Enertech AV Series - Outdoor Unit LED Status

Enertech Global, LLC 67
AV : MD/ME - Rev. A Models
Installaon and Operaons Manual
Outdoor Unit LED Status
The Outdoor Unit Board has six status LEDs for easy control and fault tracing.
LED Name LED Color State 
K5 Yellow
Not Lit Relay in de-energised posion
Connuous Light Relay engaged
K3 Yellow
Not Lit Relay in de-energised posion
Connuous Light Relay engaged
K2 Yellow
Not Lit Relay in de-energised posion
Connuous Light Relay engaged
K1 Yellow
Not Lit Relay in de-energised posion
Connuous Light Relay engaged
K4 Yellow
Not Lit Relay in de-energised posion
Connuous Light Relay engaged
ERROR Red
Not Lit No errors
Flashes Info alarm (temporary), acve
Connuous Light Connuous alarm, acve
DEFROST Yellow
Not Lit No defrosng or protecon acve
Flashes Some protecon is acve
Connuous Light Defrosng in progress
INT COM Green
Not Lit No communicaon with inverter
Flashes Communicaon with inverter
EXT COM Green
Not Lit No communicaon with indoor module / control module
Flashes Communicaon with indoor module/control module
CPU Green
Not Lit CPU without power
Flashes CPU running
Connuous Light CPU running incorrectly
PWR Green
Not Lit Control board without power
Connuous Light Control board power on
N-RELAY N/A Not lit No funcon
COMPR. ON N/A Not lit No Funcon
Secon 10: Troubleshoong