The Following Symptoms Are Normal - Mitsubishi Electric PUHY-P250YNW-A Service Handbook

[6-4 The Following Symptoms Are Normal ]

6-4 The Following Symptoms Are Normal
Symptoms
When the main power is
turned on, the display shown
on the right appears on the in-
door unit remote controller for
5 minutes.
Sound of the refrigerant flow is
heard from the indoor unit im-
mediately after starting opera-
tion.
BS_06_C
Remote controller
display
System is starting up. Wait until "HO" goes off.
"Ho" blinks
This is caused by the transient instability of the refrigerant flow and is nor-
mal.
Normal display
Cause
5
chapter 6 -