AMC pm-scc-80 am Manual De Usuario

z  Proceed as follows for a quick detection of common faults. 
z  Consult your Power Master dealer if the fault cannot be resolved. 

 

Problem or Error message 

Cause 

Solution 

 

 

 

 

When the PV array voltage is 

higher than 140VDC for 

PM-SCC-80AM or higher than 

240VDC for PM-SCC-80AMW, 

the battery charging stops. 

Make sure the PV array 

voltage is within the 

rated voltage range. 

 

 

 

 

The ambient temperature is too 

high and it causes the over 

temperature of heatsink. 

Place the Premium 

MPPT Series unit in a 

cool and well-ventilated 

room. 

 

 

 

 

The battery temperature is 

detected too high by the Battery 

Temperature Sensor (BTS-3). 

Check the battery 

condition and place the 

battery bank in an 

well-ventilated room. 

 

 

 

 

The communication failure 

between Master and Slave units 

or between Slave and Slave units 

has occurred. 

Check the connecting 

cables between Master 

and Slave units or the 

cables among Slaves.   

ERROR!!! 

High Input Voltage 

ERROR!!! 

Premium MPPT Over-Temp. 

ERROR!!! 

Battery Over-Temp. 

ERROR!!! 

Parallel COM Failed   

 

 

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