Error Codes for Vertex Ducted Central Split (DYC-18) Systems
Error Code Table for Vertex Ducted Central Split (DYC-18) Systems
This article provides an error code table for Vertex Ducted Central Split (DYC-18) systems.
Indoor Unit Fault Table for Vertex Ducted Central Split (DYC-18) Systems
This article provides an indoor unit fault table for Vertex Ducted Central Split (DYC-18) systems.
Parameter Check Table for Vertex Ducted Central Split (DYC-18) Systems
This article provides the parameter check table for Vertex Ducted Central Split (DYC-18) systems.
ATL Error Code
The "ATL" error code indicates over-temperature protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
E1 & F0 Error Codes
The "E1" and "F0" error codes indicate a communication failure between the indoor and outdoor units. This article is for Vertex Ducted Central Split (DYC-18) systems.
E2 Error Code
The "E2" error code indicates a T1 indoor unit sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems.
E3 Error Code
The "E3" error code indicates a T2 indoor unit sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems.
E4 Error Code
The "E4" error code indicates a R454b sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems.
E6 Error Code
The "E6" error code indicates a refrigerant leakage fault. This article is for Vertex Ducted Central Split (DYC-18) systems.
E7 Error Code
The "E7" error code indicates an indoor control board chip failure. This article is for Vertex Ducted Central Split (DYC-18) systems.
E8 Error Code
The "E8" error code indicates indoor fan protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
E9 Error Code
The "E9" error code indicates smart controller communication error. This article is for Vertex Ducted Central Split (DYC-18) systems.
F4 Error Code
The "F4" error code indicates a T4 outdoor ambient temperature sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems. The error code shows on the display board. Cause: Sensor reading error.
F5 Error Code
The "F5" error code indicates a T5 exhaust temperature sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems.
F6 Error Code
The "F6" error code indicates a T3 condenser temperature sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems. The error code shows on the display board. Cause: Sensor reading error.
F7 Error Code
The "F7" error code indicates a T7 temperature sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems.
F8 & HE Error Codes
The "F8" and "HE" error codes indicate a T7 temperature sensor error in detecting condensation risks. This article is for Vertex Ducted Central Split (DYC-18) systems.
F9 Error Code
The "F9" error code indicates AC undervoltage and overvoltage protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
FA & FB Error Codes
The "FA" and "FB" error codes indicate the chip of the outdoor unit main board is faulty. This article is for Vertex Ducted Central Split (DYC-18) systems.
FC Error Code
The "FC" error code indicates an IPM module temperature fault. This article is for Vertex Ducted Central Split (DYC-18) systems.
FD Error Code
The "FD" error code indicates a HLP pressure sensor failure. This article is for Vertex Ducted Central Split (DYC-18) systems.
FE & H8 Error Codes
The "FE" and "H8" error codes indicate a T3 or T5 sensor disconnect error. This article is for Vertex Ducted Central Split (DYC-18) systems.
FF Error Code
The "FF" error code indicates a high-pressure switch disconnection. This article is for Vertex Ducted Central Split (DYC-18) systems.
H0 Error Code
The "H0" error code indicates a communication failure between the main control chip and IPM chip. This article is for Vertex Ducted Central Split (DYC-18) systems.
H2 & P1 Error Codes
The "H2" and "P1" error codes indicate high pressure switch protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
H3 & PD Error Codes
The "H3" and "PD" error codes indicate high pressure abnormal failure protection in Heating mode. This article is for Vertex Ducted Central Split (DYC-18) systems.
H5 & P2 Error Codes
The "H5" and "P2" error codes indicate low pressure abnormal failure protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
H6 & P4 Error Codes
The "H6" and "P4" error codes indicate an exhaust temperature too high protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
L0 & L1 Error Codes
The "L0" and "L1" error codes indicate DC cable bus low or high voltage protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
LA, LB, LC, LD, LE, & LF Codes
The "LA", "LB", "LC", "LD", "LE", and "LF" codes are not error codes.
P3 Error Code
The "P3" error code indicates overcurrent protection of the primary side or secondary side. This article is for Vertex Ducted Central Split (DYC-18) systems.
P5 Error Code
The "P5" error code indicates an outdoor coil temperature over-high protection in Cooling mode.
P6 Error Code
The "P6" error code indicates IPM module protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
P7 Error Code
The "P7" error code indicates T2 freeze protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
P8 & H4 Error Codes
The "P8" and "H4" error codes indicate an IPM high temperature protection. This article is for Vertex Ducted Central Split (DYC-18) systems.
P9 Error Code
The "P9" error code indicates a DC fan malfunction. This article is for Vertex Ducted Central Split (DYC-18) systems.
PC & H7 Error Codes
The "PC" and "H7" error codes indicate a wet operation malfunction. This article is for Vertex Ducted Central Split (DYC-18) systems.