© Ernst Nagel GmbH 2S Trimmer Service Manual en.doc Rev.1.0. 20.07.2011
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Contents
5. Troubleshooting
(continued)
5.3 Fault Code Solutions
(continued)
STR 064
S3 S4 S7 S8 Faulty
Procedure
Check S3/S4/S7/S8 for damage.
There is damage to S3/S4/S7/S8?
Y N
Check if S3/S4/S7/S8 isn’t loose.
S3/S4/S7/S8 is loose?
Y N
Check is S3/S4/S7/S8 isn’t obstructed.
S3/S4/S7/S8 is obstructed?
Y N
Check
wiring
for
S3/S4/S7/S8.
Is there damage on the wiring or a short circuit?
Y N
Check K2.
Is K2 damaged?
Y N
Replace
S3/S4/S7/S8.
Replace
K2
Replace
wire
harness
Remove
obstruction
Tighten
S3/S4/S7/S8
Replace S3/S4/S7/S8
STR 065
S9 Faulty
Procedure
Enter Service mode and select S9 in switches.
Value toggles between “0” and “1” when switch S9 is activated/deactivated?
Y N
1. Replace S9
2. Disconnect the plugs from switch STR-S9. Check wires for Continuity/Short circuit across leads.
Is there a short circuit/no continuity?
Y N
Replace
wire
harness
Replace
PCB6
Check mechanics