Renogy MT-50 - Status Glossary and Troubleshooting; Common Indicator Troubleshooting

16
BATT Status
Meaning
Equalize
Battery is equalizing
Boost
Battery is in boost mode
Float
Battery is in float mode
NoCharge
No charge to battery
LVD
Low voltage disconnect
UVW
Under voltage warning
Normal
Battery is normal
OVD
Over voltage disconnect
Disc.O.O.Ctrl.
Battery experiencing error charging/discharging
Ctrler O.Temp.
Battery is too hot, over temperature
LOAD Status
Meaning
On
Load On
Off
Load Off
Load O. cur.
Load is overloaded
Load Circuit
Load connection is short
Error
Load experiencing error
MOS Short
Metal oxide semiconductor used in load is short
Failure Information
Indicator
Troubleshoot
Load MOS-Short
Reset the controller to factory settings. If problem persists,
contact supplier.
Load Circuit
Load circuit is short. Check the device wiring and connections
going into the load. There may be a break in the wire.
Load O. cur.
Load is overcurrent. Check to make sure the devices connected
to the load terminal are within the load specification. If so, then
reduce the number of loads and it will reconnect automatically.
Input O. cur.
PV terminal overcurrent. Use a multi-meter to determine whether
solar panel(s) specification match the nominal parameters of the
charge controller.
RPP Short
Check connections to make sure they are not reverse. Reset the
controller to factory settings. If problem persists, contact the
supplier
RPP Break
Reset the controller to factory settings. If problem persists,
contact the supplier
Char.MOS-Short
The charge driver is short. Reset the controller to factory
settings. If problem persists, contact the supplier