Sanyo XMHS1272 User Manual

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TROUBLESHOOTING
If your air conditioner does not work properly, first check the following 
points before requesting service. If it still does not work properly, 
contact your dealer or service center.
OPERATING RANGE
The air conditioner is operable within the temperature ranges as 
listed below:
WIRED REMOTE CONTROLLER
A separately sold wired remote controller (STK-RCS-
7TWSU, 7TWSUA) used with this air conditioner is also 
available. If you wish to use the wired remote control 
function, you will need to purchase the optional wired 
remote controller.
Trouble Possible 
Cause Remedy
Air conditioner does 
not run at all.
1. Power failure. 
1. Restore power.
2. Leakage circuit 
breaker tripped.
2. Contact service 
center.
3. Line voltage is too 
low.
3. Consult your 
electrician or 
dealer.
4. Batteries in remote 
control unit have 
run down.
4. Replace batteries.
OPERATION lamp 
blinks and air 
conditioner does not 
operate.
Trouble in system.
Contact service 
center.
Compressor runs but 
soon stops.
Obstruction in front of 
condenser coil.
Remove obstruction.
Poor cooling (or 
heating) performance.
1. Dirty or clogged air 
filter.
1. Clean air filter to 
improve airflow.
2. Heat source or 
many people in 
room.
2. Eliminate heat 
source if possible.
3. Doors and/or 
windows are open.
3. Shut them to keep 
the heat (or cold) 
out.
4. Obstacle near air 
intake or air 
discharge port.
4. Remove it to ensure 
good airflow.
5. Thermostat is set 
too high for cooling 
(or too low for 
heating).
5. Set the temperature 
lower (or higher).
6. (Outdoor 
temperature is too 
low for heating.) 
6. (Consult your 
dealer or try to use 
another heat 
appliance.)
Clicking sound is 
heard from the air 
conditioner.
In heating or cooling 
operation, any plastic 
parts may expand or 
shrink due to a 
sudden temperature 
change. In this event, 
a clicking sound may 
occur.
This is normal, and 
the sound will soon 
disappear.
OPERATION lamp 
lights but outdoor unit 
will not run.
The use of cellular 
phones near the air 
conditioner may cause 
disturbance to its 
normal operation.
1. Turn off the power 
then restart the air 
conditioner after a 
while.
2. Consult your dealer.
TIMER lamp blinks 
(3 sec. interval) and 
air conditioner does 
not operate.
FLOAT SWITCH is 
actived.
Contact service 
center.
Temperature Indoor 
air 
temperature 
Outdoor air 
temperature
COOLING
Max. 
95 °F DB / 
71 °F WB 
115 °F DB
Min. 
67 °F DB / 
57 °F WB 
67 °F DB
HEATING
Max. 
80 °F DB / 
67 °F WB 
75 °F DB / 
65 °F WB
Min. 
– DB / – WB
0 °F DB
OI-140-16-EG
01_XMHS1272_EN.fm  Page 16  Monday, July 6, 2009  4:10 PM