Appliance RepairEasy
The washer that fills while unplugged
Clean water keeps entering an idle washer. Separate a valve fault from a control problem.
2 min1 step75 XP
Field diagnostics
Every breakdown is a puzzle. How would you solve it?
Practice real-world diagnostic calls, learn from every answer, and prove your expertise—one decision at a time.
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Diagnostic library
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Appliance repair paths
Easy → Medium → Hard
Choose an appliance and build your skills. Every Easy puzzle is open from the start. Get every answer right in one attempt to unlock the next level in that path. Each path unlocks independently, and you can retry as often as you like.
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Washers
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Follow the clues through washer calls, from the first inspection to a confirmed diagnosis.
Appliance RepairMedium
The silent washer drain pump
The drain path is clear, but the pump stays silent. Use an isolated test to find the failure.
3 min2 steps100 XP
Appliance RepairHard
The washer stuck between wash and spin
Trace a failed spin transition without confusing an open harness with a failed actuator.
5 min3 steps150 XP
Dryers
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Practice narrowing down dryer faults and checking the evidence before choosing a repair.
Appliance RepairEasy
The dryer with a broken drive link
The drum stopped turning. A power-off inspection reveals the missing connection.
2 min1 step75 XP
Appliance RepairMedium
The dryer with the steady rumble
The noise continues with an empty drum. Find physical evidence before choosing a part.
3 min2 steps100 XP
Appliance RepairHard
The dryer that went silent after long cycles
Find the open motor-circuit component, then address the airflow problem before handoff.
5 min3 steps150 XP
Refrigerators
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Build confidence tracing refrigerator faults through symptoms, tests, and repair decisions.
Appliance RepairEasy
The refrigerator with a recurring puddle
Cooling is normal, but water escapes after defrost. Trace where it should go.
2 min1 step75 XP
Appliance RepairMedium
Cold coils, warm groceries
The evaporator gets cold, but cold air does not reach the food compartment.
3 min2 steps100 XP
Appliance RepairHard
A click is not a compressor diagnosis
Separate a start-device problem from an internal compressor fault using isolated readings.
5 min3 steps150 XP
Dishwashers
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Work through dishwasher calls and learn which checks separate similar symptoms.
Appliance RepairEasy
The dishwasher that holds its water
Water stays in the tub while the drain pump runs. Follow the drain path.
2 min1 step75 XP
Appliance RepairMedium
The dishwasher that fills overnight
A drained dishwasher slowly fills again. Find where the incoming water originates.
3 min2 steps100 XP
Appliance RepairHard
It fills and drains, but never washes
Separate a wash-motor fault from its wiring and control circuit.
5 min3 steps150 XP
Appliance basics
Checking progress…
The original three calls: a washer that will not drain, a dryer without heat, and a frosting refrigerator.
Appliance RepairEasy
The washer that won't drain
A washer stopped draining after the laundry room was rearranged. Find the first fix.
2 min1 step75 XP
Appliance RepairMedium
The dryer with no heat
The drum turns, but clothes stay cold. Narrow down the electric dryer's heating fault.
3 min2 steps100 XP
Appliance RepairHard
The refrigerator that keeps frosting
Frost returns after a thaw. Interpret temperature-dependent readings to find the failure.
5 min3 steps150 XP
More trades
HVACStarter
The silent condenser
The thermostat is calling, but the outdoor unit is completely silent.
3 min3 steps75 XP
ElectricalIntermediate
The breaker that won't hold
A kitchen circuit trips only when two countertop appliances run together.
4 min2 steps100 XP
PlumbingStarter
Hot water runs cold
An electric water heater starts hot but turns lukewarm within minutes.
3 min2 steps75 XP