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Section 4: Troubleshooting
Basic Troubleshooting Procedures
4-1
Troubleshootig Checklist
4-2
Merlin II System Planning Forms
4-4
General Operating Conditions
4-5
0n-Line Module
Swap
4-7
Tie Line Troubleshooting
4-11
Testing Tie Lines
4-11
Procedures for Specific Symptoms
Locating the Symptom
Difficult to Place CaIls
Caller Can’t Hear Person Answering
Person Called Can’t Hear Caller
Calls on Hold Are Disconnected
Calls Are Cut Offer Dropped
Phone Doesn’t Ring
Phone Constantly Rings
Lights, Speaker, Ringing Problems
No Lights or Dial Tone
Line Button Light Shows False Status
BIS-34 Lights Don’t Go Off
HFAI-10 Lights Don’t Turn On
Programmed Feature Doesn’t Work
Module Doesn’t Work
Changed Intercom Numbers or Features
Recall Button Doesn’t Work
Recall Disconnects Line When Behind Switch
System Loses Its Memory Due to a Power Failure
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