Microwave calls divide cleanly. On one side are the repairs anyone can approach: grease filters, a light bulb, a turntable motor, a keypad that has stopped responding, a control lock left on. On the other is the high-voltage section, where the magnetron, the diode and the capacitor live. The capacitor stores enough energy to be dangerous long after the plug is out of the wall, which is why a microwave that runs without heating is a technician job every time, without exception.
Over-the-range models add a second role as a ventilation appliance, and that half is far more often at fault than the cooking half: saturated grease filters, a charcoal filter never changed on a recirculating installation, a damper stuck shut, or a fan motor that has seized. We check the ventilation side as a matter of course on those models, because it is usually the cheaper half of the visit.
Common Microwave Problems
Turning and lighting normally but not heating the food
Nothing happening at all when the door is closed and start is pressed
Loud buzzing or humming while it runs
Turntable not rotating
Extractor fan weak, noisy or dead on an over-the-range model
Keypad unresponsive or a fault code on the display
Microwave Error Codes
Recognize a code on your display? Look it up before you unplug anything or attempt a repair.
F0E0
Whirlpool Built-In Microwave F0E0 Code (Unrecognised Control Fault)
Door
Whirlpool Microwave "Door" or "Open/Close" Message (Door Left Closed or Not Latching)
LOC
Whirlpool Microwave LOC, "L" or Padlock Display (Control Lock Enabled)
PF
Whirlpool Microwave Flashing Colon, 0:00 or PF Display (Power Interruption)
E13
Whirlpool Over-the-Range Microwave E13 Code (Oven Did Not Pre-Heat Correctly)
E21
Whirlpool Over-the-Range Microwave E21 Code (Thermal Sensor Circuit Open)
E22
Whirlpool Over-the-Range Microwave E22 Code (Thermal Sensor Circuit Shorted)
E23
Whirlpool Over-the-Range Microwave E23 Code (Pre-Heat Temperature Not Reached in 30 Minutes)
E24
Whirlpool Over-the-Range Microwave E24 Code (Overheat Condition Reached 500F)
E61
Whirlpool Over-the-Range Microwave E61, E62 and E63 Codes (Oven Sensor Circuit Fault)
F3
Whirlpool Over-the-Range Microwave F3, F3C, F3H, F3T and F4 Codes (Cavity Thermistor Fault)
F2
Whirlpool Over-the-Range Microwave F2, F2E1, F2H1, F2H2 and F2Q1 Codes (Keypad Fault)
Popular Whirlpool Microwave Models
Whirlpool WMC20005YB Compact Countertop Microwave
Model # WMC20005YB
Whirlpool WML55011HW Low Profile Microwave Hood
Model # WML55011HW
Whirlpool WMH31017HS Over-the-Range Microwave
Model # WMH31017HS
Whirlpool WMH32519HV Over-the-Range Microwave
Model # WMH32519HV
Whirlpool WMH78019HV Over-the-Range Convection Microwave
Model # WMH78019HV
Whirlpool WMH3205XVS Over-the-Range Microwave
Model # WMH3205XVS
Why Trust Us With Your Whirlpool Microwave
- Measured, Not Assumed | The suspected microwave component is put on a meter and shown to have failed before we recommend replacing it.
- Common microwave Parts On Board | The parts that fail most often travel with the technician; anything rarer is ordered on the spot and the return visit is scheduled before we leave your home.
- Isolated Before Anything Opens | The supply to your microwave - power, water or gas - is shut off and proven dead before a panel comes away, and high-voltage and refrigerant circuits stay with the technician.
- We Check Coverage First | Where your microwave looks like it may still sit inside manufacturer coverage, we flag it before quoting - work by anyone other than an authorized technician can put that coverage at risk.