Table of Contents
Advertisement
7-4. Air conditioner operates, but abnormalities are observed.
7-4-1. Indoor unit operates, but there is no cooling.
Check solenoid valve in outdoor unit.
Measure coil resistance of solenoid valve
7-4-2. Poor cooling.
Check position of remote control unit.
•
•
Cool air from air conditioner
reaches position directly.
Wide and narrow tubes between
•
indoor unit and outdoor unit are
insulated.
YES
Measure temperature of suction
•
and discharge air of air conditioner.
Temperature difference between
suction and discharge air is
large enough (approx. 10 deg. or more).
•
Check for clogging of air filter.
•
Fan speed is set to LOW.
•
Review cooling load estimate,
if performance of air conditioner is
normal.
7-4-3. Excessive cooling.
Set temperature is suitable.
•
•
Remote control unit is placed
where it can detect room
temperature properly.
(SVA , SVB)
YES
NO
Temperature
difference
is small.
Possibility of
gas shortage.
Air filter is clogged.
YES
NO
NO
36
32
Change position of
remote control unit.
Insulate both wide and
narrow tubes
separately and then
tape together.
REP
CE
refrigerant
gas
Clean filter.
Set fan speed to either
HIGH or MEDIUM.
Reduce cooling load
or replace the air
conditioner with
larger capacity.
Set temperature to
higher value using
temperature setting
buttons of the remote
control unit.
Change position of
remote control unit.
Advertisement
Table of Contents
