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16 Troubleshooting
16.2 Troubleshooting FOC
Table 16.1: Troubleshooting LOS
(Continued)
Problem
16.2 Troubleshooting FOC
Table 16.2: Troubleshooting FOC
Problem
SF910i does not sense the flame
Flame is detected but the flame relay
does not energize
Error code on display
8VZZ005286 B
Possible Causes
Flame Explorer network not
initialized
Wrong communication protocol
Possible Causes
Combustion is bad
Lens at the hot side is dirty
Wrong wiring to the scanner
Fiber optic bundle is damaged
Electronics board failure
Device is in "First Time Power Up"
Wrong wiring to the scanner
Flame-relay contact failure
Hardware failure (?)
Corrective Actions
Search for the original manufacturer
driver, make sure it complies with the
PC Win-OS running Flame Explorer
and execute the installation wizard
Refer to
Section 8.3.6
for COM
parameters setting
Corrective Actions
Ask for the authorized personnel to
take actions
Make sure that the cooling/purging
air matches the requirements, and
follow the maintenance instruction
for cleaning
Check wiring
Replace the fiber optic bundle and
make sure no levers or mechanical
bodies bangs or bends sharply the
outer carrier
Replace the unit
Change or confirm the factory default
setting and store it
Check wiring
Replace the device
Find out the error code in
Section 17
106
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Table of Contents
Troubleshooting
