Honeywell SV2 Series User Manual page 190

SV2 Series Safety Shut-off Valves
Fault Fault
Category Description
FARMOD
EEPROM write
FCV Failure
FARMOD flow
sensor (S2b) out
of range
Fuel/Air
FARMOD
EEPROM
(commissioning
) data corrupted
Detailed Description
Fuel/Air Ratio Module
EEPROM write error has
occurred unexpectedly.
Fuel Control Valve has failed
to calibrate.
Fuel/Air Ratio Module flow
S2b sensor value out of
range
Fuel/Air Ratio Module
EEPROM (commissioning)
data corrupted
Remediation Steps
1.) Reset the valve, monitoring for proper
operation
2.) If fault persists replace Fuel/Air Ratio
Module.
3.) Accept new Fuel/Air Ratio Module on
the FARMOD tab in the Setup & Tests
menu of user interface.
4.) Recommission partially or fully as
desired.
Remove power and shut-off gas supply.
1.) Remove valve front electrical enclosure
and inspect Motor connection for wire
engagement, seating, pin engagement
and cleanliness. Correct any errors.
Replace electrical enclosure.
2.) Restore power and gas supply.
3.) Reset valve and burner management
system, monitoring for proper operation.
4.) If fault persists, replace valve and re-
commission.
1.) Reset valve and burner management
system, monitoring for proper operation.
2.) Check system filter for clogging and
replace as necessary.
3.) If fault persists, replace Fuel/Air Ratio
Module.
4.) Reset valve and burner management
system.
5.) Accept new Fuel/Air Ratio Module on
the FARMOD tab in the Setup & Tests
menu of user interface.
6.). Recommission partially or fully as
desired.
1.) Attempt a complete Fuel/Air valve
commissioning.
2.) If fault persists, replace Fuel/Air
Module.
3.) Reset valve and burner management
system.
4.) Accept new Fuel/Air Ratio Module on
the FARMOD tab in the Setup & Tests
menu of user interface.
5.) Recommission partially or fully as
desired.
6.) Reset valve and burner management
system, monitoring for proper operation.
190
Comments Fault
#
73
79
83
84
32-00029—02