Premium PPA1208J - Page 9

8
Trouble Shooting Flow for Low/High Fan-Speed Running Failure
There is foreign body in fan motor , and fan
motor cannot work with too big resistant.
Remove the foreign body
YES
NO
NO
YES
NO
YES
Re-insert fan terminator plug, then
check if it is OK .
Replace the fan motor with the
same model No.
NOT
OK
OK
Replace main control panel
NO
YES
NO
YES
Replace main control panel
Re-insert fan terminator plug, then
check if it is OK.
Repalce the fan motor with the same model
No., then check if it is OK .
NOT
OK
OK
Replace main control panel
NOT
OK
OK
Replace main control panel
Replace main control panel
Check if there is strong power out
from low fan-speed relay.
Low fan -speed running failure after machine turns on.
Check if there is strong power out from power supply line of
low fan-speed.
High fan-speed running failure after machine turns on.
Check if there is strong power out from power supply
line of high fan-speed.
Check if there is strong power out
from high fan-speed relay.