Toshiba MMK-AP0073HP1-E1 Service Manual page 144

Check code
[P22] / [1A]
(Current code / AI-NET)
Sub-code:
0 ∗ : IGBT short circuit
3 ∗ : Motor lock error
C ∗ : TH sensor error (Heat sink overheat)
E ∗ : Vdc error
Are cable connector
connection on fan IPDU and
power P.C. board A'ssy normal?
YES
Is not outdoor fan motor locked?
NO
Is there no loosening on fixation
between fan IPDU and heat sink?
YES
Is sub-code of outdoor I/F P.C. board [0d]?
NO
Is there no problem
such as stuffing or blast blowing to
discharge port of outdoor fan?
NO
Check fan IPDU.
Check code name
Outdoor fan IPDU error
1 ∗ : Position detect circuit error
4 ∗ : Motor current error detected
D ∗ : TH sensor error
NO
YES
YES
YES
YES
144
FILE NO. SVM-16046
Cause of operation
1. Fan lock
2. Fan IPDU P.C. board error
3. Overload cause
4. External cause such as blast
5. Fan IPDU power P.C. board error
Correct cable connector connection.
Replace motor.
Retightening of screws, etc.
Replace fan IPDU.
Correct cause of overload.