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VRF-SVX26D-EN
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Troubleshooting
Troubleshooting
Refer to the following table for solutions to common problems.
Table 4.
Solutions to common problems
Problem
Solution
The unit does not operate
immediately after restarting it.
The anti-short cycle timer prevents the unit from operating immediately to keep
it from overloading. The unit will start in 3 minutes.
The unit does not operate.
Verify the following:
The power plug is properly inserted into the wall receptacle.
There has not been a power failure.
The circuit breaker is switched on/fuses are good.
The temperature does not change. Verify that the unit is not operating in Fan mode. If it is, select a different mode.
The unit is not producing warm/
cool air.
Verify the following:
Temperature setting on remote control is higher/lower than the current
temperature.
Air filter is not clogged with dirt.
If the unit has just been turned on, wait 3 minutes for the anti-short cycle timer
to expire.
Air flow is unobstructed.
Line size and length is correct and does not exceed factory recommendations.
Operating mode is heat/cool.
If unit is not producing warm air, is it set to Cool mode?
Remote control is not for a cooling-only unit.
That the unit has not been installed in direct sunlight. If so, hang curtains or
shades on windows to filter the sun and increase unit efficiency.
The fan speed does not change. Verify that Auto or Dry mode is selected. Either of these modes automatically
adjust the fan speed.
Timer function does not work.
Press the Power button on the remote control after setting the time.
Odors permeate the room during
operation.
Verify the origin of the odor. Operate the unit in Fan mode or open the windows
to air out the room.
The unit makes a bubbling sound.
A bubbling sound may be heard when the refrigerant is circulating through the
indoor unit during certain system operating conditions, which should normally be
of short duration.
Water is dripping from the air flow
blades.
If the unit has been running for an extended period of time with the blades fully
open, adjust the blades to mid-position to alleviate condensation formation.
The remote control is not working.
Verify that:
Batteries are not depleted.
Batteries are correctly installed.
Nothing is blocking the remote control sensor.
No strong fluorescent or neon lighting is near the unit, which may interrupt the
signal.
The unit does not turn on/off with
the wired remote control.
Ensure that the wired remote control is not set for Group Control.
Indicators on the digital display
flash.
Press the Power button on the remote control to turn the unit off. Then switch the
circuit break off and then on again.