5.3 Troubleshooting
FAI LED only lights when FAI
input is activated
FAI input not activated
FAI LED not lit
Check FAI input
FAI input activated
FAI LED lit
Verify that the FAI input is not
active
FAI Input activated
Check B2 power supply and
ABC cable
No voltage on B2 Buss
Buss Voltage 2 LED not lit
Check B1 power supply and
ABC cable
No voltage on B1 Buss
Buss Voltage 1 LED not lit
Check power supply
Power supply outputting
incorrect voltage
Incorrect voltage on output
Verify contact / voltage / open
collector being used to activate
the input is activating properly
Input not being activated
Verify proper input and output
jumper settings
Improper Jumper Settings
Input not operating as
expected
Verify correct state of input and
input wiring configuration
Input not in correct state
Check output wiring and
remove load for 30 seconds to
reset
Tripped output PTC (DC1
output)
Check output wiring and
replace fuse
Blown output fuse (DC2 output)
Verify the power supply
No voltage supply
Verify jumpers present and in
the correct position
Missing or incorrectly set
jumper
No voltage on output
Solution
Possible Cause
Condition
FAIM Installation Instructions
2009/10/30 16:12:34
52-382 Rev A.01
Page 14 of 15
AlarmSaf
65A Industrial Way, Wilmington, MA 01887 978 658 6717 www.alarmsaf.com