OTIS DBP Car Roof Board DAA26800CB1 CB2 CB3 HAA26800AH1 AH2 AH3

OTIS DAA26800CB1, DAA26800CB2, and DAA26800CB3 are electronic-board references used in compatible OTIS elevator car-roof control and leveling systems.

Depending on the original installation and spare-parts documentation, the board may also carry a reference such as HAA26800AH1, HAA26800AH2, or HAA26800AH3. In the elevator maintenance market, this product family is commonly described as a DBP board, car roof PCB, car-top leveling relay board, or car-top inspection board.

This product may also be searched as:

OTIS DAA26800CB1
OTIS DAA26800CB2
OTIS DAA26800CB3
OTIS HAA26800AH1
OTIS HAA26800AH2
OTIS HAA26800AH3
OTIS DBP Board
OTIS Car Roof Board
OTIS Car Top Leveling Relay PCB
OTIS Elevator Car Top PCB

Record the Original Wiring Before Removal

Because this board is normally installed around the elevator car roof, technicians should photograph the original wiring before disconnecting any plugs.

A useful enquiry should include:

complete DAA26800CB1, CB2, or CB3 marking
HAA26800AH1, AH2, or AH3 reference
DBP identification, if visible
front and rear PCB photographs
connector quantity and position
relay and terminal arrangement
original car-roof installation photo
surrounding wiring and modules
elevator controller information
fault description
previous repair history
quantity required

The DAA and HAA references may appear on different labels or levels of the same assembly. Buyers should therefore provide every visible number rather than selecting the board from one reference alone.

Similar Boards May Have Different Configurations

CB1, CB2, and CB3 may belong to the same general DBP product family, but direct interchangeability should not be assumed. The same applies to AH1, AH2, and AH3.

Possible differences may include:

PCB revision
relay configuration
connector definition
fitted components
car-roof wiring arrangement
elevator control-system version
replacement or modernization status

The safest matching method is to compare the complete old-board number, relay layout, connectors, and original installation position.

Replacement may be considered when the PCB has visible damage, unstable relay operation, damaged connectors, intermittent car-roof signals, or faults found during leveling and inspection-system troubleshooting.

Before installing another board, technicians should also inspect the car-top wiring harness, plugs, power supply, relay circuits, grounding, leveling sensors, and connected control devices. A loose terminal or damaged external circuit may produce symptoms similar to a defective PCB.

Installation and functional testing should be carried out by qualified elevator technicians. Car-top inspection control, leveling signals, relay operation, and related safety functions should be verified before the elevator returns to service.

For buyers in Saudi Arabia, Jordan, Egypt, Iraq, UAE, Kuwait, Brazil, Colombia, Spain, and Italy, clear photographs of the complete PCB, relays, connectors, and original car-roof installation are recommended before shipment.

FAQ

Is DAA26800CB1 an OTIS car roof board?

Yes. Public replacement-parts references commonly describe DAA26800CB1 as an OTIS car roof DBP board, car-top leveling relay PCB, or car-top inspection PCB.

Is HAA26800AH1 the same as DAA26800CB1?

They are commonly listed together for the same DBP or car-roof board assembly. Both numbers should still be confirmed from the original part before ordering.

Can CB1, CB2, and CB3 replace one another?

Not automatically. The relay arrangement, connectors, PCB revision, wiring, and installed elevator system should be compared first.

Are AH1, AH2, and AH3 interchangeable?

No direct interchangeability should be assumed. Please provide the complete old-board labels and photographs for confirmation.

What information should I send before quotation?

Please send both sides of the PCB, close-ups of all DAA and HAA numbers, the relay area, connectors, original wiring, car-roof installation position, and elevator controller information.

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