© Ernst Nagel GmbH 2S Trimmer Service Manual en.doc Rev.1.0. 20.07.2011
51
Contents
5. Troubleshooting
(continued)
5.3 Fault Code Solutions
(continued)
STR 005
Motor2 Short Circuit
Procedure
Disconnect the Motor plug M2. Run the diagnostics.
Fault code STR 005(Short Circuit) is displayed?
Y N
Replace motor STR-M2.
Disconnect J-CNT1. Run the diagnostics.
Fault code STR 006(Open Circuit) is displayed?
Y N
Disconnect connector J6. Check wires for Short Circuit across leads. (Red2 & Black9)
Is there a short Circuit?
Y N
Disconnect plug 1P3 from PCB1 Check wires for Short Circuit across leads. (Red6 & Black7)
Is there a Short
Circuit?
Y N
Disconnect connector J8. Check wires for Short Circuit across leads. (Orange3 & Violet6)
Is there a
Short Circuit?
Y N
Disconnect
connector
J9.
Check
wires
for Short Circuit across leads. (Orange3 & Violet6)
Is
there a Short Circuit?
Y N
Check
connector
1P3
wires
for Short circuit across leads. (Orange5 & Violet8)
Is there
a Short Circuit?
Y N
Replace STR-PCB1
Replace
wire
harness
Replace
wire
harness
Replace
wire
harness
Replace
wire
harness
Replace
wire
harness
Replace Counter STR-CNT1