Vinotemp VT-WINEDISP4 User manual

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A P R O U D H E R I T A G E O F E X P E R I E N C E & Q U A L I T Y
VT- W I N E D I S P 4
VT- W I N E D I S P 4 S S
VT- W I N E D I S P 2
S e r v i c e
M a n u a l

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TABLE OF CONTENTS
VT-WINEDISP2&4 TROUBLESHOOTING ..........................................3
Compressor (VT-WINEDISP2&4)..................................................13
Condenser (VT-WINEDISP2&4) ...................................................13
Display/Control Circuit Board (VT-WINEDISP2) .............................. 14
CHANGING THE TEMPERATURE SENSOR.......................................19
CHANGING THE WINE VALVE ......................................................21
CHANGING THE PRESSURE REGULATOR .......................................29

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VT-WINEDISP2&4 TROUBLESHOOTING
1. Dispensing System
Complaint
Possible Causes
Response
Gas leak, one
canister only
dispensing 1~2
bottles or lasting
only 1~2 days
a. Canister not tightened
b. Canister is not fully filled
c. Canister gasket unaligned,
damaged or missing
d. Canister pressure
regulator leak
e. Internal gas tube
damaged, not tightened at
the valves and regulator
f. If gas continues to escape
from the gas tube, gas
valve stuck open
a. Turn the canister clockwise all the
way
b. Change a new canister
c. Align or change the gasket
d. Check for gas escaping at
regulator, tighten gas tube or
regulator if necessary
e. Check and change the internal
gas tube
f. Check for gas valve & wirings
Unit not
dispensing
a. If all spouts don’t dispense
wine: argon/nitrogen
canister empty due to
canister gasket, pressure
regulator leak
b. If all spouts don’t dispense
wine and the canister has
pressurized gas: defective
pressure regulator or
kinked gas tube
c. Bottle neck not tightened
or defective bottle plug
d. Wine tube kinked
e. Defective gas solenoid
valve or incorrect wiring
f. Defective wine solenoid
valve or incorrect wiring
g. Incorrect or loose wirings,
defective power board or
control board.
a. Check for canister pressure
gauge, or turn the canister
slightly counter-clockwise to see
if any gas escaping and then turn
clockwise to tighten
b. Check the piecing tube and gas
tube at the canister regulator
c. Press button to check if gas
escaping from the plug and fixer
d. Check for wine tube
e. Press button to check if gas
escaping out of the gas tube;
otherwise check the wirings or
replace it.
f. Use citric acid with water to clean;
otherwise check the wiring or
replace it.
g. Check all wirings and connections
Dispensing
interrupted or
slow
a. If all spouts dispense wine
slow: argon/nitrogen low
b. Bottle neck not tightened
c. Gas tubes kinked, twisted
d. Spout clogged
e. Wine tubes kinked, twisted
f. Gas solenoid valve
restricted
g. Wine solenoid valve
restricted or dirty
a. Check pressure and change a new
canister
b. Press button to check if gas
escaping from the plug and fixer
c. Check the gas tube
d. Check spouts and clean them
e. Check the wine tubes
f. Remove bottle, press button to
check if gas escaping out of gas
tube
g. Use citric acid with water to clean
the system; otherwise check the

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wiring or replace it
Wine spurting or
spitting
a. If all spouts spurt wine:
gas pressure too high
b. Wine tube restricted
c. Bottle near empty and too
much gas in the bottle
d. Wine solenoid valve dirty
a. Reduce the pressure to 3~5 psig
b. Check any restrictions
c. Change a new bottle
d. Clean solenoid valves
Bottle leaking
a. If all bottles leak wine:
gas pressure too high
b. Bottle plug not tighten or
defective
a. Check for defective pressure
regulator
b. Check bottle plug
Wine dripping
a. If there is only a few
drippings, air is trapped
due to spout loose
b. If there is only a few
drippings, bottle may be
empty
c. If there is a considerable
amount of drippings, wine
solenoid valve is dirty or
debris is left in the valve
seat
a. Pull the spout out and push it
back.
b. Change new bottle
c. Dispense a bottle of warm water
to clean the system; check the
valve for debris
Wine pouring
continually
a. If wine pours continually
then stops, wine valve is
stuck open.
b. If wine pours continually
and doesn’t stop, then
both gas and wine valve
open.
c. If wine pours continually
and doesn’t stop, then
both gas and wine valve
stuck open.
a. Clean or change wine valve
b. If the problem occurs when the
unit is turned on, change power
I/O board.
c. If the problem occurs when the
unit is turned off, change both
gas and wine valves.
Wine divided
a. Debris in spout
a. Clean debris
Too much bubble
a. Argon/Nitrogen pressure
too high
a. Reduce the pressure or replace
pressure regulator
2. Cooling System
Complaint
Possible Causes
Response
Unit not
running
a. Power cord unplugged
b. Power switch off
c. No power to the outlet
d. Incorrect and loose wirings
a. Check for power cord
b. Turn on the switch (it lights)
c. Check for power at the outlet and
fuse
d. Check for wirings and connections at
power switch and power board;
power switch itself
Unit running
high
temperature
continually
a. Improper Door seal
b. Ambient temperature high
c. Improper condenser air flow
d. Refrigeration system
problems
a. Check for door opening and gasket
b. Check for installation location
c. Check for fan and clearance
d. Call customer service
Unit running
a. Setting too high
a. Lower temperature setting

