Brother BAS-311E Service Manual page 88

Chapter 6 Power supply and electrical parts adjustment
The machine motor does not run.
Motor operation is unstable.
Needle up stop position is not correct.
Error [E.20] appears.
Error [E.22] appears.
4. Programmer operation
The programmer does not operate.
No switches on operation panel operate.
Keys on the programmer respond, but nothing appears on the
display. (P1-LCD)
Display of the programmer is not lit. (Inverter for P3-LCD)
5. Others
The DC fan motor does not run.
Error [E.c5] appears. (P10 FAN-R)
Error [E.c1] appears. (P10 FAN-L)
Error [E.F1] appears.
Indication is strange.
Any switch does not have any effect.
The power lamp is not lit.
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BAS-311E.311EL.326E.326EL
Main PCB
Machine motor
Ponel circuit board
Programmer circuit board
Programmer circuit board
LCD inverter
Main PCB
DC fan
DC fan
Power supply circuit board
Main PDB
Main PCB
Ponel circuit board