5. Troubleshooting
Check the basic checkpoints first to determine whether it is machine trouble or a problem in the
operation method. When it is not related to the basic checkpoints, perform checking in accordance
with the procedures of troubleshooting by symptom.
5-1 Basic Checkpoints for Troubleshooting
1) Is the voltage of the power source appropriate ?
- The air conditioner may not operate properly when the voltage is out of range.
2) Is the connection with the fan motor, compressor wire, and starting condenser
appropriately made ?
3) The symptoms listed in the table below are not indicative of machine trouble.
Symptom
No operation
Air flows, but
no cooling
The remocon does
not operate
No temperature
setting
•
Checking and Display of Fault Area
ERROR OPERATION
ROOM THERMISTOR
(OPEN OR SHORT)
Samsung Electronics
• Check whether there is power failure or the power plug is pulled out.
• Check whether the unit is stopped as a result of completion
of the sleep time.
• Pull out the power plug for ten seconds, and then insert it again.
• Check whether the Air filter is clogged with dust or is dirty.
• Check whether the desired temperature is too high. Set the desired
temperature to a lower level than the current temperature.
• Check whether it is in "FAN" mode.
• Check whether battery is completely depleted.
• Check whether the battery is properly inserted.
• Check whether the receiving window of the remocon for the assembly
panel PCB is blinded.
• Check whether the remocon is affected by jamming due to a neon sign.
• Check whether the unit is in "FAN" mode.
(In "FAN" mode, only the current temperature is displayed, and the
desired temperature is not set.)
7-SEG
LED DISPLAY (LE01)
E1 displayed
Cause and check
5-1