Denyo GAW-185ES2, Инструкция по эксплуатации

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Long-term storage of the machine GAW-1850ES2
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6-2 Troubleshooting chart
Trouble phenomenon Probable cause Action
W
e
ld
in
g
No arc is produced. Faulty cable connection
Faulty generator main unit
Failed control unit SCR
Failed Reactor
Failed thermo switch in control unit
•
Check cable connection.
•
Repair or replace the generator.
•
Replace SCR
•
Replace Reactor
•
Replace thermo switch
Welding current regulator
fails to work. Failed welding current regulator
Faulty cable connection
Failed board of control unit
•
Replace the welding regulator.
•
Check cable connection
•
Replace board
S
in
g
le
p
h
a
se
A
C
p
o
w
e
r
s
u
p
p
ly
No voltage (AC 100V) is
produced, and no power is
generated. AC output switch “OFF” position
Failed control unit
Failed generator main unit
Disconnected connector
•
Push the AC output switch to
the “ON” position.
•
Replace control unit
•
Replace the generator.
•
Check the connection
R
e
v
o
lu
ti
o
n
c
o
n
tr
o
l
Slow down switch “ON”
The engine fails to run to
increase high speed. Failed board in control unit
Failed engine governor
Failed generator main unit
Disconnected connector
Failed engine compression
Failed fuel strainer
•
Replace board
•
Replace or Repair
•
Replace the generator
•
Check the connection
•
Repair the engine
•
Cleaning / replace
The engine fails to run to
low speed. Failed board in control unit
Failed slow down switch
Failed slow down solenoid
Disconnected connector
Welding output terminal is short
•
Replace board
•
Replace
•
Replace
•
Check the connection
•
Repair
Slow down switch “ON”
The engine fails to run to
high speed. Failed engine governor
Failed slow down switch
Failed engine compression
Failed fuel strainer
•
Replace or Repair
•
Replace
•
Repair the engine
•
Cleaning / replace