PEAK
Scientific Instruments Ltd
Zero Air Gas Generator
Instructions for use Manual
30
th
March 2005
ZA015 Issue 3
10
8
Troubleshooting
Problems with the Zero Air Generator will probably be shown up by increased levels of Hydrocarbons
being detected on the baseline. Reference to the following Fault Finder Chart will identify the source of
the problem.
High CH4
Cat Chamber Hot/
Cold
Control Board
LED
LED Off
Voltage
At Heater
Thermocouple
Wiring
Replace
Control Board
Replace
Thermocouple
Replace Heater
Voltage At
Board Output
Check Wiring
Off
On
Open
Circuit
OK
Yes
No
Yes
No
Check
Flow Rate
Hot
Cold
