f138
Moderate
AEG · Ovens
NTC temperature sensor (PT500/PT1000) fault
Quick Answer
Error code F138 on your AEG Ovens means: NTC temperature sensor (PT500/PT1000) fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Identify the sensor type (PT500 or PT1000)
2
Test the sensor resistance
3
Check wiring connections
4
Replace with the correct sensor type
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
NTC sensor (PT500 or PT1000)
Related Error Codes