EST EST3X - Chapter 7 Service and troubleshooting; 4 X Series control-display modules troubleshooting

EST3X Technical Reference Manual 167
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 169
Precautions 170
Removing or replacing circuit board modules 170
Handling static sensitive circuit board modules 170
Panel restart problems 170
Hardware problems 171
Substituting hardware 171
Adding hardware 172
Hardware troubleshooting 172
PS10-4B Power Supply troubleshooting 172
SFS1-CPU Main Board troubleshooting 173
Fiber Network Option module troubleshooting 176
4X Series control-display modules troubleshooting 177
3-ZAxx zoned amplifier modules troubleshooting 178
3-OPS Off-Premises Signal module troubleshooting 179
3-IDC8/4 Initiating Device Circuit module troubleshooting 179
3-LDSM Display Support module troubleshooting 180
3-MODCOM Modem Communicator module troubleshooting 180
3X-PMI Paging Microphone Interface troubleshooting 183
Pseudo points 185
Understanding Signature data loops 198
Operation 198