Question 1

Device not cooling

Accepted Answer

Possible cause: Thawing process in progress. Wait until thawing procedure is complete.

Question 2

Device not cooling

Accepted Answer

Possible cause: The temperature set on the remote control has been reached. Set temperature on remote control to less than room temperature.

Question 3

Device not heating

Accepted Answer

Possible cause: Thawing process in progress (outside temperature between 4 °C – 7 °C). Adjust fan to lower setting.

Question 4

Device not heating

Accepted Answer

Possible cause: Outside temperature below 4 °C. Note that heating is not possible if outside temperature is less than 4 °C.

Question 5

Device providing insufficient cooling or no cooling at all

Accepted Answer

Possible cause: Filters soiled. Change filters.

Question 6

Device providing insufficient cooling or no 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 windows and doors and select high fan 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

Device not reacting to remote control commands

Accepted Answer

Possible cause: Obstructions between remote control and IR receiver. Check whether there are obstructions between the remote control and the IR receiver and remove obstructions if necessary.

Question 10

Device not reacting to remote control commands

Accepted Answer

Possible cause: Remote control not tuned to IR receiver. Tune remote control to IR receiver. If actions fail to remedy the fault, contact Truma Service.

Error Code / Indicator	Symptom / Meaning	Step-by-Step DIY Fix	Suggested Actions
`N/A`	Device not cooling Possible Cause: Thawing process in progress	Wait until thawing procedure is complete.	DIY Safe
`N/A`	Device not cooling Possible Cause: The temperature set on the remote control has been reached	Set temperature on remote control to less than room temperature.	DIY Safe
`N/A`	Device not heating Possible Cause: Thawing process in progress (outside temperature between 4 °C – 7 °C)	Adjust fan to lower setting.	DIY Safe
`N/A`	Device not heating Possible Cause: Outside temperature below 4 °C	Note that heating is not possible if outside temperature is less than 4 °C.	DIY Safe
`N/A`	Device providing insufficient cooling or no cooling at all Possible Cause: Filters soiled	Change filters.	DIY Safe
`N/A`	Device providing insufficient cooling or no cooling at all Possible Cause: External air routes soiled or blocked	Clear air routes.	DIY Safe
`N/A`	Moisture at cold air ducts Possible Cause: High air humidity	Close windows and doors and select high fan level.	DIY Safe
`N/A`	Remote control not working Possible Cause: Depleted or incorrect batteries	Check batteries in remote control and replace batteries if necessary.	DIY Safe
`N/A`	Device not reacting to remote control commands Possible Cause: Obstructions between remote control and IR receiver	Check whether there are obstructions between the remote control and the IR receiver and remove obstructions if necessary.	DIY Safe
`N/A`	Device not reacting to remote control commands Possible Cause: Remote control not tuned to IR receiver	Tune remote control to IR receiver. If actions fail to remedy the fault, contact Truma Service.	Professional Intervention Required

Truma Saphir comfort RC

Technical Specifications

Master Troubleshooting & Diagnostics Matrix