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Haier
Electric Range

Model # QSS740RN1SS Official Haier electric range

Here are the diagrams and repair parts for Official Haier QSS740RN1SS electric range, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 118 parts  |
Range Radiant Surface Element, 5-1/2-in (replaces Wb30t10127) WB30T10145
#53

Control panel & cooktop diagram

Range radiant surface element, 5-1/2-in (replaces wb30t10127)

Part #WB30T10145

BEST SELLER
$89.97 | 
6% OFF Phone Price : $95.97
In Stock
Wall Oven Temperature Sensor (replaces Wb20k5035, Wb20k5040, Wb23t10002, Wb24x5340) WB23X5340
#43

Body parts diagram

Wall oven temperature sensor (replaces wb20k5035, wb20k5040, wb23t10002, wb24x5340)

Part #WB23X5340

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$126.20 | 
10% OFF Was : $140.22
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Oven Lamp Holder WB08T10002
#235

Body parts diagram

Oven lamp holder

Part #WB08T10002

Replaced by #WB08T10002

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Manufacturer substitution
This part replaces WB08T10002. Substitute parts can look different from the original.
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$34.45 | 
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Block Terminal Asm WB27X31509
#203

Body parts diagram

Block terminal asm

Part #WB27X31509

$44.17 | 
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Range Oven Rack WB48X20249
#200

Body parts diagram

Range oven rack

Part #WB48X20249

$61.49 | 
9% OFF Phone Price : $67.49
In Stock
Range Convection Fan Blade WB2X8351
#721

Convection fan diagram

Range convection fan blade

Part #WB2X8351

This item is not returnable
$24.28 | 
20% OFF Phone Price : $30.28
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Board Wifi Cat Module WB27X29798
#3

Control panel & cooktop diagram

Board wifi cat module

Part #WB27X29798

Replaced by #WB27X33353

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Manufacturer substitution
This part replaces WB27X29798. Substitute parts can look different from the original.
$46.78 | 
11% OFF Phone Price : $52.78
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Bake Element WB44X21178
#290

Body parts diagram

Bake element

Part #WB44X21178

$123.28
In Stock
Door Hinge WB10X26766
#222

Door & drawer parts diagram

Door hinge

Part #WB10X26766

$35.97 | 
14% OFF Phone Price : $41.97
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Door Hinge WB10X24776
#223

Door & drawer parts diagram

Door hinge

Part #WB10X24776

$40.58 | 
13% OFF Phone Price : $46.58
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Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

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Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

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How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

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Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

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Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

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Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

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Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

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Most common repair guides to help fix your ranges

These step-by-step repair guides will help you safely fix what’s broken on your range.

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How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

Use the advice and tips in these articles and videos to get the most out of your range.

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How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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