Test Operation SiE33-102
80 General Information
4.9 Wiring Check Operation
If within 12 hours of stopping cooling or heating, be sure to run all indoor units in the system you want to
check in the fan mode for about 60 minutes in order to prevent mis-detection.
Operation Method 1. In the monitor mode, check the number of connected indoor units. (See monitor mode.)
2. Push and hold the WIRING CHECK button (BS4) for 5 seconds to perform wiring check operation.
While running, TEST (H2P) lights and goes off when finished.
If TEST (H2P) flickers (wiring check operation failure), push and hold the RESET button (BS5) for 5
seconds, and then repeat the procedure from the beginning.
3. About 1 minute after you finish running the system, once again check the number of connected indoor
units in the monitor mode and make sure the number agrees with the first time you checked. If not, it
indicates that there is a wiring mistake. Fix the wiring of the indoor unit whose remote control displays
“UF” when its ON/OFF switch is turned ON.
Note: Other settings are not accepted during wiring check operation.
Si33-102.book Page 80 Tuesday, June 26, 2001 3:18 PM
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