142
Check code
[P22] / [1A]
(TCC-L / AI-NET)
Check code name
Outdoor fan IPDU error
Cause of operation
1. Fan lock
2. Fan IPDU P.C. board error
3. Overload
4. External cause such as power surge
5. Fan IPDU power P.C. board error
Auxiliary code :
*A: Fan motor current error
*d: Fan motor lock
Is the outdoor fan motor locked?
Check fan IPDU.
Correct cable connector connection.
Correct cause of overload.
Replace fan motor.
YES
YES
Is there no problem such as stuffing or
blast blowing to discharge port of outdoor fan?
Are wire connections on the
fan IPDU assembly normal?
YES
YES
NO
NO
NO
*
CN301, CN303 : Motor coil winding
CN300, CN302 : Motor position detection
Are connections of CN301 and
CN300 of P.C. board correct?
Does the fan rotate without trouble
when handling the fan with hands under condition
of removing CN301 and CN300 from P.C. board?
The status that the resistance values
between leads below is
25 to 55
W
for (ICF-140-63) is normal.
Between (Red lead) and (White lead)
Between (White lead) and (Black lead)
Between (Black lead) and (Red lead)
of motor winding of connector (CN301)
The status that there is
5k to 20kW resistance values between
(Yellow lead) and (Pink lead)
of motor position detection of
connector (CN300) is normal.
1
2
2
3
3
1
1
4
NO
NO
NO
NO
YES
YES
YES
CN301,
*
CN303
CN300
Check code
[P26] / [14]
(TCC-L / AI-NET)
Check code name
G-Tr short-circuit protection error
Cause of operation
1. Outdoor unit power error
2. IPDU error/Cable connection error
3. Compressor error
4. IPDU P.C. board error
Replace IPDU P.C. board.
Is compressor operation normal?
Is wire connector connection
on the IPDU P.C. board normal?
Is the power supply voltage
to the outdoor unit normal?
Is smoothing capacitor normal?
(4700µF, 400V)
Correct power line.
Replace compressor.
Check capacity valve
external appearance.
Correct the wire connections.
YES
YES
YES
YES
NO
NO
NO
NO
