Outdoor Fan Ipdu Error - Toshiba Super MMU-AP0091H Service Manual

Check code name
[P22] / [1A]
(d07 / AI-NET)
0 ∗ : IGBT short circuit
Sub-code:
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

NO
YES
YES
YES
YES
201
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
1 ∗ : Position detect circuit error
4 ∗ : Motor current error detected
D∗ : TH sensor error
Correct cable connector connection.
Retightening of screws, etc.
Replace fan IPDU.
Correct cause of overload.
Replace motor.