TROUBLESHOOTING GUIDE
Refer to the Troubleshooting Guide below before contacting your local dealer.
PROBLEM | POSSIBLE CAUSE | SOLUTION |
Unit/system does not work | • No command transmitted to unit. | • Press the ON/OFF button. |
• Unit did not receive transmitted command. | • Make sure that remote control is pointed at unit | |
|
| during command transmission. |
POWER Lamp is not lit | • Unit is not properly connected. | • Check electrical connection. |
• Automatic circuit breaker switches to OFF. | • Reset breaker. | |
| • Fuse burned. | • Replace fuse. |
FILTER Lamp is lit | • Filters require cleaning. | • Remove and clean filters. |
| • Move the operation switch to OFF, then REMOTE. | |
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| |
| • Desired temperature setting is higher than | • Lower the desired temperature setting. |
| room air temperature when operating in the |
|
| COOLING mode. |
|
Unit is working, but does not | • Desired temperature setting is lower than | • Raise the desired temperature setting. |
room air temperature when operating in the |
| |
perform the required operation |
| |
HEATING mode. |
| |
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| |
| • The control system is malfunctioning. | • Move the operation switch to OFF, then REMOTE. |
| • There is no direct line of sight between the | • Place the remote control where there is a direct |
| remote control and the unit. | line of sight to the unit. |
Various indicator lamps behave | • Incorrect operation or malfunction. | • Move the operation switch to OFF, then to REMOTE. |
| Restart the unit. If the problem persists, call service | |
other than listed in previous table |
| |
| personnel. | |
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| |
Unit does not operate with the | • The operation switch on the Display Panel | • Move the operation switch to the REMOTE position. |
is in the AUTO or OFF position. |
| |
remote control | • The remote control batteries are weak. | • Replace the batteries. |
| • The remote control is malfunctioning. | • Turn the unit ON and OFF using the operation switch. |
The remote control of another | • Both remote control are transmitting on the | • Call Service Personnel. |
air conditioner interferes with | same wavelength. |
|
unit operation |
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