Figure 5-15. Relay Pca Status Leds Used For Troubleshooting; Table 5-6. Relay Pca Watchdog And Status Led Failure Indications - Teledyne T200 User Manual

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 5-15. Relay PCA Status LEDS Used for Troubleshooting

Table 5-6. Relay PCA Watchdog and Status LED Failure Indications

LED COLOR
D1
Red
LED ROW 1
D2 Yellow
D3 Yellow
D7 Green
D8 Green
D9 Green
D10 Green
LED ROW 2
D5 Yellow
1
D11 Green
2
D12 Green
3
D13 Green
4
Only active when the optional internal span gas generator is installed.
1
2 Only active when the dual pressurized span option is installed.
Only active when one of the pressurized span gas options is installed.
3
Only active when one of the pressurized zero gas options is installed.
4
Note: D4, D6, and D14-16 are not indicated as they are not used.
140 Teledyne API T200 NO/NO
Valve
x
à NO Converter Heater
2
FUNCTION
I2C bus Health
(Watchdog Circuit
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
/NO Analyzer with NumaView™ Software
2 x
D1 (RED)
Watchdog Indicator
INDICATED FAILURE(S)
Failed/Halted CPU.
Faulty Motherboard, Touchscreen or Relay
PCA.
Faulty Connectors/Wiring between
Motherboard, Touchscreen or Relay PCA.
Failed/Faulty +5 VDC Power Supply (PS1).
Heater broken, thermistor broken
Heater broken, thermocouple broken
Valve broken or stuck, valve driver chip broken
Valve broken or stuck, valve driver chip broken
Valve broken or stuck, valve driver chip broken
Valve broken or stuck, valve driver chip broken
Heater broken, thermistor broken
Valve broken or stuck, valve driver chip broken
Valve broken or stuck, valve driver chip broken
Valve broken or stuck, valve driver chip broken
083730200A DCN7962