Western Co WRM30+ Manuel De L'utilisateur page 31

1
Counter accessible only by remote (MODBUS).
2
Graph - charging phases
3 Float recharge status is indicated through a different recharge animation (a single animated segment)
4
For controls concerning MODBUS protocol refer to the setting manual
5 Is required Windows software"WRM30+_RS485FwUpgrade" and connection via RS485 with PC.
Alarms and errors of the system
1
2
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3
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4
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5
Low-battery Alarm
The flashing low battery symbol indicates that the low battery protection has intervened and the load
has been disconnected to preserve battery life. This protection is activated when the battery voltage
drops below the V threshold which can be set by the user. WRM30+ leaves this protection when the
LB
battery is recharged by the PV module at V
Over temperature Alarm
It intervenes when the internal temperature of WRM30+ exceeds 65 ° C, it disables the charge and
disconnects the load. You automatically exit from this protection when the internal temperature falls
below the threshold of 50° C.
The detected internal temperature can be seen on the display alternatively to error 01.
Overload Alarm
It intervenes when the load current exceeds the maximum allowed limit for WRM30 – the charge
controller disconnects the load to prevent internal damages. If this alert occurs it is necessary to verify
if the current absorbed by the load is below the allowable limit. After 1 minute WRM30+ tries to
power supply the load again and it leaves this state if the cause that generated the overload has been
removed. After 3 overload events, you have to wait for a night event to leave this protection.
Voltage error of anomalous battery
At start-up the charge controller detected an anomalous battery voltage and, therefore, it was not able
to detect the system nominal voltage. This error may be caused by over-discharged batteries; therefore,
if this error occurs it is necessary to replace the batteries. The detected anomalous voltage can be seen
on the display alternatively to error 03. To exit this error, you must restart the system.
Errore tensione di VEoC_rem.
Errore sulla tensione di fine carica inviata da remoto. Il parametro errato può essere visualizzato come
indicato (vedi § Visualizzazioni punto 0.1/0.2).
WRM30+
User manual
ALARMS
voltage.
OUT-LB
ERROR CODES
13
EN