Table 12-5: Relay Pca Status Led Failure Indications - Teledyne T200 Operation Manual

Teledyne API – T200 NO/NO
12.3.2.2. RELAY PCA STATUS LEDS
D10 (Green) – NO/NO
D9 (Green) – AutoZero Valve
D8 (Green) – Optional Sample/Cal Valve
D7 (Green) – Optional Zero/Span Valve
D3 (Yellow) NO
D2 (Yellow) Reaction Cell Heater
D5 (Yellow) – Optional Internal Span Gas Gen Heater
D11 (Green) – Optional Dual Span Select Valve
D12 (Green) – Optional Pressurized Span Shutoff Valve
D13 (Green) – Optional Pressurized Zero Shutoff Valve
Figure 12-3:

Table 12-5: Relay PCA Status LED Failure Indications

LED COLOR
LED ROW 1
D2 Yellow
D3 Yellow
D7 Green
D8 Green
D9 Green
D10 Green
LED ROW 2
D5 Yellow
D11 Green
D12 Green
D13 Green
Note: D4, D6, and D14-16 are not indicated as they are not used.
06858E DCN7057
/NO Analyzer Operation Manual
2 X
Valve
x
 NO Converter Heater
2
Relay PCA Status LEDS Used for Troubleshooting
FUNCTION
Reaction Cell heater
NO converter heater
2
Zero/Span valve status
Sample/Cal valve status
Auto-zero valve status
NO/NO valve status
x
Internal span gas generator
perm tube heater
Dual span select valve
Pressurized Span shutoff valve
Pressurized Zero shutoff valve
D1 (RED)
Watchdog Indicator
FAULT
INDICATED FAILURE(S)
STATUS
Continuously
Heater broken, thermistor broken
ON or OFF
Continuously
Heater broken, thermocouple broken
ON or OFF
Continuously
Valve broken or stuck, valve driver chip broken
ON or OFF
Continuously
Valve broken or stuck, valve driver chip broken
ON or OFF
Continuously
Valve broken or stuck, valve driver chip broken
ON or OFF
Continuously
Valve broken or stuck, valve driver chip broken
ON or OFF
Continuously
Heater broken, thermistor broken
ON or OFF
Continuously
Valve broken or stuck, valve driver chip broken
ON or OFF
Continuously
Valve broken or stuck, valve driver chip broken
ON or OFF
Continuously
Valve broken or stuck, valve driver chip broken
ON or OFF
Troubleshooting & Service
237