LEHY-3 elevator interface board
Table of Contents
LEHY-3 elevator interface board
P203773B000G01 MITSUBISHI elevator LEHY-3 elevator interface board.
W1 board P203773B000G01
Ordering the lehy-3 elevator interface
To order the lehy-3 elevator interface, send us a photograph of the existing unit and its nameplate at [email protected]. Please quote the complete code including any revision suffix so that our team can confirm the correct variant, current stock and lead time before you commit.
About the lehy-3 elevator interface
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The lehy-3 elevator interface sits in the control board / PCB group, and it is replaced on a different service interval from the assemblies around it. In practice the failures we see on lehy-3 elevator interface come down to electrolytic capacitor ageing, cracked solder joints around the power stage, corroded edge connectors, and blown output transistors after a supply fault.
Every lehy-3 elevator interface we supply is inspected before dispatch. Each unit is checked for physical damage, correct marking and the specific wear or degradation patterns that matter for this class of component, then packed to survive international transit. Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than discovering the difference on site.
Buying guidance and compatibility notes
Before ordering the lehy-3 elevator interface, confirm three things. First, the controller catalogue number and the board revision letter, plus the fault code stored in the controller memory. Second, the same board is frequently fitted across several controller families, so the equipment model alone is not enough to identify the right revision. Third, whether the installation is a traction lift or an escalator, since duty cycle and loading differ between the two.
On fitting, one point is worth repeating: discharge the DC bus before removing a power board, and photograph the connector layout before you unplug anything. Almost every repeat failure we see on lehy-3 elevator interface traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
The practical difficulty with legacy boards is that the original manufacturer may have revised the design three or four times without changing the order code. A board that looks identical to the one you removed can be electrically different, and fitting the wrong revision is a common cause of repeat faults.
Drive and logic electronics sit at the centre of every modern installation, which is why we ask for a photograph of the rating plate as well as the board, since the same board is shared across families.
Bench testing before dispatch catches the majority of faulty stock. Boards are powered up, exercised through their diagnostic modes where the manufacturer supports it, and checked for the specific failure modes that matter in service rather than for cosmetic condition.
A controller board carries the whole logic of the installation on one or two PCBs. The underlying cause is often aging electrolytic capacitors that have lost capacitance rather than failed outright.
If you are unsure which variant of the lehy-3 elevator interface you need, send a photograph of the nameplate and the existing component alongside a description of the fault. That is usually enough for our team to identify the correct replacement without a site visit, and it avoids the cost and delay of returning an incompatible part. We are also happy to advise on the other serviceable items in the same control board / PCB group, so a planned shutdown can cover several wear items at once.
Related parts and further reading
Because lehy-3 elevator interface is only one item in the control board / PCB group, these related pages may help you plan the work:
- Elevator spare parts
- Door Operator Controller
- Elevator Display
- Elevator Encoder
- Elevator Service Tool
Reference sources
The compatibility information on this page was cross-checked against the following authoritative references. Always confirm the exact reference against your own equipment nameplate.
