Bosch Error Code Gateway fault LED off: Gateway fault LED (red) off – no fault (Heat Pump)

Updated October 15, 2026 · by Aurora Star Tech Inc.

Bosch error code Gateway fault LED off on a heat pump means: Gateway fault LED (red) off - no fault. It is also called Bosch diagnostic code Gateway fault LED off.

Low severityHeat PumpBosch IDS Premium Connected

Homeowner? What Bosch code Gateway fault LED off means for you

Usually minor Your heat pump is reporting: Gateway fault LED (red) off - no fault. 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) 657-2977 Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Bosch error code Gateway fault LED off mean?

When the red fault LED is off the gateway has no fault to report. Blink counts of 1 to 5 on that LED are gateway faults.

Applies to: IDS Premium Connected gateway

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 Gateway fault LED off

BOVA36-20 BOVA60-20

Other Bosch Heat Pump codes

Code	Meaning
Gateway Bluetooth LED 2 blinks	Gateway Bluetooth LED 2 blinks - advertising mode
Gateway Bluetooth LED solid	Gateway Bluetooth LED (blue) steady - connected
Gateway cellular LED blinking	Gateway cellular LED (amber) blinking - weak signal
Gateway cellular LED solid	Gateway cellular LED (amber) steady - good signal
Gateway Connect button	Gateway Connect (Bluetooth) button
Gateway Factory button	Gateway Factory (diagnostic) button
Gateway power LED 2 blinks	Gateway power LED (green) 2 blinks - booting
Gateway power LED solid	Gateway power LED (green) steady - powered on
Gateway Reset button	Gateway Reset button
H01	Drive chip communication fault
J00-JCF	Compressor driver fault
LED1 green	Green LED1 on - main board powered

All Bosch Heat Pump error codes →

Bosch code Gateway fault LED off: homeowner questions

What does Bosch code Gateway fault LED off mean?

Gateway fault LED (red) off - no fault. When the red fault LED is off the gateway has no fault to report. Blink counts of 1 to 5 on that LED are gateway faults.

Is it safe to keep using my heat pump with code Gateway fault LED off?

Usually yes. Code Gateway fault LED off is normally minor, but if it keeps coming back have it checked.

Can I reset Bosch code Gateway fault LED off myself?

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

Who can fix Bosch code Gateway fault LED off 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

Force cooling for charging with the FORCE button Bosch · Heat Pump
Pair the gateway by Bluetooth (Connect button) Bosch · Heat Pump
Read system values with the CHECK button (point check) Bosch · Heat Pump
Restart the gateway (Reset button) Bosch · Heat Pump
Run the gateway diagnostic (Factory + Connect buttons) Bosch · Heat Pump
Start a manual defrost test (hold FORCE 6 s) Bosch · Heat Pump

Source: Bosch IDS Premium Connected BTC 762003301 D (02.2025), Gateway light indications table (troubleshooting section) and 20 Gateway Functionality p.69. 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.