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GP 13 How to Check a Switch
Description
Use this procedure to check the operation of a switch.
NOTE: The circuit in
Figure 1
shows an interlock switch activated by the closing of a door.
Initial Actions
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.
Manually check that the switch operates. Ensure that the magnet or other actuator has enough
mechanical movement to operate the switch.
NOTE: The voltages, PJ numbers, pin numbers and PWB names shown are an example only.
Go to the circuit diagram in the RAP for the correct information.
Procedure
•
Go to
Flag
1. Disconnect PJA. Check the electrical operation of the switch.
•
Go to
Flag
1. Disconnect PJB. Check for +5V and 0V on the IOT PWB.
•
Go to
Flag
1. Check the wiring and the connectors for the switch circuit.
References:
•
01B
0V Distribution RAP.
•
01E
+5V Distribution RAP.
•
REP 1.2
Wiring Harness Repairs.
Figure 1 Circuit diagram
Xerox® WorkCentre® 5790 Family
WARNING
GP 14 How to Switch Off the Machine or Switch On the
Machine
Purpose
To show how to switch off or switch on the machine, without the loss of customer data or dam-
age to the system hardware.
Do not use the on/off switch as a safety disconnect device. The on/off switch is not a
disconnect device. Disconnect the power cord from the supply to isolate the equipment.
Refer to:
•
Switch Off Procedure
•
Switch Off Failure Procedure
•
Quick Restart
•
Switch On Procedure
•
Power Saver Mode
Switch Off Procedure
Do not disconnect the power lead or interrupt the electricity supply before the power down is
complete unless advised. The data and software can become damaged.
1.
Press the on/off switch. The Power Down Options window will display.
NOTE: The Power Down Confirmation window replaces the Power Down Options window
when the following operations are performed:
a.
The machine is in the diagnostics mode.
b.
During CRU replacement.
c.
The machine is in the Install Wizard or Setup Modes.
d.
A module is not communicating.
e.
The Power Saver mode is disabled.
f.
A software upgrade is performed.
g.
The network controller initializes.
2.
Touch the Power Down button on the UI.
3.
When the Power Off Confirmation window is displayed, touch the Confirm button.
NOTE: If a controlled power off is confirmed, the on / off switch is disabled until the
sequence is completed.
If there is a fault that prevents power down, the UI requests that the power lead is
removed and replaced after one minute.
4.
When the machine has switched off, remove the power lead from the outlet.
5.
If the machine does not switch off, go to
General
1.
When power down is selected and confirmed, power down starts after a maximum of 45
seconds with the following exceptions:
a.
If the system and the UI cannot communicate, then power down begins after 3 sec-
onds.
May 2013
6-29
WARNING
CAUTION
Switch Off Failure
Procedure.
General Procedures/Information
GP 13, GP 14
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