© 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 030
Magnet1 Short Circuit
Procedure
Disconnect the Magnet plug J3. Run the diagnostics.
Fault code STR 029(Open Circuit) is displayed?
Y N
Disconnect connector J1. Check wires for Short Circuit across leads. (Orange6 & Violet 12)
Is there a short Circuit?
Y N
Disconnect plug 1P2 from PCB1 Check wire for Short Circuit across leads. (Violet12)
Is there a Short Circuit?
Y N
Disconnect connector 3P11 from PCB3. Check wire for Short Circuit across leads. (Orange1)
Is there a
short Circuit?
Y N
Replace
PCB1
Run the diagnostics again.
Fault code STR 029(Open Circuit) is displayed?
Y N
Replace
PCB3
Reconnect
all
wires.
Replace
wire
harness
Replace
wire
harness
Replace
wire
harness
Replace motor STR-M6
STR 032
Stacker Motor1 Open Circuit
Procedure
Check if the Belt stacker is connected
Belt stacker is connected?
Y N
Connect Belt Stacker.
Disconnect Belt Stacker connector J12 and activate Belt Stacker Motor1. Measure between points 3 and 4.
The voltage is approximately 22VDC?
Y N
Disconnect connector J1. Measure between points 5 and 11.
The voltage is approximately 22VDC?
Y N
Disconnect plug 1P2 from PCB1 Measure between point 3 and 10.
The voltage is approximately 22VDC?
Y N
Replace
PCB1
Replace
wire
harness
Replace
wire
harness
Belt Stacker Motor1