Wine & Beverage Coolers: Troubleshooting Solutions Guide
Note: This Troubleshooting Chart is not prepared to replace the training required for a professional refrigeration service person, not is it comprehensive.
- Unit not running
- Unit not turning on again and temperature going up
- Light not working
- Temperature too low
- Temperature too high
- Temperature fluctuating
- Excessive moisture on glass
- Top and bottom temperatures getting too close
- Unit running too long or evaporator iced
- Compressor stopping and starting, nut short running time
- House circuit tripping
- Noise operation
1. Unit not running
| Possible Causes |
Response |
|
a. Power cord unplugged
b. No power at all
c. If display lighting, temp setting high
d. If temp setting ok, sensors or control board bad
e. Compressor unit malfunctioning
|
a. Check for power cord plug
b. Check receptacle voltage & fuses
c. Lower temperature setting
d. Call service for replacing sensors or control board
e. Call service for component check
|
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2. Unit not turning on again, and temperature going up
| Possible Causes |
Response |
|
a. Control board malfunctioning
|
a. Call service for replacing control board
|
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3. Light not work ing
| Possible Causes |
Response |
|
a. Power cord unplugged
b. Starter bad
c. Light tube bad
d. Switch malfunctioning
|
a. Check for power cord plug
b. Change starter
c. Change light tube
d. Call service for replacing display board
|
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4. Temperature too low
| Possible Causes |
Response |
|
a. Evaporator iced
b. Surrounding temperature low
c. Bottom temperature sensor bad
d. Control board malfunctioning
|
a. Unplug for deicing
b. Raise temperature setting
c. Call service for replacing sensor
d. Call service for replacing control board
|
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5. Temperature too high
| Possible Causes |
Response |
|
a. Surrounding temperature high
b. Improper condenser airflow.
c. Dirty Condenser
d. Evaporator Iced
e. Improper seals
f. Improper area to be cooled
g. Low voltage
h. Condenser fan malfunctioning
i. Refrigerant leakage
|
a. Lower temperature setting
b. Check for air flow restrictions
c. Clean condenser
d. Unplug and defrost evaporator
e. Check for gasket and doors opening
f. Check for excessive load or incorrect installation
g. Check power supply
h. Call service for replacing fan
i. Call service for checking the system
|
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6. Temperature fluctuating
| Possible Causes |
Response |
|
a. Compressor on and off
|
a. It will be within 5 ° F
|
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7. Excessive moisture on glass
| Possible Causes |
Response |
|
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
|
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8. Top & bottom temperatures getting too close
| Possible Causes |
Response |
|
a. Compressor idle
b. Evaporator iced
c. Condenser airflow restricted
d. Dirty condenser
e. Condenser fan malfunctioning
|
a. Wait for compressor on
b. Unplug and defrost evaporator
c. Check for airflow restriction
d. Clean condenser
e. Call service for replacing fan
|
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9. Unit running too long or evaporator iced
| Possible Causes |
Response |
|
a. Surrounding temperature high
b. Improper condenser airflow.
c. Dirty Condenser
d. Evaporator Iced
e. Improper seals
f. Improper area to be cooled
g. Low voltage
h. Condenser fan malfunctioning
i. Refrigerant leakage
|
a. Raise temperature setting
b. Check for air flow restrictions
c. Clean condenser
d. Unplug and defrost evaporator
e. Check for gasket and doors opening.
f. Check for excessive load or incorrect installation
g. Check power supply
h. Call service for replacing fan
i. Call service for checking the system
|
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10. Compressor stopping and starting, but short running time
| Possible Causes |
Response |
|
a. Incorrect voltage
b. Improper condenser airflow
c. Dirty condenser
d. Condenser fan malfunction
|
a. Check for voltage
b. Check for airflow restriction
c. Clean condenser
d. Call service for replacing fan
|
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11. House circuit tripping
| Possible Causes |
Response |
|
a. Incorrect fuse or breaker
b. Incorrect wirings
c. Failed component
|
a. Check for proper fuse or breaker
b. Check wirings and connections
c. Call service for checking components
|
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12. Noisy operation
| Possible Causes |
Response |
|
a. Mounting area not firm
b. Compressor overloaded due to high ambient temperatures or airflow restriction.
c. Compressor and fan malfunctioning
|
a. Add support to improve installation.
b. Internal loose, inadequate lubrication, improper voltage, airflow blockage.
c. Call service
|
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