© Ernst Nagel GmbH 2S Trimmer Service Manual en.doc Rev.1.0. 20.07.2011
50
Contents
5. Troubleshooting
(continued)
5.3 Fault Code Solutions
(continued)
STR 004
Motor2 Cycle Timeout
Procedure
Enter the Service mode and select Trimmer Knife home position (STR S10) in Switches.
The switch indicates: 1 when activated,
and: 2 when not activated?
Y N
Go
to
STR 066 – S10 Faulty
Disconnect Motor2 (STR M2), enter the Service mode and select Motor1 (STR M1) in motors, unlock and start Motor1 (STR M1)
The
motor energizes?
Y N
Go
to
STR 003 – Motor 1 Open Circuit
Connect Motor2 (STR M2) Disconnect Motor1 (STR M1), enter the Service mode and select Motor2 (STR M2) in motors, unlock and
start Motor2 (STR M2)
The motor energizes?
Y N
Go
to
STR 006 – Motor 2 Open Circuit
1. Make sure that nothing interferes with the mechanical movement.
2. Lubricate where needed.