Troubleshooting Guide
 Troubleshooting 28 
8.2  EL 01 (Indoor and outdoor unit communication error diagnosis and solution)
Description: Indoor unit does not receive the feedback from outdoor unit during 110 seconds and this condition 
happens 4 times continuously.
Recommended parts to prepare:
•   Indoor PCB
•   Outdoor PCB
•   IPM module board
•   Reactor 
Troubleshooting and repair:










