Brother BAS-311E Programmer operation, Others, Power supply and electrical parts adjustment

Chapter 6 Power supply and electrical parts adjustment

• The machine motor does not run.	�
		Main PCB
• Motor operation is unstable.
• Needle up stop position is not correct.
• Error [E.20] appears.
• Error [E.22] appears.
		Machine motor

4. Programmer operation

	�
• The programmer does not operate.	Po	nel circuit boa	rd

•No switches on operation panel operate.

�
�
			Programmer circuit board
• Keys on the programmer respond, but nothing appears on the	�
	Pro		grammer circuit bo	ard
display. (P1-LCD)
• Display of the programmer is not lit. (Inverter for P3-LCD)
		LCD inverter
5. Others

• The DC fan motor does not run.	�
					Main PCB
• Error [E.c5] appears. (P10 FAN-R)
• Error [E.c1] appears. (P10 FAN-L)
		DC fan				DC fan
• Error [E.F1] appears.	�
		Power			supply circuit	board
				Main PDB
• Indication is strange.	�			Main PCB
• Any switch does not have any effect.
• The power lamp is not lit.
		P	onel circuit boa				rd

80 BAS-311E.311EL.326E.326EL