11.2 Outdoor unit error analysis
Error E0: EEPROM error on outdoor unit
Switch off, wait 2 minutes and then switch on again.
Is the error still present?
YES
Replace the control board.
Error E3: Communication error between inverter board and control board
The board shows E3
The control board cannot
communicate with the
inverter board
YES
Is an LED still illuminated
on the inverter board?
NO
YES
Check the electrical con-
nection between the
inverter board and the con-
trol board. Is this correctly
implemented?
NO
Correct the connection. Is
the error still present?
NO
The system is ready for
operation again.
NO
Replace the inverter board.
Is the problem rectified?
YES
NO
Replace the control board.
Is the problem rectified?
YES
NO
Replace the entire electrical
box
REMKO series SKT
38
