Whirlpool Dryer Repair in Toronto — Won't start / no power

• 29" platform (LER/LE classics, WED/WGD): the door switch (WP3406107, replaces 3406107/AP6008561) is THE won't-start first check. RepairClinic publishes a dedicated 'Dryer Won't Start? Whirlpool/Kenmore #3406107' guide for exactly this — the switch is in series with the motor start circuit, so a worn plunger or pitted contact means the panel lights up but nothing happens when you push Start. We meter it for continuity with the door closed before pulling anything heavier, because it's the cheapest of the won't-start causes and the most common.
• A completely dead push-to-start with the door confirmed closed is, on this 29" platform, very often a blown thermal fuse (3392519, WP3392519) — and this is the wont-start trap people miss. Unlike most dryers, Whirlpool wires this blower-housing fuse through the MOTOR circuit, so when it opens the display/lights can still work but the drum won't even attempt to turn (RepairClinic files it under 'Won't Start/Heat'). It never blows on its own — a clogged vent or a stuck high-limit cooked it — so we test continuity across its two terminals, then clear the full duct before fitting the new one or it opens again next load.
• Belt-broken-but-dead is a classic 29"-platform won't-start trap, and on this platform there is NO separate belt-break switch — protection is the idler-arm/motor arrangement, not a discrete part. So we diagnose it by hand: spin the drum on arrival, and a drum that turns completely free and silent with no motor hum points straight at a snapped 341241 drive belt slipping off the idler. The fix is the belt itself (or the 4392065 kit), not a switch — we never quote a 'belt switch' SKU on this platform because it doesn't exist here.
• Push the button, hear a faint click but nothing engages = the push-to-start switch itself (WP3977456, replaces 3977456/898073/AP6009036). It's the momentary contact that energizes the motor start winding; when its internal contacts burn or stick open the motor never gets its kick even though the door switch and fuse all pass. We meter it across the start terminals while pressing the button before condemning the motor, because a $20 push-to-start switch fakes a dead drive motor more often than the windings actually fail on this platform.
• 'Hums but won't start, then quits' points at the drive motor (279827) — but on this platform a seized idler (691366), a flat-spotted support roller (349241T) or a jammed blower wheel binds the drive train and fakes a failed motor far more often than the windings die. A genuine motor fault is a hum with the belt pulled OFF and the drum turning free by hand, or the motor's internal thermal overload tripping (runs a couple of minutes, quits, then only restarts once it cools). We confirm the drum and idler spin free before the 279827 goes in, so we never sell a motor on a bound roller.
• 27" Duet-era front-loads (WED9-series) are a separate won't-start book and lead with the door circuit — a Duet that lights and beeps but won't tumble is very often the door switch/latch, which we meter for continuity before pulling the cabinet. The Duet door-switch hardware is model-specific (it is NOT the 29" top-load WP3406107), so we confirm the exact part by model/serial against the WED9-series diagram before quoting. The Duet also runs the longer 661570 belt (current SKU 661570V), not the 341241. A main-control F01 fault is the LAST suspect on a won't-start, not the first.
• F01 on a Duet-era board is a main-control (CCU) fault that can read as 'no power / won't spin at all,' but most won't-start calls that throw it resolve at the cheap stuff first — a blown thermal fuse, the door circuit, or a tired belt the control sees as a stalled drum. Whirlpool's own ProductHelp lists F01 as a control fault and the board is repairable/replaceable; we meter the fuse and door circuits before any CCU goes in, because the board is the most expensive and the least likely culprit on a won't-start.

Whirlpool won't start / no power in Toronto — the local specifics

• The recurring Toronto pattern on a Whirlpool won't-start is the 'panel works, nothing turns' call that owners assume is a dead motor or a fried board — and on this 29" platform it lands at the door switch, a thermal fuse blown by a clogged vent, or a snapped drive belt far more often than at the motor. In older Toronto homes with long basement vent runs we see the same thermal-fuse won't-start come back if only the fuse was swapped, so we treat fuse-plus-vent as one job. Duet-era front-loads in condos and newer builds skew instead to the door circuit before anything else.
• We carry to every Whirlpool won't-start call: door switch WP3406107, thermal fuse 3392519, push-to-start switch WP3977456, the 341241 drive belt, the 4392065 belt/idler/roller maintenance kit (belt 341241 + idler 691366 + rollers 349241T), and a vent-clearing kit — the switch-fuse-belt set that closes the vast majority of 29" won't-starts in one visit. Duet 661570V belt, the Duet's model-specific door switch and the CCU confirmed by model/serial before dispatch.

For the full Whirlpool dryer module — every fault, part number and code — see Whirlpool dryer repair in Toronto, and for the same fault across all brands the dryer won't start / no power guide.