Instruction Manual
5.0TROUBLESHOOTING
The flame detector has several
5.1No LED blink or erratic LED blink
With power connected to the detector the LEDs on the front of the detector module should begin blinking and blink about every 8 seconds. If they do not blink or blink in an abnormal fashion.
1.Remove the detector module from the hous- ing.
2.Check voltage at power connector (J5, Pin 1 and Pin 4) Pin 1 should be the connected to negative, and Pin 4 should be positive. Volt- age should be between 15 and 32 volts DC.
3.If Main power is correct and the detector is not indicating a fault. The detector module should be returned to the factory.
5.2Detector Indicates Fault
Use the fault table (Table B.4, page 17) to deter- mine what type of fault is occurring and see ap- propriate section below to correct. If the correc- tive actions listed below do not correct the fault, contact the factory for further diagnostic instruc- tions or instructions on returning the detector for servicing. (Ref. 2.6.4) or repeat.
5.2.1Fault Type 1 - “Lens Test Fault”
Clean lens and grill per section 4.1. Reset the detector (remove and replace power). If the fault persists it may indicate a bad UV tube or UV source tube, factory ser- vice is required.
5.2.2Fault Type 2 - “Configuration Fault”
Dip Switch SW9 is “ON”. SW9 should be set to off for normal operation. Change SW9 to “OFF” and reset detector.
5.2.3Fault Type 3 - “Calibration Fault”
Calibration constants have been corrupted. Factory service is required.
5.2.4Fault Type 4 - “Voltage Low Fault”
The input voltage is below 15 VDC. Re- move the Detector Module from the hous- ing. With the detector connected to power, measure the voltage between Pin 1 and Pin 4 on the Power connector (J5). The volt- age should be between 15 - 32 VDC. If the voltage is out of range check external wir- ing and power supply. There should not be more than 1 volt of AC ripple at 24 VDC. If the measured voltage is in range and there is no AC ripple, contact the factory for re- turn and service information.
5.2.5Fault Type 5 - “Photo Sensor Fault”
One of the Photo Sensors (Visible or IR) did not pass the internal self test. If both sensors are clean. The fault may be in the sensors or the self test circuit. Contact the factory for further diagnostic information.
5.2.6Fault Type 6 - “Relay Fault”
One of the Relay’s coil circuits is open. There is no corrective action. Contact the factory for return and service information.
5.2.7Fault Type 7 - “Voltage High”
The Detector was exposed to an input volt- age above 32 Volts. There is no corrective action. Contact the factory for return and service information.
5.2.8Fault Type 8 - “Temperature Out of Range”
The internal measured temperature was be- low
5.3Device appears to operate normally but will not alarm to a fire.
When the detector declares an alarm two things should happen. One, both the LEDs on the front of the detector should come on. Two, the fire re- lay should energize. Check the dip switch set- tings. (SW1, SW2, SW8, and SW9 should be off SW3 - SW7 have no impact.) Connect an ohm meter across the Fire relay connections at the “Fire” connector (Pin 1 and Pin 3 of J2). Run a fire test per section 3.4.
Model 3100 Series Flame Detector (11/04) | Page: 9 |