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General| Type | Built-In |
|---|---|
| Model Number | DMR78AHS/XAC |
| Place Settings | 14 |
| Wash Cycles | 6 |
| Color | Stainless Steel |
| Energy Efficiency | Energy Star Certified |
| Drying System | Condensing Drying |
Instructions for safe operation and hazard prevention during servicing.
Key dishwasher features like capacity, design, and operational characteristics.
Technical details including wash capacity, power, water pressure, and dimensions.
Comparison of features and design across various dishwasher models.
List of optional parts and accessories available for the dishwasher.
Tools required for dishwasher disassembly and reassembly.
Visual guides for step-by-step disassembly of dishwasher components.
Essential checks after service to ensure correct dishwasher operation.
Overview of component changes across models.
Guide to entering and using service inspection mode for diagnostics.
Steps to troubleshoot water supply errors via faucet, line, and inlet valve checks.
Steps to troubleshoot drain errors by checking drain hose, sensor, and pump.
Troubleshooting low level errors via sensor connections and float mechanism.
Steps to troubleshoot heater errors: connector, relay, and resistance checks.
Diagnosing and resolving water leakage errors via shutter and faulty part checks.
Troubleshooting half load errors: distributor motor, relay, switch operations.
Steps to fix overflow errors by checking sensors, inlet valve, and leakage.
Guidance for thermistor errors: connection checks and resistance table.
Troubleshooting power issues: plug, outlet voltage, fuse, wire checks.
Troubleshooting display errors: LED connections and component integrity.
Troubleshooting key input errors: power key, PBA connectors, DC voltage checks.
Addressing dry errors: fan motor, relay, dispenser operation checks.
Troubleshooting detergent dispensing: dispenser and relay checks.
Resolving nozzle water injection issues: motor and passage checks.
Troubleshooting 'No Washing' errors: nozzle, half load, heater checks.
Troubleshooting cycle start issues: door switch and PBA checks.
Troubleshooting power relay errors: connections, door switch, voltage checks.
Exploded views and parts lists for main, door, tub, base, sump, case assemblies.
Exploded views and parts lists for DMR57: main, door, tub, base, sump, case assemblies.
Diagrams and detailed specs for old and new Main PCBs, including connectors.
Pin descriptions for touch key interfaces across DMR77, DMR78, and DMR57 models.
Pin descriptions for display LED interfaces on various models (TOP/FRONT).
Wiring diagram for DMR77/DMR78 models (old PCB connections).
Wiring diagram for DMR57 model (old PCB connections).
Wiring diagram for DMR78, DMR77, DMR57 models (new PBA).
Detailed schematic of the main control unit for all specified dishwasher models.
Explanation of naming conventions and codes for Samsung dishwasher model numbers.
Definitions of technical terms and components used in the service manual.
