Error Codes And Troubleshooting - MABRU POWER SYSTEMS T2000-24V Manual

ERROR CODES AND TROUBLE SHOOTING
Digital Display
E2 Current Protection
E3 Stall Protection
E4/LU Undervoltage protection
E6 Condensation fan failure
Condensing coil fan failure or air circulation
E7 Motor phase lost
E9/PER Pressure switch protection
OPE Open temperature sensor
Bad temperature sensor.Open circuit
LU Low voltage
SHr Temperature sensor short circuit
AC Cooling failure
CS Defrost
Error Codes and Trouble Shooting
Fault Description
+1 888 818 2814
+1 888 818 2814 +1 888 818 2814
Fault Troubleshooting
Check to see if pressure is too
high and if the fan is running
Low ba�ery or too much
pressure
The ba�ery is too low and
needs to be charged
Short circuit of motor, poor
contact of plug
Compressor terminals burnt
out or compressor short
circuit
Pressure switch may be
damaged and needs
replacement
Check is plug disconnected or
the wire is broken or
damaged
Replacement of temperature
sensor
Check if system refrigerant is
low or the compressor
electronic fan has stopped
Defrost necessary
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