Error code and solutions
Starting delay
You
may
notice
a
few
minutes
delay
in
the
starting
if
you
try
to
restart
the
unit
too
soon
after
turning
it
off
or
if
you
adjust
the
thermostat
right
after
the
compressor
has
shut
off
.
This
is
due
to
a
built–
in
delay
to
protect
the
compressor
.
Buzzer Response
The
buzzer
will
chime
Di”(0.1
sec)as
response
when
receiving
the
effective
order
from
key
pad
control
.
-
16
-
Failure code
Nature of defect
E2
Indoor temperature sensor failure
E3
Indoor coil temperature sensor failure
E5
Outdoor coil temperature sensor failure
E8
Overheating protection/defrosting
E9
Refrigerant high pressure protection
DIAGNOSTIC CODES
The Diagnostic Maintenance provides
detailed information on VTAC control
operation and operational status including
present modes, failures , airflow restriction
,warnings , operating temperatures, and past
failures. To enter Diagnostic Status Report
mode, press and hold the down arrows and,
while
ress the FAN SPEED key for a
holding p
period of five (5) seconds.The meaning of
figure on display pad is as below: X .X ----
(0~4: times of protection)
└ ━
is protection mode(1:anti-frost;
2:overheat; 3:high pressure; 4:anti-freezing)
For example, 3.3 means high pressure
occurred 3 times.
outdoor
if the external instead of internal drain
connection
method
is
used
.
