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General| Brand | Daikin |
|---|---|
| Model | ComfortNet DZ18TC Series |
| Category | Air Conditioner |
| Language | English |
Procedure for checking voltage at various points in the system, including locked rotor voltage.
Information on troubleshooting the ComfortNet system network using LEDs and a learn button.
Detailed table of diagnostic codes for air handlers, including LED status, fault descriptions, causes, and corrections.
Table of diagnostic codes for air handlers, covering symptoms, LED codes, fault descriptions, causes, and corrections.
Procedure for checking the transformer and its control circuit, including voltage tests.
Procedure to check high and low voltage supply to the ECM motor and test fan relay contacts.
Overview of Copeland Comfort Alert diagnostics integrated into the UC control for monitoring system faults.
Procedure to check the high pressure control cutout and set pressure range.
Safety warnings regarding compressor terminal venting and procedures for checking compressor windings.
Guidelines for charging the system with refrigerant, including safety warnings, refrigerant types, and subcooling/superheat adjustments.
Steps to diagnose and address compressor burnout, including oil analysis and cleaning procedures.
