
b. Not stopping due to air leak, high
Icing
c. Low ambient temperature
d. Bad thermostat or sensor
e. Moisture in the system
Improper evaporator
condenser airflow
Refrigeration system restriction
Refrigerant leak
Failed components
°
90 F
fan
mode
refrigerant
compressor
ambient temperature
setting
- 20 -
a. Check for insulation, gasket and
door opening
b. Check for excessive size
c. Check for installation location
d. Leave minimum 3 feet clearance for
the exhaust
minimum 1 foot clearance for the
fresh air intake side
e. Check for both evaporator and
condenser fans
or f. Check for air restrictions
g. Clean condenser
h. Defrost and reset temperature
i. Call service
restrictions
j. Call service for checking loss of
refrigerant
k. Call service to add or remove
refrigerant
l. Check compressor windings, start
relay and overload protector
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
increase setting
e. Clean condenser
running a. Check for fan running time FON
b. Check for proper voltage
c. Check all wirings and connections
d. Check start relay, start capacitor,
overload protector, compressor.
in the e. Call service for OEM information.
a. Check for proper clearance
b. Check all wirings
c. Call service for checking open or
shorted windings
a. Check for fans
b. Check for seal, door opening,
or low ambient temperature and setting
c. Defrost unit
d. Check for thermostat and sensor
e. Working initially then stopping
side and leave
for checking