Midea MSA-OASIS-P25-I User Manual page 55

TROUBLESHOOTING
When troubles occur, please check the following points before contacting a repair company.
Problem Possible Causes
Temperature setting may be higher
than ambient room temperature
The heat exchanger on the indoor or
outdoor unit is dirty
The air filter is dirty
The air inlet or outlet of either unit is
blocked
Poor Cooling Doors and windows are open
Performance
Excessive heat is generated by sunlight
Too many sources of heat in the room
(people, computers, electronics, etc.)
Low refrigerant due to leak or long-
term use
SILENCE function is activated (optional
function)
Power failure
The power is turned off
The fuse is burned out
The unit is not working
Remote control batteries are dead Remote control batteries are dead
The Unit's 3-minute protection has
been activated
Timer is activated
There's too much or too little refrigerant
in the system
Incompressible gas or moisture has
The unit starts and
entered the system.
stops frequently
The compressor is broken
The voltage is too high or too low The voltage is too high or too low
The outdoor temperature is extremely
low
Poor heating Cold air is entering through doors and
performance windows
Low refrigerant due to leak or long-
term use
Indicator lamps
continue flashing
The unit may stop operation or continue to run safely. If the indicator lamps continue to flash or error
Error code appears in
codes appear, wait for about 10 minutes. The problem may resolve itself. If not, disconnect the power,
the window display of
then connect it again. Turn the unit on.
indoor unit:
If the problem persists, disconnect the power and contact your nearest customer service center.
E0, E1, E2...
P1, P2, P3...
F1, F2, F3...
Solution
Lower the temperature setting
Clean the affected heat exchanger
Remove the filter and clean it according to instructions
Turn the unit off, remove the obstruction and turn it back on
Make sure that all doors and windows are closed while
operating the unit
Close windows and curtains during periods of high heat or
bright sunshine
Reduce amount of heat sources
Check for leaks, re-seal if necessary and top off refrigerant
SILENCE function can lower product performance by
reducing operating frequency. Turn off SILENCE function
Wait for the power to be restored
Turn on the power
Replace the fuse
Replace batteries Replace batteries
Wait three minutes after restarting the unit
Turn timer off
Check for leaks and recharge the system with refrigerant
Evacuate and recharge the system with refrigerant
Replace the compressor
Install a manostat to regulate the voltage Install a manostat to regulate the voltage
Use auxiliary heating device
Make sure that all doors and windows are closed during
use
Check for leaks, re-seal if necessary and top off refrigerant
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ENGLISH