Toshiba MiNi-SMMS MCY-MAP0501HT Service Manual page 142

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