Specifications

Last Updated 5/7/13
15
TROUBLESHOOTING
Troubleshooting Tips
If one of the following codes displays
on the indoor air handler, stop the
heat pump mini-split immediately,
disconnect the power and then
connect it again. If the problem still
exists, disconnect the power and
contact the nearest customer service
center.
Display
LED STATUS
E0
Indoor EEPROM parameter
error
E1
Indoor unit and outdoor unit
communication protection
E3
Indoor fan speed has been
out of control
E5
Open circuit or short circuit
of outdoor temperature
sensor or outdoor EEPROM
parameter error
E6
Open circuit or short circuit
of room or evaporator coil
temperature sensor
E7
Outdoor fan speed has been
out of control
P0
IPM malfunction or IGBT
over-strong current
protection
P1
Over voltage or too low
voltage protection
P2
Temperature protection of
compressor top.
P4
Inverter compressor drive
error
Malfunction
Cause
Solution
Heat pump
mini-split
does not
start
Fuse or
breaker may
be blown or
tripped.
Check fuse
or breaker
Battery in
remote
controller
may be dead.
Replace
the battery.
The time you
have set with
timer is
incorrect.
Wait or
cancel
timer
setting.
Heat pump
mini-split
not
cooling
Temperature
setting not
set correctly
Set temp
correctly.
Refer to
"Using
remote
control"
section.
Cold air
blowing
from
indoor air
handler
but room
is not
heating or
cooling.
Air filter is
blocked
Clean air
filter
Doors or
windows are
open
Close
doors and
windows
and check
for drafts
The 3 minute
delay
protection
has been
activated
Wait 3-5
minutes
and try
again
If the trouble has not been corrected,
please contact your local dealer. Be sure
to inform them of the detailed
malfunction and unit model.
Notes: Do not attempt to “repair” the
unit yourself. Always consult an
authorized service provider.