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Bosch Error Code Force button 6 s: Force button held 6 seconds – manual defrost test (Heat Pump)

Updated · by Aurora Star Tech Inc.

Bosch error code Force button 6 s on a heat pump means: Force button held 6 seconds - manual defrost test. It is also called Bosch diagnostic code Force button 6 s.

Low severityHeat PumpBosch IDS 2.0 · Bosch IDS Light · Bosch IDS Premium Connected

Homeowner? What Bosch code Force button 6 s means for you

Usually minor Your heat pump is reporting: Force button held 6 seconds - manual defrost test. This code is usually informational or minor. The safe checks below often clear it; call us if it keeps showing up.

Safe things you can check yourself

  • Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
  • Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.
  • Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
  • In winter, keep snow and ice off and away from the outdoor unit. A short defrost cycle with steam is normal.
  • Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.

Call (647) 657-2977Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Bosch error code Force button 6 s mean?

Holding the FORCE button for 6 seconds on the outdoor board starts a forced defrost test. The unit has to be in a heating call and must already have run for 8 minutes or more. Defrost starts after about 40 seconds and the display shows dF. The test ends by itself and the display goes back to the running speed.

Applies to: BOVA IDS 2.0, IDS Premium Connected and IDS Light heat pumps

Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

Bosch models that use code Force button 6 s

BOVA-36HDN1-M20GBOVA-60HDN1-M20GBOVA15-24BOVA15-36BOVA15-60BOVA36-20BOVA60-20

Other Bosch Heat Pump codes

CodeMeaning
F1High pressure switch protection
F2System lockout (5 low-pressure trips in 100 minutes)
F4Pressure transducer fault
F41High pressure sensor fault
F42Low pressure sensor fault
Force buttonForce button - forced cooling/heating (charge mode)
Force mode displayForce (charge) mode running
Gateway Bluetooth LED 1 blinkGateway Bluetooth LED 1 blink - pairing mode
Gateway Bluetooth LED 2 blinksGateway Bluetooth LED 2 blinks - advertising mode
Gateway Bluetooth LED solidGateway Bluetooth LED (blue) steady - connected
Gateway cellular LED blinkingGateway cellular LED (amber) blinking - weak signal
Gateway cellular LED solidGateway cellular LED (amber) steady - good signal

All Bosch Heat Pump error codes →

Bosch code Force button 6 s: homeowner questions

What does Bosch code Force button 6 s mean?

Force button held 6 seconds - manual defrost test. Holding the FORCE button for 6 seconds on the outdoor board starts a forced defrost test. The unit has to be in a heating call and must already have run for 8 minutes or more. Defrost starts after about 40 seconds and the display shows…

Is it safe to keep using my heat pump with code Force button 6 s?

Usually yes. Code Force button 6 s is normally minor, but if it keeps coming back have it checked.

Can I reset Bosch code Force button 6 s myself?

You can try one reset (power off for 30 seconds, then on). If Bosch code Force button 6 s comes back, the cause is still there and a licensed technician should check it.

Who can fix Bosch code Force button 6 s near me?

Aurora Star Tech Inc. repairs Bosch heat pumps in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

Homeowner help: AC Running But Not Cooling: What to Check · Heat Pump Not Heating or Blowing Cold Air

Troubleshooting guides

Source: Bosch IDS Premium Connected BTC 762003301 D (02.2025), 18.4 Defrost Description p.46; IDS Light BTC 762003308 D, Manual Defrost; IDS 2.0 service Rev3, 10.2.1 p.31. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

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