LG Dishwasher Repair in Toronto — Won't start / no power

• The single most common LG won't-start is the door latch micro-switch, not the board. LG runs the control's power through the latch switches in the door latch assembly AGM76209501 (AP6335271, supersedes AFK73909601 / AFK73909602 / 4873384; PS12588938; fits LDF/LDT/LDFN QuadWash tubs and LG-built Kenmore), so a worn micro-switch or a door that won't pull square tells the board the door is open and it never powers up the cycle. The tell is blinking Start/time lights with the door shut. We push the door firmly closed near the top first, then meter the latch micro-switch for continuity; a switch that won't make on a confirmed-closed door gets the AGM76209501 rather than a board swap.
• A completely dead panel with no lights at all on LG points first at the thermal fuse on the main PCB, not the board logic. LG mounts a two-wire thermal fuse on the top side of the main control board EBR86473413 (RepairClinic 4983804, the board itself) that cuts all power if it overheats; once it blows it cannot be reset and the control gets no power, so the dishwasher is fully dead. On these LG boards the fuse is integral to the EBR86473413 assembly and is not sold as a separate orderable part, so the field procedure is to meter the fuse for continuity (Rx1, should read near zero) before condemning anything, and an open fuse means replacing the whole EBR86473413 board rather than a standalone fuse. RepairClinic and PartSelect both have us confirm the fuse is open and rule out incoming power before pulling the board.
• The single most common 'won't start' that is NOT a fault at all is the CL control-lock (child-lock) being on. LG's own support defines CL as the control-lock feature, not an error code: the panel locks out all buttons except Power and ignores Start. The fix is to press and hold the model's control-lock button combo (commonly Rinse + Spray, Half-Load + Energy-Saver, Dual Zone, or Night Dry + Delay Start) for about 3 seconds; if the panel still won't clear, LG has us breaker-cycle the unit for 60 seconds to drain residual power. We confirm CL is clear before quoting any latch or board part.
• An active Delay Start reads as 'won't start' when the unit is simply counting down. LG lets the owner queue a delayed cycle, and the panel sits with a delay indicator instead of washing; the cure per LG/PartSelect is to press and hold On/Off (about 3 seconds) to cancel the delay, then re-select the cycle. We rule this out on site before any dispatch-justifying part call, since no LG part is at fault.
• When the latch micro-switch and the board thermal fuse both test good, a no-response panel traces to the main PCB EBR86473413 (RepairClinic 4983804) itself. The board powers nearly every component; when it fails it won't process the Start command or send voltage out, so the unit is dead or unresponsive. On boards so equipped, LG's field check is to cycle power and look for the red LED on the board to illuminate after restoring power; if that LED stays dark with confirmed incoming 120V and a good fuse, the EBR86473413 is condemned. We verify supply voltage and the fuse before quoting the board, because a dead fuse and a dead board look identical at the panel.
• An AE / E1 leak latch can present as 'won't start / won't run' before it ever finishes a cycle. LG's own AE & E1 page defines both codes as water leakage detected inside the dishwasher activating the base-pan float switch; on tripping, the unit commands a continuous protective drain so it pumps non-stop and never advances into the wash, which owners read as 'it won't start.' We dry the base pan so the float drops, trace the seep path (door-gasket corner, sump O-ring, or inlet drip), and clear the float switch 6601ER2001C (RepairClinic 4985714) rather than chasing the latch or board on what is really a leak trip.
• A genuine no-power-to-the-machine won't-start is an install/supply problem, not an LG part: a tripped breaker, a dead or wired-loose junction-box connection, or a switched outlet left off. LG's flow starts with confirming 120V actually reaches the unit. We meter incoming voltage at the junction box before quoting the AGM76209501 latch, the board thermal fuse, or the EBR86473413 board, because a tripped breaker will defeat a perfectly good machine and re-presents as 'totally dead' on the next call if we only swap parts.

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

• The recurring LG won't-start pattern we see across Toronto is two-faced: blinking Start/time lights with the door shut (a worn latch micro-switch in the AGM76209501, often on a unit that's settled out of level under a stone counter), and the totally-dead panel (a blown board-mounted thermal fuse that condemns the EBR86473413, or a failed EBR86473413 outright). A meaningful share of 'won't start' calls turn out to be no part at all — the CL control-lock toggled on, an active Delay Start, or a tripped breaker — which we clear on site rather than dispatch a part.
• We carry the door latch assembly AGM76209501 (AP6335271) and a multimeter to these calls to meter the latch micro-switch and the board thermal fuse before touching the board, plus the AE-side float switch 6601ER2001C for the leak-latch-presents-as-no-run case; the model-coded main PCB EBR86473413 (which carries the thermal fuse, so an open fuse means the board) we confirm by model/serial and order only after the fuse and latch test good.

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