
7/8
Problem Possible Cause Solution
Luminaire does not come
on at night
Or
Light does not come on
when disconnecting panel
Battery cable terminals loose Check battery terminals are tightly fastened with spanner.
Battery connected in 24V and not 12V Conrm that batteries are connected +on+ and -on-
see connection diagram on page 5.
Battery over discharged. Exceeded
Autonomy days.
Check battery voltage is above 11.3V. Remove battery and charge using
AC power or disconnect load for 2 days to allow batteries
to charge up fully.
Battery reached end of life. Depends
on technology and environmental
conditions.
Replace batteries with specied batteries.
Luminaire driver defective
Check polarity of luminaire is correct.
Check terminals are tightly fastened in luminaire.
Connect luminaire directly to 12V battery. If it does not energize
replace luminaire.
Luminaire does not stay
on for a complete night
Exceeded the autonomy days
Check battery voltage is above 11.3V. Remove battery and charge
using AC power or disconnect load for 2 days to allow batteries
to charge up fully.
Battery reached end of life. Depends
on technology and environmental
conditions.
Replace batteries with specied batteries.
Solar Panel has poor connection thus
batteries are not being charged fully
during day cycle.
Check terminals on charge controller that solar panel cables
are tightly fastened
Check MC4 connectors for not being securely connected
Check if MC4 connectors are crimped properly onto cable
Charger does not function.
Charger light is off.
Reversed PV connection Connect PV correctly
No fuse inserted Insert 20A fuse (75/10, 75/15, 100/15)
If panel is diconnected.
Battery fully discharged
Check battery voltage is above 11.3V. Remove battery and charge
using AC power or disconnect load for 2 days to allow batteries
to charge up fully.
Blown fuse on charger Reversed battery connection.
Battery short circuit.
1. Connect battery correctly
2. Replace fuse
Troubleshoot