Sapiens - How do you solve the error message “A08 board temperature alarm”?

A08 High board temperature alarm warns that PCB temperature exceeded 75°C/167°F. 
The appliance will stop any activity; switch off and let cool down the unit. 

This message does not necessarily require the intervention of a technician; the causes of the failure can be external.

Description

Temperature sensor on PCB detect a temperature over the maximum allowed temperature.

Warning

Check cooling fans and proper air flow

Reset 

Message cannot be confirmet; switch off the unit and wait for cooling down. Remove root cause of overtheating

Checks

Perform following checks: 
- Check correct installation of the appliance (ventilation and nearby heat sources) 
- Check gasket and door tightness 
- Check that the cooling fans are working properly and that the flows are correct. 
- Check probe on pcb.