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Bosch SMS40C02 - User Manual

Bosch SMS40C02
40 pages
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Table of Contents

Questions and Answers

  • F
    fuentesjamesAug 20, 2025
    What to do if my Bosch Air Handler unit is off due to high-pressure control?
    • D
      Danielle SmithAug 20, 2025
      If your Bosch Air Handler shuts off due to high-pressure control, consider these potential causes: * **High Discharge Pressure:** If in 'COOLING' mode, check for lack of or inadequate water flow, excessively warm entering water temperature, or a scaled/plugged condenser. If in 'HEATING' mode, check for lack of or inadequate load-side fluid flow, an inoperative blower, a clogged filter, or ductwork restrictions. * **Refrigerant Overcharge:** The unit may be overcharged with refrigerant. If this is the case, reclaim refrigerant, evacuate, and recharge with the factory-recommended charge. * **High-Pressure Switch:** Inspect the high-pressure switch for defects or improper calibration.
  • F
    fwoodsAug 30, 2025
    What to do if my Bosch Air Handler unit is short cycling?
    • G
      gary09Aug 30, 2025
      If your Bosch Air Handler is short cycling, here are some things to check: * **Unit Size:** The unit might be oversized. Recalculate the heating and/or cooling loads. * **Thermostat Placement:** If the thermostat is near a supply air grill, relocate it. Also, adjust the heat anticipator. * **Wiring and Controls:** Check for a defective or improperly calibrated low-pressure switch.
  • F
    Felicia CraigSep 4, 2025
    What to do if my Bosch Air Handler unit is off due to low-pressure control?
    • L
      Lauren LawsonSep 4, 2025
      If your Bosch Air Handler shuts down due to low-pressure control, consider these possible reasons: * **Low Suction Pressure:** If in 'COOLING' mode, check for lack of or inadequate airflow, too cold entering air temperature, an inoperative blower, a clogged filter, or ductwork restrictions. If in 'HEATING' mode, check for lack of or inadequate water flow, too cold entering water temperature, or a scaled/plugged condenser. * **Low Refrigerant Charge:** The unit may be low on refrigerant. Check for refrigerant leaks, repair them, evacuate the system, and recharge it with the factory-recommended charge. * **Low-Pressure Switch:** Inspect the low-pressure switch for defects or improper calibration.
  • J
    jeffreyperezNov 9, 2025
    What to do if my Bosch Air Handler unit does not run?
    • W
      William BrownNov 9, 2025
      If your Bosch Air Handler unit isn't running, there are several potential causes: * **Power Supply:** Ensure the disconnect is closed and power is applied. * **Blown Fuse/Tripped Breaker:** Replace any blown fuses or reset tripped circuit breakers, ensuring fuses are the correct size. * **Low Voltage Supply:** If the voltage is below the minimum specified on the unit's data plate, contact your local power company. * **Thermostat:** Set the fan to 'ON' to see if the fan runs. Set the thermostat to 'COOL' with the lowest temperature, the unit should run in cooling mode. Set it to 'HEAT' with the highest temperature; the unit should run in heating mode. If nothing happens, the thermostat might be miswired or faulty. Check for 24 volts between 'R' and 'C,' 'Y' and 'C,' and 'O' and 'C'...
  • J
    Jessica HoffmanNov 14, 2025
    Why is my Bosch Air Handler providing insufficient cooling or heating?
    • A
      Andrea WilliamsNov 14, 2025
      Several factors can cause insufficient cooling or heating in your Bosch Air Handler: * **Unit Size:** The unit might be undersized; recalculate heating and cooling loads and consider adding insulation and shading. * **Air Leaks:** Check for leaks in ductwork or ambient air entering through doors or windows. * **Airflow Issues:** Ensure adequate airflow and proper air distribution. Replace any dirty filters. * **Refrigerant Charge:** Low refrigerant charge can cause inefficient operation. * **Compressor Problems:** A defective compressor may not pump properly. Check if the discharge is too low and suction pressure is too high. If so, replace the compressor. * **Reversing Valve Issues:** A defective reversing valve can cause refrigerant bypass. Consider replacing it. * **Opera...
  • D
    deborah13Nov 24, 2025
    What to do if the blower operates but the compressor does not in my Bosch Air Handlers?
    • D
      Dana BlackNov 24, 2025
      If the blower in your Bosch Air Handler is running, but the compressor isn't, check the following: * **Thermostat:** Verify the thermostat's settings, calibration, and wiring. * **Wiring:** Look for loose or broken wires at the compressor, capacitor, or contactor. * **Safety Controls:** Check the UPM board red default L.E.D. for a Blink Code. * **Compressor Overload:** If the compressor is cool and the overload won't reset, replace the compressor. * **Compressor Motor Grounded:** If the internal winding is grounded to the compressor shell, replace the compressor. Install a suction filter dryer if the compressor is burnt out. * **Compressor Windings Open:** After the compressor cools, check the continuity of the compressor windings. If the windings are open, replace the compres...

Bosch SMS40C02 Specifications

General IconGeneral
Appliance placementFreestanding
Control panel colourWhite
Noise level48 dB
Number of washing programs5
AquaStop functionYes
Energy efficiency classA
Delay StartYes
Half Load OptionNo
Number of Programs5
Number of place settings12
Washing programsEco, Intensive, Quick
Width60 cm
Depth60 cm
Product sizeFull size (60 cm)

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