Question 1

Device not cooling

Accepted Answer

Possible cause: Thawing process in progress. Wait for the defrost cycle to finish.

Question 2

Device not cooling

Accepted Answer

Possible cause: The temperature set on the remote control has been reached. Set the remote control's temperature below the current room temperature.

Question 3

Device not heating

Accepted Answer

Possible cause: The unit is thawing itself (outside temperature between 4°C and 7°C). Adjust fan to lower setting.

Question 4

Device not heating

Accepted Answer

Possible cause: Outside temperature below 4 °C. Heating isn't possible once the outside temperature drops below 4°C.

Question 5

The unit is barely cooling, or not cooling at all

Accepted Answer

Possible cause: Filters soiled. Change filters.

Question 6

The unit is barely cooling, or not cooling at all

Accepted Answer

Possible cause: External air routes soiled or blocked. Clear air routes.

Question 7

Moisture at cold air ducts

Accepted Answer

Possible cause: High air humidity. Close all the windows and doors, and set the fan to a high level.

Question 8

Remote control not working

Accepted Answer

Possible cause: Depleted or incorrect batteries. Check batteries in remote control and replace batteries if necessary.

Question 9

The unit isn't responding to remote control commands

Accepted Answer

Possible cause: Obstructions between remote control and IR receiver. Check for anything blocking the line of sight between the remote and the IR receiver, and clear it if there is.

Question 10

The unit isn't responding to remote control commands

Accepted Answer

Possible cause: Remote control not tuned to IR receiver. Re-pair the remote control with the IR receiver. If that doesn't fix it, contact Truma Service.

Truma Saphir comfort RC

Technical Specifications

Master Troubleshooting & Diagnostics Matrix

Error Code / Indicator	Symptom / Meaning	Possible Cause	Step-by-Step DIY Fix	Suggested Actions
`N/A`	Device not cooling	Thawing process in progress	Wait for the defrost cycle to finish.	DIY Safe
`N/A`	Device not cooling	The temperature set on the remote control has been reached	Set the remote control's temperature below the current room temperature.	DIY Safe
`N/A`	Device not heating	The unit is thawing itself (outside temperature between 4°C and 7°C)	Adjust fan to lower setting.	DIY Safe
`N/A`	Device not heating	Outside temperature below 4 °C	Heating isn't possible once the outside temperature drops below 4°C.	DIY Safe
`N/A`	The unit is barely cooling, or not cooling at all	Filters soiled	Change filters.	DIY Safe
`N/A`	The unit is barely cooling, or not cooling at all	External air routes soiled or blocked	Clear air routes.	DIY Safe
`N/A`	Moisture at cold air ducts	High air humidity	Close all the windows and doors, and set the fan to a high level.	DIY Safe
`N/A`	Remote control not working	Depleted or incorrect batteries	Check batteries in remote control and replace batteries if necessary.	DIY Safe
`N/A`	The unit isn't responding to remote control commands	Obstructions between remote control and IR receiver	Check for anything blocking the line of sight between the remote and the IR receiver, and clear it if there is.	DIY Safe
`N/A`	The unit isn't responding to remote control commands	Remote control not tuned to IR receiver	Re-pair the remote control with the IR receiver. If that doesn't fix it, contact Truma Service.	Professional Intervention Required