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LG Microwave — Model MHEC1737F

LG MHEC1737F 1.7 cu. ft. Over-Range Microwave

Over-Range Series

Compact over-range LG microwave at 1.7 cu. ft. with Sensor Cook and EasyClean.

1.7 cu. ft.
PrintProof Stainless Steel
2021–present
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MHEC1737F

MHEC1737F Key Features

1.7 cu. ft. capacity

Sensor Cook

EasyClean non-stick interior

300 CFM

1000W

SmartDiagnosis

Technical Specifications

Capacity 1.7 cu. ft.
Wattage 1000W
Dimensions 29.875" W × 16.5" H × 15.125" D
Repair Guide

Common MHEC1737F Problems

Issues reported by technicians who have serviced this model. All are repairable with genuine LG OEM parts.

F-1 humidity sensor error

F-9 door switch on heavy-use units

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Diagnostic Reference

MHEC1737F Error Codes

F-1

F-1 – Humidity / Steam Sensor Error

The humidity sensor (used in Sensor Cook modes) is not responding. Auto-sensor...

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F-3

F-3 – Turntable Motor Error

The turntable motor is not receiving a signal or has failed. The...

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F-5

F-5 – Power Relay / Triac Error

The power relay or triac controlling the magnetron circuit has failed. The...

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F-9

F-9 – Door Switch / Latch Error

One or more of the three door safety interlock switches has failed....

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Browse All LG Error Codes →
  • 1.7 cu. ft. capacity
  • Sensor Cook
  • EasyClean non-stick interior
  • 300 CFM
  • 1000W
  • SmartDiagnosis

Is Your MHEC1737F Worth Repairing?

LG appliances are engineered to last 10–15 years. Most repairs cost far less than replacement and restore your appliance to factory performance. We provide a free written estimate — you decide before any work begins.

10–15
Year lifespan
90 days
Parts & labor warranty
Free
Written estimate
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