Samsung SCX-6545N - Page 249

Alignment & Troubleshooting
Service Manual
4-125
Samsung Electronics
Low Heat Error is displayed on LCD
Wire connections between FDB and other devices are
all correct?
N.G
Make wire connections to be completed
Check resistance
AC connector below 10ohm
O.K
O.K
IN FDB PBA
Check 24V
(in 6pin connector No1)
Replace FDB PBA
Go to Cover Open Session
N.G
O.K
N.G
Replace FUSER
In FDB PBA
Check
Lamp 1 sig(con. No. 2) Relay On sig(con no.5)
Replace MCB PBA
N.G
O.K
Fuser Error