MAXA MI26A - Remote Controller Troubleshooting; System Error and Failure Codes

7. TROUBLESHOOTING
7.1. Troubles and causes of air conditioner
If one of the following malfunctions occur, stop operation, shut off the power, and contact with the dealer.
• Indicator lamps flash rapidly (5Hz), after your disconnection and connection of the unit again, the situation is the same.
• Fuse or circuit breaker work frequently.
• Foreign matter or matter has fallen into the unit.
• Remote controller is disabled or the switch is out of order.
• Any other unusual condition is observed.
Symptoms
Causes
Solution
Unit does not start
• Power failure.
• Power switch is off.
• Fuse of power switch may have burned.
• Batteries of remote controller exhausted or
other problem of controller.
• Wait for the comeback of power.
• Switch on the power.
• Replace Location:
• Replace the batteries or check the controller.
Air flowing normally
but completely can't
cooling
• Temperature is not set correctly. • Set the temperature properly.
Low cooling effect
• Outdoor unit and indoor unit heat exchanger is
dirty.
• The air filter is dirty.
• Inlet/outlet of indoor/outdoor units is blocked.
• Doors and windows are open.
• Sunlight directly shine.
• Too much heat resource.
• Outdoor temp. is too high.
• Clean the heat exchanger.
• Clean the air filter.
• Eliminate all dirties and make air smooth.
• Close doors and windows.
• Make curtains in order to shelter from sunshine.
• Reduce heat source.
• AC cooling capacity reduces (normal).
Low heating effect
• Outdoor temperature is lower than 7°C.
• Doors and windows not completely closed.
• Use heating device.
• Close doors and windows.
Water flows out from
the unit
• The water in the drainpipe is too cold and
condensing.
• Pack the drainpipe with a insulation cotton.
• The drainpipe is clogged or broken up.
• Clean or change the drainpipe
• The connection of the inlet/outlet pipe is not
close.
• Connect the piping well.
• The drainpipe outlet is so high that the water
goes out from the condensate collecting plate.
• Set the drainpipe outlet lower than the unit’s
bottom.
• The unit is heavily inclined.
• Place the unit horizontal.
30