External Paging Problems - NEC ElectraElite 48 System Hardware Manual

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Electra Elite
Place Test Set on output of
paging at ECR-U( ) ADP
with all external wiring removed.
Yes
External amplifier
or wiring is defective.
System Hardware Manual

External Paging Problems

Yes
No
External
page audible
on test set?
Check Memory Blocks 1-1-46,
1-1-47, and 1-1-48 for correct
access code (external) for paging.
Access Code
correct?
1. Reset/replace ECR-U( ) ADP, and test.
2. Perform Second Initialization, and test; then
perform First Initialization and test.
3. Replace B48-U10 KSU, and test
using default program.
G1
No
Amplifier
Amplifier is needed.
provided?
No
Yes
Pass
Retest using
correct access
Done.
code.
Fail
Issue 6
10 - 21

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