Sync Demodulator Status Leds; Figure 12-4: Sync/Demod Board Status Led Locations; Table 12-3: Sync/Demod Board Status Failure Indications - Teledyne GFC7001T Operation Manual

Troubleshooting and ServiceTeledyne API – Model T300/T300M CO Analyzer

12.1.4.2. SYNC DEMODULATOR STATUS LEDS

LED FUNCTION
M/R Sensor Status
D1
(Flashes slowly)
Segment Sensor
Status
D2
(Flashes quickly)
JP4 Connector to Opto-Pickup
Two LEDs located on the Sync/Demod Board and are there to make it obvious that the
GFC Wheel is spinning and the synchronization signals are present:

Table 12-3: Sync/Demod Board Status Failure Indications

FAULT STATUS
LED is stuck
ON or OFF
LED is stuck
ON or OFF
Board
Figure 12-4: Sync/Demod Board Status LED Locations
Teledyne Analytical Instruments
INDICATED FAILURE(S)
GFC Wheel is not turning
M/R Sensor on Opto-Pickup Board failed
Sync/Demod Board failed
JP 4 Connector/Wiring faulty
Failed/Faulty +5 VDC Power Supply (PS1)
GFC Wheel is not turning
Segment Sensor on Opto-Pickup Board failed
Sync/Demod Board failed
JP 4 Connector/Wiring faulty
Failed/Faulty +5 VDC Power Supply (PS1)
D1 – M/R Sensor Status
D2 – Segment Sensor Status
244