Epson C82363 Specifications Page 68

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EPSON EPL-N1600 Chapter 3 Troubleshooting
Rev. A 70
1.4 SERVICE REQ E0005
Fan IOT unit or Duplex Unit Fan is in trouble.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The followin
g
components are
associated with this specific problem.
One or more of these components ma
y
have failed partiall
y
or completel
y
. If
y
ou
cannot isolate the problem usin
g
this
FIP, replace each component listed
below, one at a time, until the problem
disappears.
Fan IOT
Fan Assembl
y
Duplex
•HPS
PWBA Hotaru
C258MAIN Board
1
FAN IOT
Does the Fan rotate when
y
ou switch on
printer power?
Go to step 3. Go to step 2.
2
FAN SIGNAL
1. Disconnect P/J222 from the HPS.
2. Check the volta
g
e between P/J222-3
and P/J222-1.
Is there +12~24VDC between P/J222-3
and P/J222-1?
Replace the
Fan.
Replace the
HPS.
3
PWBA HOTARU
1. Remove the PWBA Hotaru.
2. Check for the continuit
y
between P21-
B2 and P31-B12.
Is there continuit
y
between P21 and
P31?
Replace the
C258MAIN
Board.
Replace the
PWBA Hotaru.
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