USER MANUAL
COOLMAX SRX – Wall Mount
Australian Energy Research Labs
AER09 – Rev 1.2.3
31
st
October 2022
24
AER09 REV 1.2.3
Troubleshooting – Error Codes
If the CoolMax SRX detects an issue, a warning, or fault code will be triggered.
Please refer to the table below for Warning Codes and the tables located on
Page 25 & 26
for Fault Codes.
Warning
Code
LED Code
Warning
Description
Recommended Action
-26
Flashing
Yellow/Green
Device Not
Configured
The initial setup
process has not been
completed and the
device will not begin
charging.
Connect and configure the
device with the AERL Link
Software.
Refer to Page 14.
-1303
Solid
Yellow/Green
Charger
Disabled
The charger has been
disabled via the
Settings in AERL Link.
Connect to the device and
enable the charger to begin
charging.
-1153
Solid Blue
Low Input
Voltage
Detected
(Sleep Mode)
The PV Voltage is
below the minimum
allowed PV Voltage or
not adequate to charge
the connected battery.
Confirm PV String
Configuration is appropriate
for the device and the sun is
shining.
Note – This code may be
shown during sunrise and
sunset conditions.
-1304
N/A
Battery Sense
Not Detected
The remote voltage and
temperature sensor is
either unplugged or
faulty.
Refer to Battery Sense User
Manual for troubleshooting.
-1301
Flashing
Yellow/Green
CAN Master
Lost
The device has not
received information
from the Master within
the allowed time-out
window.
Confirm your RJ45
connection has not been
interrupted and the Master
device is still active.
-1160
Flashing
Yellow/Green
Configuration
Out of Range
Set Point configuration
is outside limits and
may be dangerous for
detected nominal
battery voltage.
Confirm the Charge Profile is
appropriate for the battery
being charged. Refer to the
Battery Manufacturer’s
recommendations.
