6•EN
SMARTPASS LAMP INDICATION DURING NORMAL OPERATION
LAMP STEADY FLASHING
Power lamp
Unit ready to use
2
Alternator battery
consumption lamp
Engine running
Too high current through
relay
1
Service battery charging
lamp
Charging Service battery
4
Service battery
consumption lamp
Consumers powered by
Service battery
Too high current through
relay
3
Alternator battery
charging lamp
Alternator battery
maintained by Service
battery
Too high current through
relay
Error lamp
Indicates that an error
has occurred. See the
table below.
SMARTPASS LAMP FUNCTION
EXPLANATION
High current from alternator to service battery. Consu-
mer powered by alternator
Reduced current from alternator to service battery.
Consumer powered by alternator
Consumer powered by alternator. Battery charged by
D250S DUAL charger
Pulse maintenance of starter battery
2
1 4
SMARTPASS LAMP ERROR INDICATION
2 1 4 3 EXPLANATION RECOMMENDATION
Service battery overheated Check condition
and/or installation
Too high current through or temperature at internal relay. Too high
Service battery charge current.
Check service battery. Reduce alternator size or add one more D250S
DUAL in parallel. Service battery bank too deeply discharged.
Too high current through or temperature at internal relay. Too many
consumers connected at the same time.
Consider relocation of unit. Reduce power usage.
Too high current through or temperature at internal relay. Too high cur-
rent to starter battery.
Starter battery problems, check battery.
Too high current through or temperature at internal relay. Too many
consumers connected.
Relocate unit or reduce concurrent use of consumers.
Battery watch activated. Service battery too low Recharge Service battery
Steady lamp Flashing lamp
3
20015686F D250S Dual + SmartPass, Manual, Print file 001.indd 6 2011-12-20 11:19:32
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