Back, User manual & product specifications, Slc-b smart solar charge controller – Tycon Power SLC-2405B/08B/10B/15B User Manual
Page 2: Models

Trouble-shooting Guide
Suggestions for Safe and Secure Use
Failure to follow these complete instructions and the suggestions 
below may cause system damage and/or personal injury.
This controller is only designed for 12V/24V solar charging.
The built-in electronic circuit protector keeps the controller away from 
overcharging, overflowing, overloading and short-circuit.
Sealed, maintenance free VLRA Batteries are highly recommended 
Do not connect any voltage stabilizer or charger to solar panel's 
terminals this can cause damage to the controller.
The controller will heat up during use, place in a well-ventilated 
location and avoid contact with the controller surface.
Keep the ventilation holes on the controller free of dust and debris.
Avoid battery short circuit at all times.
The battery may produce flammable gases, please keep away from 
spark or open flame, ensure the battery is kept in a well-ventilated 
location.
Fully charge the battery at least once a month.
Do not contact or short circuit the terminals or wires. 
Please use insulated tools during operation, keep both hands dry and 
do not stand on the wet ground. 
Please keep the children away from the battery and the controller.
Please follow the security recommendations from the battery 
manufacturer. Contact the distributor or the installation personnel if 
there is any doubt.
It is recommended that a certified electrician install and connect the 
system. 
General Disclaimer
In no event shall the manufacturer liable for any damage or 
personal injury caused by non-compliance to the operating 
instructions and safety suggestions in this brochure. The 
manufacturer will not bear any responsibility for misuse, damage, 
injury, incorrect installation and/or system design as such.
T
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SLC-B Smart Solar Charge Controller
User Manual
&
Product Specifications
5
6
7
SLC-1205B/08B/10B/15B
(For 12V System Only)
SLC-2405B/08B/10B/15B
(12V/24V Automatic Identification)
Models
Corrective Measures
Possible Cause/s
Display
Troubles
Can not 
power the 
load
Green LED off
Green LED off
Low battery
Battery likely requires 
charging
Load exceeds 
controller rating 
or short circuit 
exists
Turn off all the load, 
trouble shooting, 
change new fuse
Battery volts high 
12V system>15.5V
24V system>31V
Check if battery 
open-circuit, if not, 
the battery maybe 
damaged
Battery connection 
or fuse damaged, 
battery internal 
resistance high
Check the battery 
connection, check 
fuse and battery 
condition
Battery 
power of 
short 
duration
Battery capacity is 
low
Battery likely requires 
replacement
Battery can 
not be 
charged
Amber LED 
not flash
Solar module 
polarity reversed, 
solar module or its 
wiring damaged, 
fuse open circuit
Check the module 
polarity and 
connection
Battery be 
fully charged 
quickly
Red and
LED
on
Amber
Battery I.R. high, 
capacity low. 
Connecting wire 
too thin and too 
long
Battery likely requires 
replacement and 
new, shorter/thicker 
connecting wires 
should be installed
If it is not cause by 
over-load or 
short-circuit, please:
Option1: Press the 
reset button in 
controller back.
Option2: Reconnect
 the controller after a 
few seconds
Load current over 
the rated value
Or
Load short circuit
Green LED off
LED
and Red LED 
flash
Amber
Controller 
Not 
Operating
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:
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~
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≤
8
