Error Code: C-0338 Follow

Classification
PF: PF-707m dehumidifier fan abnormality
 

Cause
An error detection signal is detected continuously for a specified period of time while the dehumidifier fan/Rt1 (FM21) and the dehumidifier fan/Lt1 (FM22) are ON.
An error detection signal is detected continuously while you retry power feed several times.
 

Measures to take when an alert occurs
The main body and the option stop immediately.
 

Estimated abnormal parts
• Dehumidifier fan/Rt1 (FM21), dehumidifier fan/Lt1 (FM22)
• PF drive board (PFUDB)
 

Correction
Note
▪ The message "Please call service" is displayed on the panel.
 

Solution
1. Check the connector connections between PFUDB (PF-707m) and FM21, FM22, and the wiring. Then repair it when there is any abnormality.
2. Rotate FM21, FM22 by hand or the IO Check (42-44). Then repair or replace it when there is any abnormality. (Wiring diagram: PF (2/2): 8-B, 8-A)
3. Replace FM21 or FM22, and PFUDB at the same time.