Faulty wiring or interference between the outdoor unit and indoor units (Error Codes beginning with E).
Guidelines on the maximum allowable length between the outdoor unit and the farthest indoor unit.
Before full operation, the manual outlines a test run procedure to confirm the system functions correctly. This is initiated by setting rotary switches on the interface P.C. board (e.g., SW01=[2], SW02=[5], SW03=[1] for cooling) and then pressing and holding SW04 for more than two seconds. During this test, temperature settings cannot be changed, and the system will detect errors as usual.
: Step-by-step guides for replacing interface boards (MCC-1606) and inverter boards for compressors or fans.
: Outlines the process for exchanging compressors and checking for oil shortages.
: Explains how to call up error history for long-term diagnostics. Maintenance & Parts :
According to official engineering and service documentation from Cool Designs LTD
