Samsung ML-651x series Service Manual page 143

● Code
A2-1910
● Symptom / Cause
The Main(SMPS) Fan does not work normally.
1. Fan Harness connection is bad.
2. Harness is defective or GND is short.
3. Fan is defective.
● Troubleshooting method
1. Check if the Fan Relay connector is connected properly.
2. Connect the Harness Housing correctly.
3. Check if the Fan harness is normal. If it is defective, replace it.
4. Enter the Tech mode and execute the Main Fan test (EDC code : 100-0260 (SMPS FAN).
To enter the Tech mode, press the button in this order.
(Menu - # - 1 - 9 -3 -4 - OK )
Service Manual
ML-551x / 651x series
4. Alignment and Troubleshooting
● Error message
Actuator Fan Failure: #A2-1910. Turn off then on.
SMPS FAN SMPS FAN
4-48
Samsung Electronics