Action Yes No
Step 5
Open the rear door, and check:
• the gears for damages
• the gears and shafts for obstructions
• the rollers, if they can be manually turned
Are the above components ok?
Go to step 6. If the issue found is on
the rear door side, then
replace the rear door.
Go to“Mailbox rear
door removal” on
page 500.
If the issue found is on
the mailbox side, then
replace the mailbox
assembly. Go
to“Mailbox assembly
removal” on page
500.
Step 6
Open the left cover and reseat the cable (J6) on the controller PCBA.
Does the error remain?
Go to step 7. The problem is solved.
Step 7
Reseat all connectors on the controller PCBA, then POR the machine.
Does the error remain?
Replace the controller
PCBA. Go to“Mailbox
controller PCBA
removal” on page
507.
If the error persists,
then replace the
mailbox option. Go to
“Mailbox assembly
removal” on page
500.
The problem is solved.
Output expander failure service check
Action Yes No
Step 1
Is the output expander the only output option installed?
Go to step 4. Go to step 2.
Step 2
Check the auto connector end of the option below the expander.
Is it free of damage?
Go to step 3. Replace the upper
interface cable of the
output option under
the expander.
4063
Diagnostic information
141