📡Microwave

MECH-ARCING

GE Profile · PVM9179DKBB 1.7 cu ft Over-the-Range Convection

GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection MECH-ARCING Error Fix: Sparking or Arcing Inside

Visible sparks during operation — most common cause is damaged waveguide cover (mica sheet); food splatter can burn onto mica causing arcing; mica replacement is simple and inexpensive ($5-10); also check for peeling interior paint

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error MECH-ARCING on the GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection means: Sparking or Arcing Inside. The top-ranked community fix is “Replace the Waveguide Cover (Mica Sheet)” (medium difficulty, ~30 min, DIY cost: $10-$15). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · microwave

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many microwave repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $100-$160.

Other GE Profile Models with Error MECH-ARCING

PEB9159SJSS 1.5 cu ft Smart Countertop Convection

microwave · 2 fixes

PES7227SLSS 2.2 cu ft Countertop Sensor Microwave

microwave · 2 fixes

PVM9179SRSS 1.7 cu ft Convection Over-the-Range

microwave · 2 fixes

PVM9215SKSS 2.1 cu ft Smart Over-the-Range with Sensor Cook

microwave · 2 fixes

PWB7030ELES 1.7 cu ft Built-In Microwave with Advantium

microwave · 2 fixes

Other GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection Error Codes

Oven Cavity Thermistor Open Circuit

2 fixes

Oven Cavity Thermistor Shorted

2 fixes

Shorted Key Panel (Stuck Key)

2 fixes

Humidity Sensor Open Circuit

2 fixes

Shorted Temperature Probe Circuit

2 fixes

MECH-BUTTONS

Touch Pad Buttons Unresponsive

2 fixes

MECH-INTERLOCK

Door Interlock Switch Failure (Blows Fuse)

2 fixes

MECH-LATCH

Door Latch Broken or Not Latching

2 fixes

People Also Ask About GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection Error MECH-ARCING

What does error code MECH-ARCING mean on a GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection?

Error code MECH-ARCING on the GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection means: Sparking or Arcing Inside. Visible sparks during operation — most common cause is damaged waveguide cover (mica sheet); food splatter can burn onto mica causing arcing; mica replacement is simple and inexpensive ($5-10); also check for peeling interior paint

How do I fix error code MECH-ARCING on my GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection?

The most successful fix is "Replace the Waveguide Cover (Mica Sheet)" (medium difficulty, ~30 minutes). Estimated DIY cost: $10-$15. HomeMD has 2 community-ranked fixes for this error.

Is error code MECH-ARCING on a GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection error MECH-ARCING myself?

Yes — the top-ranked community fix ("Replace the Waveguide Cover (Mica Sheet)") is rated medium difficulty and takes about 30 minutes. Tools needed: T20 Torx screwdriver, Soft cloth.

How much does it cost to repair GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection error MECH-ARCING?

DIY cost: $10-$15. Professional repair typically costs $100-$160. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection have?

The GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection has 8 other known error codes, including: F1 (Oven Cavity Thermistor Open Circuit), F2 (Oven Cavity Thermistor Shorted), F3 (Shorted Key Panel (Stuck Key)), F4 (Humidity Sensor Open Circuit), F6 (Shorted Temperature Probe Circuit), and 3 more.

Which other GE Profile models have the MECH-ARCING error?

Error code MECH-ARCING also appears on 5 other GE Profile models: PEB9159SJSS 1.5 cu ft Smart Countertop Convection, PES7227SLSS 2.2 cu ft Countertop Sensor Microwave, PVM9179SRSS 1.7 cu ft Convection Over-the-Range, PVM9215SKSS 2.1 cu ft Smart Over-the-Range with Sensor Cook, PWB7030ELES 1.7 cu ft Built-In Microwave with Advantium. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection have?

The GE Profile PVM9179DKBB 1.7 cu ft Over-the-Range Convection has 8 other known error codes:

F1 — Oven Cavity Thermistor Open Circuit (2 fixes)
F2 — Oven Cavity Thermistor Shorted (2 fixes)
F3 — Shorted Key Panel (Stuck Key) (2 fixes)
F4 — Humidity Sensor Open Circuit (2 fixes)
F6 — Shorted Temperature Probe Circuit (2 fixes)
MECH-BUTTONS — Touch Pad Buttons Unresponsive (2 fixes)
MECH-INTERLOCK — Door Interlock Switch Failure (Blows Fuse) (2 fixes)
MECH-LATCH — Door Latch Broken or Not Latching (2 fixes)

Which other GE Profile models have the MECH-ARCING error?

Error code MECH-ARCING also appears on 5 other GE Profile models:

PEB9159SJSS 1.5 cu ft Smart Countertop Convection (microwave) · 2 fixes
PES7227SLSS 2.2 cu ft Countertop Sensor Microwave (microwave) · 2 fixes
PVM9179SRSS 1.7 cu ft Convection Over-the-Range (microwave) · 2 fixes
PVM9215SKSS 2.1 cu ft Smart Over-the-Range with Sensor Cook (microwave) · 2 fixes
PWB7030ELES 1.7 cu ft Built-In Microwave with Advantium (microwave) · 2 fixes

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