Nice HySecurity SlideSmart DC Series Installation And Programming Manual page 100

Display
Alert, Error or
Condition
N o A C I n p u t
NO AC POWER Power Advisory
only.
Low 24VDC
LOW 24VDC UPS Batteries
Advisory only.
100 100
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Table 16. Smart DC Controller - Troubleshooting
Description
Fault
AC power is shut off at source (breaker)
or is not connected. AC power switch
on operator (lower rocker switch) is
turned off, or circuit breaker on the
operator has tripped.
Occurs when battery voltage has
dropped to less than 22V. At this level,
batteries are 80% depleted. Normal
function until 21V.
TROUBLESHOOTING
Possible Causes Solutions
1. Turn AC power
switch on or
connect power to
operator.
2. Reset operator
circuit breaker or
connect power to
AC switch.
3. Reset circuit breaker
at electrical panel.
4. Have a licensed
electrician check
wiring.
1. No AC Power. See
above item.
2. Wiring / Connector
problem - check
all connections.
Clean or repair as
required.
3. Check battery
condition.
4. Smart DC Controller
charger failure
- check charger
voltage and
replace Smart DC
Controller.
5. Transformer failure -
replace transformer.