9) Abnormal Cooling Fan Error
1) Reset product.
2) Enter to TEST MODE 1 (press once TEST S/W
on Main PCB)
3) Remove Cover PCB.
4) Check voltage in CON 6 as shown in the pictures.
Disconnect Motor connector, and check status of
plated terminals.
Terminals contact surface must be free of rust and
dirt. Also, the terminals red with a T.P.A., Motor
wire must not have any damage.
5
NO.
CHECKING FLOW RESULT & SERVICE ACTION
6
Result
Service Action
(a) ~ (b)
(b) ~ (c)
Change Main PCB
Normal
Abnormal
Change Motor
Reset the product.
After 3 minutes execute DISPLAY CHECK MODE,
check the result.
Result
Service Action
All Display
LED’s are
turned ON
Cooling Fan
Error Code
appears
Explain to the customer
Normal
Abnormal
Replace Cooling
Fan Motor
7
(a) ~ (b)
Result
Service Action
Wire damage,rust, dirt,
TPA absences.
Normal appearance
Change Main PCB
Go to Step 7
- 90 -
To Next Page
Loading...
