It seems that water is supplied too slowly.
When the water is supplied little by little
(or IE Error appears
1. When the water faucet was not open,
2. When Comance or the Mini Wash is connected to the Main Washing Machine with the divergent valve for water supply,
the water pressure of one side becomes low and the water-supply might be slow or an IE error appears.
How to fix
1.Open the faucet connected to the Water-Supply valve harder.
2.When water is supplied to two products by one valve, the water pressure might be lowered and the Water-Supply might be slow. This is the normal phenomenon and not malfunction.