Manual for 4002 - Troubleshooting and error codes + PDF Download

Manual for 4002 - Troubleshooting and error codes + PDF Download

Brand: SIMPLEX

Category: Fire Alarm System

Manual Type:

Language:

Uploaded: April 8, 2025, 1:51 p.m.

Manual Publish Date: 1994-01-01

Warranty Summary

For warranty information, contact your local Simplex Time Recorder Co. branch office.

The Simplex 4002 is a battery-backed fire alarm system that can operate notification appliances and monitor initiating device zones. It provides audible and visual indications for trouble or alarm conditions.

Key operations:

  • System Reset: Resets the system after an alarm.
  • Alarm Silence: Stops alarm signals during alarm.
  • Trouble Silence: Stops panel trouble signal.
  • Manual Evac: Activates alarm signals.

Toggle switches like City Bypass and Aux Bypass modify system behavior in alarm reporting and relay energizing.

Troubleshooting and error codes

Symptom Probable Cause Corrective Action
# 1. Zone "ALARM" LED is on, and system cannot be reset
  • Pull station activated
  • Smoke detector alarm indicator on steady
  • Duct smoke detector alarm indicator on steady
  • Heat detector activated
  • Waterflow device activated
  • Zone circuit shorted
  • Restore pull station.
  • Reset or replace smoke detector.
  • Reset or replace duct detector.
  • Restore or replace heat detector.
  • Restore waterflow device.
  • Clear shorted line condition.
#2. Both "SYSTEM TROUBLE" and one or more "ZONE" Trouble LEDs are on.
  • Alarm initiating device (smoke det, pull station) removed from zone
  • Open connection in zone wiring
  • Defective module in fire alarm panel
  • Replace alarm initiating device.
  • Repair the open line condition.
  • Call Simplex
# 3. "POWER ON" LED is off
  • Fire alarm 120VAC circuit breaker tripped
  • Fuse F2 in panel open
  • Low AC voltage or "brownout" condition
  • Reset breaker.
  • Replace fuse F2 (8 Amp)
  • Check power distribution in building.

Troubleshooting and error codes

Symptom Probable Cause Corrective Action
# 1. Zone "ALARM" LED is on, and system cannot be reset
  • Pull station activated
  • Smoke detector alarm indicator on steady
  • Duct smoke detector alarm indicator on steady
  • Heat detector activated
  • Waterflow device activated
  • Zone circuit shorted
  • Restore pull station.
  • Reset or replace smoke detector.
  • Reset or replace duct detector.
  • Restore or replace heat detector.
  • Restore waterflow device.
  • Clear shorted line condition.
#2. Both "SYSTEM TROUBLE" and one or more "ZONE" Trouble LEDs are on.
  • Alarm initiating device (smoke det, pull station) removed from zone
  • Open connection in zone wiring
  • Defective module in fire alarm panel
  • Replace alarm initiating device.
  • Repair the open line condition.
  • Call Simplex
# 3. "POWER ON" LED is off
  • Fire alarm 120VAC circuit breaker tripped
  • Fuse F2 in panel open
  • Low AC voltage or "brownout" condition
  • Reset breaker.
  • Replace fuse F2 (8 Amp)
  • Check power distribution in building.