Midea V8 VRF Series Service Manual page 82

6.1.34 dE5 - INTELLECTUAL EYE sensor fault
Note: The INTELLECTUAL EYE sensor (or human detector) on the smart panel is used to detect the location of the human
body.
Error display
The faulty IDU and other IDUs of the same system: operate normally.
Error impact
ODU of the same system: operate normally.
If the control board of intelligent panel has lost communication with the INTELLECTUAL EYE sensor for 10s
Error trigger
and a fault signal has been sent to the IDU main control board
Error recovery
Automatic recovery
Possible cause See the Troubleshooting section.
Troubleshooting
Digital display
Cause 1: The communication cable
between the human detector and the
control board on the intelligent panel
Cause 2: The IDU main control board
Cause 3: The control board on the
dE5
intelligent panel is damaged
Cause 4: The intelligent panel is
connected to a wrong IDU
Cause 5: If the error cannot be
cleared after causes 1/2/3/4 have
been eliminated, the human detector
Display position
Panel, wired controller
is loose
is damaged
is damaged
V8 VRF Indoor Units
Connect the cable
properly
Replace the main
control board of the
IDU
Replace the control
board on the
intelligent panel
Replace the panel or
IDU
Replace the human
detector
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