SHINKO-4/5 ton High Efficiency A5 Duct Technical Manual
53
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DC fan motor error (E6/Eb)
E6
Motor wire connect not securely
Yes
Correct the motor wire
No
The indoor fan wheel is blocked by foreign
matter
Yes
clean the matter
No
The difference between ESP setting and
actual resistance of the duct is too large
Yes
Set the correct ESP according to the
installation manual
No
There is strong convection weather.
Yes
No need to have service.
No
1.The voltage between black wire and white
wire on CN3 is not in the range 14-18Vdc
2.The voltage between black wire and
yellow wire on CN3 is not in the range
2.1-4.6Vdc
Yes
Replace the control board.
No
The motor failed
Yes
Replace motor
No
No need to have service if the fault doesn’t
recurrence
9.
Spot check
0
Normal display
1
Ts (Actual setting temperature)
2
Actual room temperature T1
（
The lowest temperature that can display is -9
℃）
3
Actual
Temperature in the middle of indoor evaporator T2
（
The lowest temperature that can display is -9
℃）
4
Version number of main program software of the indoor unit
5
Display “――”
Note: Press the manual button, the display panel shows according to the spot check table.