Kidde VM-1 Technical Reference Manual

P/N 3101890-EN • REV 006 • ISS 21JUN18 123
Chapter 7
Service and troubleshooting
Summary
This chapter provides instructions for servicing and troubleshooting the fire alarm system. It is intended for those
trained and authorized to maintain the system.
Content
System repairs 124
Precautions 124
Removing or replacing circuit board modules 124
Handling static sensitive circuit board modules 125
Panel restart problems 125
Hardware troubleshooting 125
PS10-4B Power Supply troubleshooting 125
VM-CPU Main Board troubleshooting 126
VM-NOCF Fiber Network Option module troubleshooting 129
D12LS-VM control-indicating modules troubleshooting 130
VM-DACT Dual Line Dialer Card troubleshooting 131
VM-PMI Paging Microphone Interface troubleshooting 133
Pseudo points 134
Understanding VM signaling line circuits 146
Operation 146
Signaling line circuit troubleshooting basics 147
Substituting devices 151
Substituting loop controllers 155
Loop controller troubleshooting 155
Mapping errors 156
Using the Configuration Utility diagnostics tools 157
Loop controller diagnostics sequence 157
Mapping errors diagnostics 158
Device chain diagnostics 159
Message counters diagnostics 160
Device troubles diagnostics 160
Trouble Tables diagnostics 163
Signaling line circuit real-time statuses 163
Using HyperTerminal to troubleshoot the system 164
Setting up a HyperTerminal connection 164

Kidde VM-1 Specifications

General

Brand	Kidde
Model	VM-1
Category	Fire Alarms
Language	English