Microwave Diagnostics

Asko Microwave
Error Codes

Meanings, severity levels, safe checks you can perform, and when to call a technician.

Enter the code shown on your microwave display

Is it safe to keep using it?

Depends on code severity. Low/Medium codes often allow continued use, High severity requires immediate stop.

Can error codes be reset?

Some codes clear after power cycle. Persistent codes indicate underlying issues needing repair.

When should I stop using it?

Stop immediately for water leak codes, burning smell, or any High severity error.

Most Common Codes

PF DOOR-ERR BEEP-3X TURNTABLE SPARK NO-HEAT

All Codes

BEEP-3X DOOR-ERR NO-HEAT PF SPARK TURNTABLE

Error Code Directory

Click any code for detailed troubleshooting steps

Low Medium High

Code Meaning Severity Common Symptom

BEEP-3X Three-beep alert signal Medium Pressing START produces three beeps in quick succession and the microwave does not begin a cook cycle. View DOOR-ERR Door interlock error High Pressing START does nothing despite the door appearing to be fully closed, indicating an interlock switch is not registering closure. View NO-HEAT Microwave not heating High Placing a cup of water in the microwave and running a 2-minute cycle at full power results in water remaining at room temperature. View PF Power failure indicator Low The letters "PF" appear on the microwave display immediately after the power comes back on following an outage or breaker trip. View SPARK Sparking inside cavity High Bright flashing arcs are visible through the door window during operation, sometimes accompanied by a crackling or popping sound. View TURNTABLE Turntable not rotating Low The glass tray does not rotate at all when the microwave is running, and food heated from a fixed position shows cold spots. View