5.4 Troubleshooting
The charger only enables when it
senses a battery on the terminals.
This is a normal condition
No voltage on battery terminals
Contact AlarmSaf
Internal problem with PS5-M
Verify correct setting of Bat Detect
jumper
Bat Detect Jumper (JP10) set
incorrectly
No battery presence detection
An impedance exists in the system
between earth ground and the
output of the supply.
Earth Ground Fault
The yellow “GND FLT” LED (D21) is lit
This fuse is nonreplaceable - Contact
AlarmSaf
Blown AC fuse
Verify the presence of at least 102
VAC
Low or Missing AC
The yellow “AC FLT” LED (D22) is lit
Contact AlarmSaf
Internal problem with PS5-M
Verify that a good battery set of the
proper voltage is connected to the
PS5-M
Damaged, Incorrect, or Missing
Battery Set
Verify proper connection of the ABC
cable(s)
Improper ABC cable connection
Verify that output current is less than
the rated current
Excessive loading on output
Verify fuse is intact - Check wiring
integrity before replacing fuse
Blown battery fuse
The yellow “COM FLT” LED (D16) is
lit
If the PS5-M experiences an over
temperature, overload, or output
voltage o/-10% regulation
fault ten times within 52 seconds, the
supply will shut down and transfer to
battery until AC power is cycled.
PS5-M has shut down
Verify that a good battery set of the
proper voltage is connected to the
PS5-M
Bad / Incorrect Battery Set
Verify presence of AC voltage
AC trouble
Verify that output current is less than
rated current
Excessive loading on output
Verify proper switch setting
Incorrect switch setting
The output voltage of the PS5-M is
incorrect or missing
Solution
Possible Cause
Condition
PS5-M Installation Instructions
February 23, 2012
52-375 Rev A.03
Page 17 of 18
AlarmSaf
65A Industrial Way, Wilmington, MA 01887 978 658 6717 www.alarmsaf.com
