10. TROUBLESHOOTING
■Precautions before performing inspection or repair
●After checking the
●
If the outdoor controller is normal, approximately 30 seconds will be required for the charge to dissipate. However, allow at least 5 minutes for the charge to dissipate if there is thought to be any trouble with the outdoor controller.
< Clock display >
Test run mode
■Method of self-diagnostics
Follow the procedure below to perform detailed trouble diagnostics.
NOTE
1:If the operation lamp blinks every 0.5 seconds immediately when the power is turned ON, there is an external ROM (OTP data) failure on the indoor circuit board, or a ROM socket insertion problem, or the ROM has not been installed.
2:The failure mode is stored in memory even when the power is not ON. Follow the procedure below to perform diagnostics.
QUIET button
AIR CONDITIONER
UIET | ON EI/OFF E | ON/OFF |
| operation | |
|
| button |
1HR. |
| 1HR. |
|
| |
TEMP. | TIMER | |
|
| button |
| MODE |
|
FAN SPEED | NIGHT SETBACK |
|
FLAP | HIGH POWER |
|
Executing self-diagnostics
After turning on power to the air conditioner, use the remote controller and follow the steps below to execute
Step 1: Press and hold the remote controller QUIET button and 1 HR TIMER button. At the same time, press the ACL (reset) button. Use a pointed object such as the tip of a pen to press the ACL button.
When this has been done,
Step 2: Next, press the 1 HR TIMER button once to change the display from
Step 3: Finally press the ON/OFF button to engage
•The
•A maximum of 3
•The 3 lamps remain OFF if no trouble has occurred.
<IMPORTANT> After
TIMER |
| ||
CANCEL | CLOCK |
| |
SENSOR | F 12H 24H | ACL | |
ADR | ACL | ||
|
(Reset) button
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