© Ernst Nagel GmbH 2S Trimmer Service Manual en.doc Rev.1.0. 20.07.2011
76
Contents
5. Troubleshooting
(continued)
5.3 Fault Code Solutions
(continued)
STR 081
36V input High
•
Go
to
STR 080 – 36V input Low
STR 082
36V output Low
•
Go
to
STR 080 – 36V input Low
STR 083
36V output High
•
Go
to
STR 080 – 36V input Low
STR 084
24V Low
Disconnect connector 3P6. Measure between the wires (Red1 & Black3)
The voltage is approximately 24V?
Y N
Check the wires for damage or short circuit across leads.
Is there damage or a short circuit?
Y N
Replace
transformer
Replace
wire
harness
Replace PCB3
STR 085
24V High
•
Go
to
STR 088 – 24V Low
STR 086
36V M6DC PCB1 Low
Disconnect connector 1P11. Measure between the wires (Red1&Black2)
The voltage is approximately 36VDC?
Y N
Check 1P11 wire for damage or Short Circuit across leads. (Red1&Black2)
Is there damage or a short Circuit?
Y N
Disconnect
connector
3P5.
Measure between pin 1 and pin2.
The voltage is approximately 36VDC?
Y N
Replace
PCB3
1.
Replace
wire
harness
2. Replace K1
Replace wire harness
Replace PCB1
