4
,
Malfunction code
:
F4
(
the indoor fan motor fault
)
Shut off the power
Take out the plug from the indoor PCB. Then test the
every winding resistance (the normal value: the main
winding is 273
Ω
. the auxiliary winding is 343
Ω
) Fig.12
N
The indoor fan motor is bad
,
then please change it
Y
connect the motor plug with the indoor PCB again and
turn on. Then test the feedback terminal to ground wire
voltage whether it is normal (the normal voltage is
increased gradually from 0 to +2.4VDC) Fig.10
N
The indoor fan motor is bad
,
then
please change it
。
Y
The indoor PCB is bad. Please change it
Check the indoor fan whether it is smooth
N
1. If the fan is bad and change it
2. The bolt what fix the indoor fan is
loose. Please screw it again
3. There are any dirt in the indoor
fan. Please clean it
。
Y
The faulty cause
:
1
、
the fan motor is blocked or turns
abnormally
;
2
、
the motor wire is loose or contacts
ill
3
、
the indoor fan motor has been
damaged
4
、
the indoor PCB is bad
Fig. 12
、
the indoor fan motor
The main winding resistance
(
the motor wire:
black-white 273
Ω)
the auxiliary winding resistance
(
the motor wire: red-white 343
Ω)
Summary of Contents for CS-25V1A-H1; CS-35V1A-E2; CS-50V9A-S; CS-70V9A-T
Page 1: ...DC Inverter Split Air Condition Unit SERVICE MANUAL ...
Page 3: ...3 1 Air conditioning unit parameters ...
Page 6: ...6 ...
Page 8: ...8 The curve diagram of the compressor condensing pressure ...
Page 12: ...12 Capacity Correction Factor Due to Tubing Length One Way Cooling Heating ...
Page 13: ...13 Pressure Curve Suction Pressure Curve Discharge Pressure Curve ...
Page 15: ...15 4 Indoor and outdoor units size 4 1 outdoor Unit CS 25V1A H1 4 2 outdoor Unit CS 35V1A E2 ...
Page 16: ...16 4 3 outdoor Unit CS 50V9A S 4 4 outdoor Unit CS 70V9A T ...
Page 19: ...19 ...
Page 20: ...20 5 2 The explosion diagram and spare parts list for CS 25V1A M81A ON OFF ...
Page 21: ...21 ...
Page 22: ...22 5 3 The explosion diagram and spare parts list for CS 35V1A E2 ...
Page 23: ...23 ...
Page 24: ...24 5 4 The explosion diagram and spare parts list for CS 35V1A P81A ON 0FF F ...
Page 25: ...25 ...
Page 26: ...26 5 5 The explosion diagram and spare parts list for CS 50V9A S ...
Page 27: ...27 ...
Page 28: ...28 5 6 The explosion diagram and spare parts list for CS 50V9A S81A ON 0FF F ...
Page 29: ...29 ...
Page 30: ...30 5 7 The explosion diagram and spare parts list for CS 70V9A T ...
Page 31: ...31 ...
Page 32: ...32 5 8 The explosion diagram and spare parts list for CS 50V9A S ...
Page 33: ...33 ...