8. TROUBLESHOOTING
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.
8-2. 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.
<Clock display > Test run mode
PROCEDURE
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 HIGH POWER button and 1 HR TIMER button. Then, press and hold the ACL (reset) button with a pointed object such as the tip of a pen. After 5 seconds, release ACL button first, then release HIGH POWER and 1 HR TIMER buttons,
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
ON/OFF operation button
HIGH POWER button
1HR.
TIMER button
ACL
(Reset)
button
31