May 2013
2-92
Xerox® WorkCentre® 5790 Family
03-374
Status Indicator RAPs
03-374 Power Off Failure RAP
03-374 The single board controller PWB has detected that the LVPS is still on, 30 seconds
after a power off request.
Initial Actions
WARNING
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to
GP 14
. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
•
If possible, switch off the machine, then switch on the machine
GP 14
. If the UI fails to
respond, perform the
03-310
Single Board Controller PWB to UI Errors RAP.
•
Check the fault history file for other 03-XXX fault codes. If the 03-XXX fault codes occur
randomly, the cause may be due to electrical noise. Go to
OF10
intermittent Failure RAP.
•
If the drives module has recently been removed, then check the pins and connections at
P/J1
on the IOT PWB.
Procedure
Ensure the P/Js on the IOT PWB,
PL 1.10 Item 2
and the single board controller PWB,
PL 3.24
Item 3
are correctly and securely connected. The fault is still present.
Y
N
Perform
SCP 6
Final Actions.
Remove the left hand cover,
PL 8.10 Item 3
. Go to
Flag 1
. Measure the voltages at the on/off
switch terminals. The voltages are +3.3V and 0V.
Y
N
Go to:
•
GP 13
How to check a switch.
•
P/J5
.
•
01B
, 0V Distribution RAP.
•
01J
Power On and LVPS Control Signals RAP.
•
If necessary, install a new on/off switch,
PL 1.10 Item 8
.
NOTE: The LVPS is software controlled. When the voltage on PJ26 is low, the LVPS should be
on. When the voltage on PJ26 pin 7 is high, the LVPS should be off.
Go to
Flag 3
. Measure the voltage at
P/J26
pin 7 on the
IOT PWB
. Operate the on / off switch.
Select power down then confirm from the UI. The voltage changes from low to high within
30 seconds.
Y
N
Install new components as required:
•
Perform
OF7
IOT PWB Diagnostics RAP before a new IOT PWB is installed,
PL
1.10 Item 2
.
•
Single board controller PWB,
PL 3.24 Item 3
.
Check the state of the LVPS by observing the power indication LEDs on the IOT PWB, (refer to
the
OF7
IOT PWB Diagnostics RAP). The LVPS has switched off.
Y
N
Install a LVPS and base module,
PL 1.10 Item 3
.
Go to
Flag 2
. Measure the voltage at
P/J1
pin 15 on the
IOT PWB
. Operate the on / off switch.
A single low pulse is detected.
Y
N
Go to
Flag 2
. Check the wiring. Repair as necessary,
GP 7
. Install new components as
necessary:
•
Single board controller PWB,
PL 3.24 Item 3
.
•
Perform
OF7
IOT PWB Diagnostics RAP before a new IOT PWB is installed,
PL
1.10 Item 2
.
Go to
Flag 2
. Set the meter to measure frequency. Check the pulses at
P/J1
pin 13, on the
IOT
PWB
. These are approximately 1Hz pulses. The pulses have stopped.
Y
N
Perform
OF7
IOT PWB Diagnostics RAP before a new IOT PWB is installed,
PL 1.10 Item
2
.
Perform the following:
•
Check that all associated wiring is in good condition,
GP 7
.
•
Reload the software,
GP 4
, Machine Software.
•
Install a new single board controller PWB,
PL 3.24 Item 3
.
A
A
Summary of Contents for WorkCentre 5790 Series
Page 1: ...Xerox WorkCentre 5790 Family Service Manual 708P90298 May 2013 ...
Page 4: ...May 2013 ii Xerox WorkCentre 5790 Family Introduction ...
Page 20: ...May 2013 xviii Xerox WorkCentre 5790 Family Translation of Warnings Introduction ...
Page 22: ...May 2013 1 2 Xerox WorkCentre 5790 Family Service Call Procedures ...
Page 32: ...May 2013 1 12 Xerox WorkCentre 5790 Family SCP 7 Service Call Procedures ...
Page 53: ...May 2013 2 21 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 1 3 3V Return ...
Page 54: ...May 2013 2 22 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 2 3 3V Return ...
Page 56: ...May 2013 2 24 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 3 5V Return ...
Page 57: ...May 2013 2 25 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 4 5V Return ...
Page 59: ...May 2013 2 27 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 5 12V Return ...
Page 61: ...May 2013 2 29 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 6 24V Return ...
Page 62: ...May 2013 2 30 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 7 24V Return ...
Page 63: ...May 2013 2 31 Xerox WorkCentre 5790 Family 01B Status Indicator RAPs Figure 8 24V Return ...
Page 95: ...May 2013 2 63 Xerox WorkCentre 5790 Family 01K Status Indicator RAPs Figure 2 Circuit diagram ...
Page 96: ...May 2013 2 64 Xerox WorkCentre 5790 Family 01K Status Indicator RAPs ...
Page 178: ...May 2013 2 146 Xerox WorkCentre 5790 Family 06 350 Status Indicator RAPs ...
Page 592: ...May 2013 2 560 Xerox WorkCentre 5790 Family 16B 16C Status Indicator RAPs ...
Page 596: ...May 2013 2 564 Xerox WorkCentre 5790 Family 19 409 Status Indicator RAPs ...
Page 698: ...May 2013 3 2 Xerox WorkCentre 5790 Family Image Quality ...
Page 736: ...May 2013 3 40 Xerox WorkCentre 5790 Family IQS 8 Image Quality ...
Page 742: ...May 2013 4 6 Xerox WorkCentre 5790 Family Repairs Adjustments ...
Page 772: ...May 2013 4 34 Xerox WorkCentre 5790 Family REP 3 4 Repairs Adjustments ...
Page 938: ...May 2013 4 200 Xerox WorkCentre 5790 Family REP 9 10 Repairs Adjustments ...
Page 994: ...May 2013 4 256 Xerox WorkCentre 5790 Family REP 11 17 110 Repairs Adjustments ...
Page 1014: ...May 2013 4 276 Xerox WorkCentre 5790 Family REP 11 15 120 Repairs Adjustments ...
Page 1166: ...May 2013 4 428 Xerox WorkCentre 5790 Family REP 14 20 Repairs Adjustments ...
Page 1168: ...May 2013 4 430 Xerox WorkCentre 5790 Family ADJ 3 1 ADJ 3 2 Repairs Adjustments ...
Page 1174: ...May 2013 4 436 Xerox WorkCentre 5790 Family ADJ 4 1 Repairs Adjustments ...
Page 1242: ...May 2013 4 504 Xerox WorkCentre 5790 Family ADJ 14 1 ADJ 14 2 Repairs Adjustments ...
Page 1386: ...May 2013 6 2 Xerox WorkCentre 5790 Family General Procedures Information ...
Page 1524: ...May 2013 6 140 Xerox WorkCentre 5790 Family Fax Tags General Procedures Information ...
Page 1526: ...May 2013 7 2 Xerox WorkCentre 5790 Family Wiring Data ...
Page 1554: ...May 2013 7 30 Xerox WorkCentre 5790 Family PJ Locations Wiring Data ...
Page 1604: ...May 2013 8 2 Xerox WorkCentre 5790 Family Accessories ...
Page 1606: ...May 2013 8 4 Xerox WorkCentre 5790 Family ACC 1 Accessories ...
Page 1610: ...XEROX EUROPE ...