Part 3 Debugging & Maintenance For R410A System - Haier MRV II Instruction Manual

Data analysis
No. problems
1
EEV
indoors can not
open
sensors
indoors
2
inserted
conversely
liquid pipe (TC2) temp. is low,TC2 ＜
TA+10；
of 6
gas pipe (TC1) temp. is low
because the EEV can not open, so the
refrigerant does not flow, then the coil temp.
is close to ambient temp.
of 2 in heating mode the indoor TC1＞TC2, but
are these two indoor TC1＜TC2
85
diagnose