Enertech Global
95
EAV - EME/EMD Rev. A Models
Installation and Operations Manual
Outdoor Unit LED Status
The Outdoor Unit Board has six status LEDs for easy control and fault tracing.
Section 12: Troubleshooting
LED Name
LED Color
State
Explanation
K5
Yellow
Not Lit
Relay in de-energised position
Continuous Light
Relay engaged
K3
Yellow
Not Lit
Relay in de-energised position
Continuous Light
Relay engaged
K2
Yellow
Not Lit
Relay in de-energised position
Continuous Light
Relay engaged
K1
Yellow
Not Lit
Relay in de-energised position
Continuous Light
Relay engaged
K4
Yellow
Not Lit
Relay in de-energised position
Continuous Light
Relay engaged
ERROR
Red
Not Lit
No errors
Flashes
Info alarm (temporary), active
Continuous Light Continuous alarm, active
DEFROST
Yellow
Not Lit
No defrosting or protection active
Flashes
Some protection is active
Continuous Light Defrosting in progress
INT COM
Green
Not Lit
No communication with inverter
Flashes
Communication with inverter
EXT COM
Green
Not Lit
No communication with indoor module / control module
Flashes
Communication with indoor module/control module
CPU
Green
Not Lit
CPU without power
Flashes
CPU running
Continuous Light CPU running incorrectly
PWR
Green
Not Lit
Control board without power
Continuous Light Control board power on
N-RELAY
N/A
Not lit
No function
COMPR. ON
N/A
Not lit
No Function
