BETTCHER
Industries, Inc.
Maintenance
5-6
Maintenance
Operation and Maintenance Manual
Manual No. 185321
June 15, 2018
Fault Detection and Correction (Continued)
Fault Detection Guide
Group 5:
Feed Mechanism Failure.
E
RROR
N
UMBER
P
ROBABLE
C
AUSE
R
EMEDY
5.1 Feed Mechanism
Stuck at Home Position
Optical switch failure.
Check that wire connections are
secure at (P3) and (P8). Check for
broken wires, especially at arm
pivot. Replace optical switch.
Feed motor failure.
Replace auto arm assembly.
Feed motor circuit failure in
controller board.
Check feed motor winding
resistance at connector (P3);
red/black = 14.7 ohm
green/blue = 14.7 ohm
5.2 Can Not Find Home
Position
Bad connection at plug
*(P3) or (P8).
Check that wiring is secure at
plugs. Check for broken wires at
arm pivot.
Feed mechanism failure.
Consult with Bettcher Service
Department.
Optical switch failure.
Check that wire connections are
secure at *(P3) and (P8). Check
for broken wires, especially at arm
pivot. Replace optical switch.
Feed motor circuit failure in
controller board.
Replace controller board.
5.3 Failed Home
Position Signal
Broken or loose wires
Check wire connections at plug.
Check for broken wires, especially
at arm pivot.
Worn feed motor lead screw.
Replace auto arm assembly.
Group 6:
Program Error.
E
RROR
N
UMBER
P
ROBABLE
C
AUSE
R
EMEDY
6.1, 6.2 or 6.3 Internal
Error
There is a fault in the controller
board or the program encountered
an unexpected condition.
Consult with Bettcher Service
Department.
*See Wiring Diagram.
COMPANY
CONFIDENTIAL