Hyundai HSH-121NBE, Service Manual

Page: 24 / 259

6
6
.
.
C
C
O
O
N
N
T
T
R
R
O
O
L
L
M
M
O
O
D
D
E
E
indicators will be lit in 10 sec, then turn OFF except the Sleep light.
5.3 Self-diagnosis
The room temperature and indoor pipe temperature are the important
factor for the appliance operation, when the room temperature sensor broken or
shorted is detected, it will set the room temperature at 23
℃
, and the
compressor will be cycled with power ON in 20 min and OFF in 3 min.
When the temperature sensor of the indoor pipe coil temperature broken or
shorted is detected, it will set the indoor pipe temperature at 35
℃
, and the
compressor will be cycled power ON in 20 min and OFF in 3 min. if the appliance
run in Heat mode, it will be cycled Defrost in 8 min when the total run time of
compressor exceed 50 min.
When the failure of the room temperature and indoor pipe temperature
sensor occurs, the compressor will be cycled with Power ON 20 min successively
and OFF 3 min. When the indoor pipe failure occurs, the protection will be
cancelled and the Defrost will be operate as aforesaid.
5.4
Error inquiry
The Error inquiry should be operate in the stand-by state, keep 5 sec press
and hold on the Emergency button, the error code will be displayed in 10 sec,
then the control panel display will recovery to the original. If two or more
malfunction happened, each error code will be displayed alternatively. If the
appliance could save information under no power condition, then the error code
can be inquired as aforesaid with stand-by state after power resume.
Error code: If the troubleshooting inquiry display by digital tube, then the
error code will be displayed, otherwise only the running light ON.
Error
code
Pow
er
Time
r
Runnin
g
Sleep
Remark: ★： Light Ο ： Flash × ：
OFF
1 2 3 4 Content Remark
1 × Ο × × The failure for
temperature sensor of
outdoor heater
exchange h/c
33 Ο × ×
★
The failure for
temperature sensor of
indoor pipe coil
22