13-3
TROUBLESHOOTING
SM CKDDCI 2-A.3 GB
No.
SYMPTOM /
PROBLEM
PROBABLE
CAUSE
CORRECTIVE ACTION
7
Water leakage from
indoor unit
Indoor unit
drainage tube is
blocked
Check and open drainage tube
Outdoor unit
8
Outdoor unit display
board and leds are
off
No power
supply
Check supply voltage to main terminals L and N
with volt meter.
Miss-wiring
Check all supply wiring to controller and
terminals according to wiring diagram
Loose
connection
Check all power wiring connections
Burnt fuse
Check fuse on the main board (
13.5.8
)
If still not OK
Replace main board (
14.1.13
)
9
Compressor does not
start operation
One or some
components are
not operating
well
Check for any fault code shown on display
board and act accordingly (
13.4
)
Electronics
control problem
or protection
PFC Chock coil
Check the PFC Chock coil (
13.5.6
)
Driver failure
Check if fault code #11, 18, 19 or 26 is
shown on display board. If so, fix the problem
according to
(13.5.5)
or replace driver (
14.1.15
).
If still not OK
Replace compressor (
14.1.10
)
