Samsung WF455ARG Series Training Manual page 40

5. Test Mode & Error Check : Service Mode
Definition of Service Mode:
- Service Mode enables service technicians to verify the operation of the washing machine and
do troubleshooting.
- Service Mode can be entered during all washing cycle without interrupting the cycle except
some of test modes.
- Various tests can be done with Service Mode. So, troubleshooting can be done based on the
resulting diagnostic codes.
1. The washer must be on to go into the Service Mode.
2. The motor speed will be displayed when started (It displays 0 when the motor does not spin).
3. The present state of the machine will not be changed.
(i.e., the current cycle in progress will not be interrupted and only the display will change)
4. Following Instructions To exit Service Mode.
Model : WF45H6*，WF42H5*
- Press Sound and Extra Rinse Keys for 3 second again, or Power Key.If no key is operated
during
Service Mode for 5 minutes, the machine will return to normal user mode.
If no key is operated during Service Mode for 5 minutes, the machine will return to normal user
Mode.
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