3
5-4.
Self-testing function 15
6. System flow principle······························································································· 16
6-1. System flow scenograph 16
6-2. System flow chart 16
7. Circuit diagram·········································································································· 17
7-1. Main control PCB diagram 17
7-2. Brief principle diagram 18
7-3.Sensor and error codes 18
8. Trouble shooting ·······································································································20
SERVICE MANUAL
Model: HRF-660W/U
Issue 2010-09-30
Rev. Ref1009S031V1