Gas Flow Problems; Table 11-2: Relay Board Status Leds - Teledyne 100E Instruction Manual

Model 100E Instruction Manual
LED Color
D1 red Watchdog Circuit; I
operation.
D2 yellow Relay 0 - sample chamber
heater
D3 yellow Relay 1 – SO
heater
1
D4 yellow Relay 2 - manifold heater
D5 yellow Relay 3 - IZS heater
D6 yellow Relay 4 - Spare
2
D7 green Valve 0 - zero/span valve
status
2
D8 green Valve 1 - sample/cal valve
status
D9 green Valve 2 - auto-zero valve
status
D10 green Valve 3 - SO/SO
status
D11 green Valve 4 - Spare
D12 green Valve 5 - Spare
D13 green Valve 6 - Spare
D14 green Valve 7 - Spare
D15 green Mosfet1-Unused
D16 Green Mosfet2-Unused
1
Special configurations only
2
Only active for instruments with Z/S valve or IZS options installed

11.2. Gas Flow Problems

The standard M100E has one main flow path. With the IZS option installed, there is a
second flow path flow path through the IZS oven that runs whenever the IZS is on
standby to purge SO
2
available from the front panel. The full flow diagrams of the standard configuration
(Figure 3-10) and with options installed (Figure 5-2 and 5-3) help in trouble-shooting
flow problems. In general, flow problems can be divided into three categories:
• Flow is too high
• Flow is greater than zero, but is too low, and/or unstable
• Flow is zero (no flow)
045150102 Rev XB1

Table 11-2: Relay Board Status LEDs

FUNCTION
STATUS
2
C bus Continuously
ON or OFF
Continuously
ON or OFF
converter Continuously
2
ON or OFF
Continuously
ON or OFF
Continuously
ON or OFF
N/A
Continuously
ON or OFF
Continuously
ON or OFF
Continuously
ON or OFF
valve Continuously
x
ON or OFF
N/A
N/A
N/A
N/A
N/A
N/A
from the oven chamber. The IZS flow is not measured and is not
TROUBLESHOOTING & REPAIR
FAULT INDICATED FAILURE(S)
Failed or halted CPU; faulty motherboard,
keyboard, relay board; wiring between
motherboard, keyboard or relay board; +5
V power supply.
Heater broken, thermistor broken
Heater broken, thermocouple broken
Heater broken, thermistor broken
Heater broken, thermistor broken
N/A
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
N/A
N/A
N/A
N/A
N/A
N/A
203