Complete
Overview Three-phase outdoor units operate differently from single-phase systems due to their PFC (Power Factor Correction) PCB and Active Converter Techno...
Wed, 5 Nov, 2025 at 10:37 PM
Overview The AnywAiR ducted controller relies on a dual-voltage transformer/power supply to deliver both AC and DC outputs to the control box and associate...
Wed, 5 Nov, 2025 at 10:39 PM
Overview The KMTC model range supports a Demo Mode feature that allows the indoor unit to operate without triggering communication errors, even when not co...
Wed, 5 Nov, 2025 at 10:41 PM
Overview Certain Fujitsu indoor unit models, such as ARTG/ and AIRSTAGE ducted series, utilize DC fan motors with two separate plugs — one for power supply...
Wed, 5 Nov, 2025 at 10:43 PM
Overview The UTY-RVNYN touch panel wired remote controller allows configuration and system management through a protected settings interface. If the manage...
Wed, 5 Nov, 2025 at 11:19 PM
Field reports have identified instances of filter PCB coil overheating and failure in Fujitsu LJBYL outdoor units, typically occurring after approximately o...
Wed, 5 Nov, 2025 at 11:22 PM
Overview Field reports have identified intermittent cooling performance issues across Fujitsu Multi Systems — specifically AOTG36LBTA4 and AOTG30LBTA4 mode...
Wed, 5 Nov, 2025 at 11:23 PM
Overview Error 63.1 is an Inverter Current Trip Fault, which can occur either due to a faulty Inverter PCB or an internal compressor issue. The error ty...
Wed, 5 Nov, 2025 at 11:24 PM
Overview This procedure provides the required service menu access password and outlines two critical operational settings — Carter Oil Timer and Blackout S...
Wed, 5 Nov, 2025 at 11:25 PM
Overview This procedure details how to manually clear system errors from the VRF outdoor unit control PCB using the onboard Mode, Select, and Enter switche...
Wed, 5 Nov, 2025 at 11:31 PM