– 17 –
TROUBLESHOOTING GUIDE
0
5
10
15
20
25
30
35
31
24
19
15
12
10
8
7
tester
resisitance
secondary blue
primary red
〔
fig. 2
〕
Voltage of TAN fan motor
〔
fig. 1
〕
Resistance of transformer
primary red-red
secondary
blue-blue
●
Transformer resistance
about 800
Ω
《
Check the power source
》
The transformer is located in inner part in the control box/
Measure taking off the connectors (primary & secondary)
《
Check the TAN PCB(main controller)
》
Measure the voltage between the
connector pins in the back of PCB
(main controller)
normal : 110V
〜
230V
ELECTRIC CHARACTER
〔
table 1
〕
Sensor, temp. room
〔
table 2
〕
Sensor, temp. defrost
Sensor, temp. heat exchanger
Resistance (k
Ω
)
10
15
20
25
30
35
Temp. (
℃
)
Resistance (k
Ω
)
Temp. (
℃
)
tester
voltage
blue
red
yellow
TAN fan motor
connector
47
37
29
23
18
15
CHECK A FOLLOWING STEPS
tester
resistance
4-way valve coil
〔
fig. 3
〕
Resistance of 4-way valve coil
attention
electric shock
《
Check of 4-way valve coil
》
Measure the resistance of 4-way valve coil.
about 1500
Ω
(20
℃
)
TAN
about 430
Ω
TAG
about 3
Ω
about 2
Ω
