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Sharp SB-29S - User Manual

Sharp SB-29S
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SHARP SERVICE MANUAL
HOT & COLD WATER DISPENSER
MODEL SB-29
SB-29S
In the interests of user-safety (Required by safety
regulations in some countries) the set should be restore
to its original condition and only parts identical to those
specied should be used.
SHARP CORPORATION
TABLE OF CONTENTS
PARTS IDENTIFICATION AND SPECIFIC INFORMATION ...................................................
CAUTIONS FOR USE .............................................................................................................
IMPORTANT SAFETY INSTRUCTIONS ................................................................................
WIRING DIAGRAM AND CIRCUIT DIAGRAM .......................................................................
COOLING SYSTEM DIAGRAM AND HOT SYSTEM DIAGRAM ...........................................
COMPONENT REPLACEMENT PROCEDURE .....................................................................
TROUBLESHOOTING ............................................................................................................
SERVICE PARTS LIST ...........................................................................................................
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Questions and Answers

  • P
    paula14Aug 16, 2025
    What to do if my Sharp SB-29S is leaking?
    • B
      Brooke PerezAug 16, 2025
      If your Sharp Water Dispenser is leaking, it could be due to a few reasons. It might be a cracked plastic bottle, in which case you should replace the bottle. Alternatively, the reservoir could be damaged, requiring repair or replacement. Finally, check the faucet and gasket for looseness or damage; repair or replace them as needed.
  • S
    stewartsteveAug 18, 2025
    Why is my Sharp SB-29S Water Dispenser not dispensing cold water and the compressor isn't running?
    • B
      Brittany WhiteAug 19, 2025
      If your Sharp Water Dispenser isn't dispensing cold water and the compressor isn't running, several issues could be the cause. First, ensure the dispenser is plugged into the outlet. If it is, there might be faulty wires, which would need to be repaired or the power cord assembly replaced. Other potential causes include a faulty starting relay (replace it), a faulty compressor overload (replace it), or a faulty compressor (replace it).
  • M
    Michael WilliamsAug 22, 2025
    What to do if my Sharp SB-29S has no cold water but the compressor is running?
    • A
      Anthony MaxwellAug 22, 2025
      If your Sharp Water Dispenser isn't dispensing cold water but the compressor is running, the issue might be a refrigerant leak, in which case you should repair or replace the parts involved with the refrigerant system. It could also be a restriction in the capillary line or strainer; repair or replace these components. A faulty compressor can also be the cause; consider replacing it.
  • C
    Carol HerringAug 25, 2025
    How to fix a noisy Sharp SB-29S Water Dispenser?
    • V
      Valerie SullivanAug 26, 2025
      If your Sharp Water Dispenser is running noisily, it could be due to vibrations caused by loose screws; tighten the screws. Vibrations at the refrigeration lines could also be the problem; fit the refrigeration lines. Another cause could be a faulty compressor, which may need to be repaired or replaced.
  • S
    Shannon GibsonAug 28, 2025
    What to do if my Sharp Water Dispenser tank cooler overflows?
    • J
      jonathan36Aug 28, 2025
      If your Sharp Water Dispenser's tank cooler is overflowing, it could be due to a cracked plastic bottle, which should be replaced. Also, if you turn over the bottle when the tank cooler is full, decrease the water to remain a half.
  • J
    James ShepherdAug 31, 2025
    Why is my Sharp Water Dispenser leaking hot water?
    • C
      Christine RobbinsAug 31, 2025
      If your Sharp Water Dispenser is leaking hot water, it could be due to a faulty heater tank leak, in which case you should replace the heater tank. It could also be due to a faulty space tank that is cracked, in which case you should repair the space tank.
  • B
    Benjamin MillerSep 2, 2025
    Why is the water temperature of my Sharp SB-29S Water Dispenser kept low?
    • M
      Melinda CaseySep 2, 2025
      If the water temperature in your Sharp Water Dispenser is consistently low, it could be due to a disconnection in the heating circuit, which requires replacement, or erroneous wiring, which needs repair.
  • D
    Dale JonesSep 6, 2025
    What to do if my Sharp SB-29S Water Dispenser continues to boil?
    • V
      vegalindaSep 6, 2025
      If your Sharp Water Dispenser continues to boil, it could be due to erroneous wiring, which needs repair, or poor operation, requiring replacement.
  • L
    lewisdavidSep 9, 2025
    Why does the hot indicator lamp on my Sharp SB-29S Water Dispenser light up all the time?
    • K
      Keith JonesSep 9, 2025
      If the hot indicator lamp on your Sharp Water Dispenser is always lit, it could be due to a faulty PCB Hot display, which needs to be repaired.
  • T
    teresawatersSep 12, 2025
    What to do if there is oil on the refrigerant lines of my Sharp SB-29S?
    • F
      Frank BentleySep 12, 2025
      Unplug service cord and contact refrigeration repairman.

Summary

PARTS IDENTIFICATION

SPECIFIC INFORMATION

CAUTIONS FOR USE

IMPORTANT SAFETY INSTRUCTIONS

WIRING DIAGRAM

CIRCUIT DIAGRAM

COOLING SYSTEM DIAGRAM

HOT WATER SYSTEM DIAGRAM

COMPONENT REPLACEMENT PROCEDURE

REMOVE OF PTC RELAY

Step-by-step guide for safely removing the PTC relay.

REMOVE OF THERMO MOTOR

Procedure for disconnecting and removing the thermo motor.

REMOVE OF POWER CORD ASSY

Steps to safely disconnect and remove the power cord assembly.

REMOVE OF THERMOSTAT

Guide to removing the thermostat unit from its mounting.

REMOVE OF FUSE ASSY

Instructions for safely removing the fuse assembly.

REMOVE OF PANEL B-A AND FAUCET ASSY

Procedure for disassembling panels and faucet units.

REMOVE OF TEMP. FUSE ASSY

Steps to remove the temperature fuse assembly.

REMOVE OF THERMOSTAT (42°C, 93°C)

Details for removing specific temperature thermostats.

REMOVE OF PCB HOT DISPLAY AND PCB COOL DISPLAY

Guide for removing the hot and cool display circuit boards.

REMOVE OF FAUCET CONNECTOR AND TANK CONNECTOR

Steps to detach faucet and tank connectors.

REMOVE OF SIDE PLATE L-R

Procedure for removing left and right side panels.

REMOVE OF SPACE TANK

Instructions for removing the internal space tank.

REMOVE OF HEATER TANK ASSY

Steps to remove the heater tank assembly.

REMOVE OF HEATER SET ASSY

Procedure for removing the heater set assembly.

REMOVE OF FILTER DRIERS

Steps for removing the filter driers unit.

REMOVE OF COMPRESSOR

Guide for safely removing the compressor unit.

TROUBLESHOOTING

SERVICE PARTS LIST

Sharp SB-29S Specifications

General IconGeneral
BrandSharp
ModelSB-29S
CategoryWater Dispenser
LanguageEnglish

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