Samsung HL-R4667W - Chapter 6 Troubleshooting; Checkpoints by Error Mode

Troubleshooting
Samsung Electronics 6-1
6. Troubleshooting
6-1 Checkpoints by Error Mode
1. Power Light: Check the master switch (ON/OFF) and the fuse to see if they are operating.
2. LED Blinking: See the basic LED checklist in 6-2-1
< Blinking Temp & Timer LED >
Are fans running?
Yes
Yes
Yes
Replace Detect Board
Check for 8Vdc at
CN103 & 104 on Detect
Board
Replace fan(s)
Check CN802 pins 8&10 on
the Power board for 12VB
No
No
No
Replace Power Board
Replace
the Analog board
< Blinking Lamp and Temp LEDs >
CN101
Is lamp cover installed?
Make sure lamp cover
switch is activating
Short CN101 on
Sub-Detect Board
Check boss
on Lamp Cover
Replace the Sub-Detect Board
Install lamp cover
Yes
Yes
No
No
No
Replace the Digital Board
No
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9/13/15
Published in Heiloo, Holland.