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high
temperature
and cycling
on/off
b. Temperature sensor
touching the cold panel
b. Displaying temperature is correct but
cabinet temperature is high
Unit running
low
temperature
a. Temperature setting too low
b. Temperature sensor fault
c. Unit Iced
d. Power board fault
e. Display/control board fault
a. Raise the setting
b. Insert the sensor in a cup of iced
water to see if displaying 32°F
c. Unplug unit to defrost
d. Change a new board
e. Change a new board
Not cooling
but
compressor
running
a. Refrigerant leakage
b. Refrigeration system
restriction
a. Call service for checking loss of
refrigerant
b. Call service for checking restrictions
Not cooling &
compressor
not running
a. Start relay, overload
protector, compressor, or
wirings
a. Call service
Unit running
noisy
a. Installation area not firm
b. Any screws, nuts and metal
parts loose
c. Fan blade hitting other parts
d. Fan fault
e. Compressor fault
a. Check for level and flat
b. Check for noise sound source if
coming from fan mount, compressor
mount and tubing loose
c. Check for blade clearance
d. Check for fan blade broken and
motor bearing noise
e. Call customer service

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3. Parts and descriptions
4. How to install the bottle
Step 1

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Step 2
Step 3

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Step 4
5. How to install the gas canister
Step 1 Remove used one (turn it counter-clockwise)

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Step 2
Step 3 Place new one (turn it clockwise until tight)

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6. Canister regulator
Canister Regulator (VT-WINEDISP2&4)
7. Gas and wine valves
Gas and Wine Valves (VT-WINEDISP2)

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Gas and Wine Valves (VT-WINEDISP4)
8. Power switch
Power Switch (VT-WINEDISP2)

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Power Switch (VT-WINEDISP4)
Power Switch (Inside)

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9. Compressor
Compressor (VT-WINEDISP2&4)
10. Condenser
Condenser (VT-WINEDISP2&4)
11. Display/control circuit board

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Display/Control Circuit Board (VT-WINEDISP2)
Display/Control Circuit Board (VT-WINEDISP4)

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12. How to replace power I/O circuit board
Remove 4 screws that hold the condenser
Pull out the condenser at the left side

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Remove 2 screws that hold the circuit board
Mark all the cables and then unplug them; replace the circuit board

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13. Power I/O circuit board
Power I/O Circuit Board (VT-WINEDISP2)
1-120VAC;
2-Compressor;
3-Fan;
4-Wine & Gas Valve-1 (Your Left 1st Spout);
5-Wine & Gas Valve-2 (Your Left 2nd Spout);

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Power I/O Circuit Board (VT-WINEDISP4)
1-120VAC;
1-120VAC;
2-Compressor;
3-Fan;
4-Wine & Gas Valve-1 (Your Left 1st Spout);
5-Wine & Gas Valve-2 (Your Left 2nd Spout);
6-Wine & Gas Valve-3 (Your Left 3rd Spout);
7-Wine & Gas Valve-4 (Your Left 4th Spout);
8-Temperature Sensor
9-Display/Control Board

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CHANGING THE TEMPERATURE SENSOR
Remove screws.
Lift the cover
Under the cover, you will find the temperature sensor. Remove the silicone.

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Power board of newer wine dispensers.
Power board of older wine dispenser models.