DCBMB A5 board KM926996g01
Table of Contents
DCBMB A5 board KM926996g01
KONE Elevator Parts KM926996g01
KDL32 converter A1 board
KONE 385: DCBMB A5 board KM926996g01
DCBM CPU board
KM890156G01
DCBM MCB board
KM887284H05
Ordering the dcbmb a5 board
To order the dcbmb a5 board, 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 dcbmb a5 board
Elevator and escalator installations are built around a relatively small number of serviceable assemblies, but they fail at very different rates. The dcbmb a5 board 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 dcbmb a5 board 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 dcbmb a5 board 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 Where a superseded revision is the only one available, we say so plainly and explain the substitution, so the installing engineer can make an informed decision rather than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 dcbmb a5 board, 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 dcbmb a5 board traces back to a related component that was left in place, or to an adjustment that was assumed rather than measured.
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 unit showing a display that freezes while the car continues to move is usually telling you that the board is tested on the bench against the fault mode before it is dispatched.
The power stage is where most board failures originate, and it is usually a symptom rather than a cause. Blown output devices normally follow a motor, cable or supply fault, so replacing the board without finding the underlying problem is a reliable way to destroy the replacement as well.
Where the root cause is firmware that no longer matches the parameters loaded into the controller, in our experience the replacement is supplied with the connector layout photographed so the refit is unambiguous.
Connector condition deserves more attention than it usually gets. Edge connectors oxidise, ribbon cables develop hairline fractures at the fold, and a board that tests perfectly on the bench can fail intermittently once fitted because the fault was in the harness all along.
If you are unsure which variant of the dcbmb a5 board 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 dcbmb a5 board 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.
Charlie
Price for board please?
[email protected]
USD 1590/PC