Dead machine service check
Action Yes No
Step 1
Is the machine plugged in?
Go to step 3. Go to step 2.
Step 2
Plug the machine in.
Did this fix the problem?
The problem is
solved.
Go to step 3.
Step 3
Check the power cord for continuity.
Is there continuity?
Go to step 4. Replace the power
cord.
Step 4
Check the AC line voltage to the machine. The voltage should be
within the following limits:
• for 110 V machines—100 to 127 V AC
• for 220 V machines—200 to 240 V AC
Is the voltage within the limits?
Go to step 5. Try a dierent outlet.
Step 5
Check the voltages on the LVPS card.
• +5 V at pins 17 and 19
• +24 V at pins 11, 13, and 15
Are the voltages correct?
Go to the controller
board service check.
Go to
“Controller
board service
check” on
page 206.
Replace the LVPS.
Go to
“Power supply
removal” on
page 339.
7015
Diagnostics and troubleshooting
205
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