183
10.3.3.4 Outdoor unit fan speed has been out of control (E8)
Power off, then restart the
unit 2 minutes later. Is it still
displaying the error code?
Power off, then restart the
unit 2 minutes later. Is it still
displaying the error code?
Shut off the power supply,
rotate the fan by hand. Does
it rotate properly?
Shut off the power supply,
rotate the fan by hand. Does
it rotate properly?
The unit operates normally.
The unit operates normally.
Find out the cause and
have it solved. For
example,
whether the fan
is blocked or the screws
which fix the fan are
tighten.
Find out the cause and
have it solved. For
example,
whether the fan
is blocked or the screws
which fix the fan are
tighten.
Check the wiring of fan
motor. Are all the
connections good?
Check the wiring of fan
motor. Are all the
connections good?
No
Yes
No
Correct the connections.
Correct the connections.
No
Replace the fan motor
Replace the fan motor
Yes
Yes
Replace the main PCB
Replace the main PCB
No
Check whether the main PCB
is normal through index 1?
Check whether the main PCB
is normal through index 1?
Yes
No
Index 1:
1. Outdoor DC fan motor (control chip is inside fan motor)
Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor
connector. If the value of the voltage is not in the range showing in below table, the PCB must have
problems and need to be replaced.
DC motor voltage input and output
NO.
Color
Signal
Voltage
1
Red
Vs/Vm
140V~380V
2
---
---
---
3
Black
GND
0V
4
White
Vcc
13.5-16.5V
5
Yellow
Vsp
0~6.5V
6
Blue
FG
15V
Summary of Contents for Frigicoll KAM-DN7
Page 1: ...KAM DN7 ...
Page 2: ...2 ...
Page 60: ...60 For KAY 26 DN7 For KAY 35 DN7 ...
Page 61: ...61 For KAY 52 DN7 For KAY 71 DN7 ...
Page 62: ...62 4 Wiring Diagram KAY 26 DN7 KAY 35 DN7 KAY 52 DN7 KAY 71 DN7 ...
Page 79: ...79 For KAY S 26 DN7 For KAY S 35 DN7 For KAY S 52 DN7 ...
Page 80: ...80 For KAY S 71 DN7 ...
Page 96: ...96 For KAY D 26 DN7 KAY D 35 DN7 For KAY D 52 DN7 ...
Page 97: ...97 4 Wiring diagram KAY D 26 DN7 KAY D 35 DN7 KAY D 52 DN7 ...
Page 119: ...119 3 3 Console 16 Drain pipe 195 Hanging arm 700 600 210 ...
Page 123: ...123 5 Wiring diagram KCI 26 DMN8 KCI 35 DN10 ...
Page 124: ...124 KCI 52 DMNU9 ...
Page 125: ...125 KCIS 71 DMNU9 ...
Page 126: ...126 KPD 20 DMN7 KPD 26 DMN7 KPD 35 DN10 ...
Page 127: ...127 KPD 52 DMNU8 KPD 71 DMNU8 ...
Page 128: ...128 KSD 26 DMN6 ...
Page 129: ...129 KSD 35 DN9 ...
Page 130: ...130 KSD 52 DMNU8 ...
Page 131: ...131 6 Static Pressure Duct KPD 20 DMN7 KPD 26 DMN7 ...
Page 132: ...132 KPD 35 DN10 KPD 52 DMNU8 ...
Page 133: ...133 KPD 71 DMNU8 ...
Page 149: ...149 Wiring diagram KAM2 42 DN7 KAM2 52 DN7 ...
Page 150: ...150 KAM3 62 DN7 KAM3 78 DN7 ...
Page 151: ...151 KAM4 80 DN7 ...
Page 152: ...152 KAM4 105 DN7 ...
Page 153: ...153 KAM5 120 DN7 ...
Page 196: ......