14 Diagnosis
14.1 Standard Diagnosis
176
GC-2014
DETECTOR IGNITE
Checks that the ignition pulse is normal.
DETECTOR IGNITION
Verifies whether the ignition operation is normally executed.
ECD FREQUENCY
Verifies whether the frequency of the pulse voltage applied to the ECD is below the limit.
CARRIER GAS ROM, DETECTOR GAS ROM, APC ROM, AMC ROM
Verifies whether the data saved in the ROM on the flow controller PCB can be read correctly.
CARRIER GAS AD CONVERTER, DETECTOR AD CONVERTER,
APC AD CONVERTER, AMC AD CONVERTER
Verifies whether the contents of the A/D converter on the flow controller PCB can be read
correctly.
GAS CONTROL
Checks if carrier gas, detector gas, AUX APC, and AUX AMC are normally controlled.
OVER TEMP PROTECTION
Ensure that the overheat protection circuit is normal.
CPU PERIPHERAL
RESET IC
Verifies that the reset circuit works normally.
WATCH DOG TIMER
Ensures that the IC which checks for software problems is functioning normally.
ROM
Checks that the ROM is intact.
RAM
Verifies whether the RAM can be correctly written and read.
Summary of Contents for GC-2014
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Page 78: ...5 Analysis 5 2 Notes for Analysis 66 GC 2014 This page is intentionally left blank ...
Page 90: ...6 Basic Key Operation 6 4 Getting Help 78 GC 2014 This page is intentionally left blank ...
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