
MODEL GFC7000EU CO ANALYZER WITH AUTO-REFERENCE
(Addendum to GFC7000E Manual PN 04584)
05134 Rev -
Failed Sync/Demod Board
If Status LED’s on the Sync/Demod Board ARE
flashing the cause is most likely an a problem with
the analyzer’s main power:
Intermittent loss of the power supply too short
to cause a SYSTEM RESET warning;
Frequency problem with the AC Mains.
The computer has
rebooted.
This message occurs at power on.
If it is confirmed that power has not been
interrupted:
Failed +5 VDC power,
Fatal Error caused software to restart
Loose connector/wiring
The filter wheel
temperature is
controlled at 68 ± 5
°
C
Blocked Cooling Vents below GFC Assembly
Analyzer’s Top Cover removed
Wheel Heater
Wheel Temperature Sensor
Relay controlling the Wheel Heater
Entire Relay Board
I
2
C Bus
APPENDIX B – GFC7000EU Spare Parts List
NOTE
Use of replacement parts other than those supplied by API may result in
non-compliance with European standard EN 61010-1.
Table B-1: GFC7000EU Individual Spare Parts List
Assy, Thermistor, Bench Wheel, M300E
Assembly, Motor Wheel Heater, 50W 120V
Source Assembly (with Adapter)
M300E 47 mm Filter Expendables Kit - KNF Pump Model
#N05ATI
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