GE Security EST3 User Manual

Service and troubleshooting
EST3 Installation and Service Manual 8.61
Table 8-37: Signature detector trouble messages
Trouble message Possible cause Possible solution
Quiescent Too Small Devices on the Signature
data circuit are not drawing
enough current during the
mapping process.
Check the device wiring or
replace the device.
Short on Relay Base Bad Relay Base Replace Relay Base
External or Isolator Relay
Failure to Switch
Bad Base Replace Base
External or Isolator Relay
Switched
1. Bad Relay Base
2. External Electrical Noise
1. Replace Relay Base
2. Remove or Shield Noise
Source
“O” Value Too Small Bad Base Replace Base
Ion Rate-of-Rise Too High Bad Ion Chamber Replace Detector
Ion Quiescent Too High Dirty Detector Clean Detector
Ion Quiescent Too Low Dirty Detector Clean Detector
Ion Value Too Low Defective Detector Replace Detector
Thermal Value Too High Bad Base Replace Base
Thermal Value Too Low Bad Base Replace Base
A/D Converter Fault Defective A/D converter Replace Detector
EEPROM Checksum Error Bad EEPROM Replace Detector
EEPROM Write Time-out Bad EEPROM Replace Detector
Unknown Device Type Bad EEPROM Replace Detector
EEPROM Write Verify Fault Bad EEPROM Replace Detector
Ambient Light Too High 1. Dirty Detector
2. Outside light reaching
detector chamber
1. Clean Detector
2. Eliminate light source
Photo Quiescent Too High Dirty Detector Clean Detector
Photo Quiescent Too Low Dirty Detector Clean Detector
Photo Value Too High Bad Base Replace Base
Table 8-38: Signature module trouble messages
Trouble message Possible cause Possible solution
Open data Circuit See Table 8-32 See Table 8-32
Shorted data Circuit See Table 8-32 See Table 8-32

GE Security EST3 Specifications

General

Brand	GE Security
Model	EST3
Category	Security Sensors
Language	English