Troubleshooting PACD011001C2
162 Troubleshooting Urban Multi “MX1, ME1 Series” Using R-22
3.7 Indoor Unit: Drain Level above Limit
Remote Controller
Display
AF
AFAF
AF
Supposed Causes
„
Humidifier unit (optional accessory) leaking
„
Defect of drain pipe (upward slope, etc.)
„
Defect of indoor unit PC board
Troubleshooting
Defect of indoor unit PC board
Modify the drain piping.
YES
YES
Check if the humidifier unit is leaking.
NO
NO
Field drain
piping has a defect such as
upward sloping.
A humidifier
unit (optional accessory) is
installed on the indoor
unit.
(VF034)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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