O 3 Option Status Leds; Figure 9-3: Relay Pca Status Leds Used For Troubleshooting; Table 9-5: Relay Pca Status Led Failure Indications - Teledyne T700 Operation Manual

Troubleshooting and Service
9.3.2.2. O
Option Status LEDs
3
D9 (Green) – Photometer Pump Status
D8 (Green) O
D7 (Green) – Photometer Meas/Ref Valve
D15 (Yellow) - Photometer Lamp Heater
D16 (Yellow) – O

Figure 9-3: Relay PCA Status LEDS Used for Troubleshooting

LED FUNCTION
Photometer
1
D7
Meas/Ref
Green
Valve
2
D8 O Generator
3
Green Valve Status
1
D9 Photometer
Green Pump Status
1,2
D6 GPT Valve
Yellow Status
1
D15 Photometer
Yellow Heater Status
2
D16 O Generator
3
Green Heater Status
1
Only applies on calibrators with photometer options installed.
2
Only applies on calibrators with O
240
Generator Valve Status
3
D6 (Green ) – GPT Valve
Generator Lamp Heater
3
D1 (RED)
Watchdog
Indicator

Table 9-5: Relay PCA Status LED Failure Indications

SIGNAL I/O PARAMETER
ACTIVATED BY
PHOTO_REF_VALVE
O3_GEN_VALVE
O3-PUMP-ON
GPT_VALVE
PHOTO_LAMP_HEATER
O3_GEN_HEATER
generator options installed.
3
Teledyne API – Model T700 Dynamic Dilution Calibrator
VIEW RESULT
N/A
Valve should audibly change states.
If not:
N/A
N/A
N/A
Voltage displayed should change.
PHOTO_LAMP_TEMP
If not:
O3_GEN_TEMP
DIAGNOSTIC TECHNIQUE
 Failed Valve
 Failed Relay Drive IC on Relay PCA
 Failed Relay PCA
 Faulty +12 VDC Supply (PS2)
 Faulty Connectors/Wiring
 Failed Heater
 Faulty Temperature Sensor
 Failed AC Relay
 Faulty Connectors/Wiring
06873E DCN7106