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General| Brand | Daikin |
|---|---|
| Model | MA 90CK7W1 |
| Category | Air Conditioner |
| Language | English |
Details the functional capabilities of different unit types.
Informs the microcomputer about model series differences for indoor units and expansion valves.
Informs the microcomputer about indoor unit capabilities for expansion valve operation.
Troubleshooting flowchart for units failing to operate.
Troubleshooting for issues where the thermostat prevents operation.
Troubleshooting flowchart for capacity control malfunctions.
Steps to enter failure diagnosis mode using remote controller buttons.
How to interpret the display during failure diagnosis.
Procedures for diagnosing faults and performing test operations.
How to stop test operation and reset the indoor unit fault log.
Overview of LED indicators for fault diagnosis on PCBs.
Troubleshooting steps for power supply and LED-related faults.
Diagnoses for various sensor system failures.
Troubleshooting for indoor/outdoor and remote controller communication issues.
Diagnoses for high pressure, overload, and other component issues.
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