TM 10-6640-238-13 4-57 MBPLA-4-15B TEMPERATURE/ PRESSURE OVER CURRENT OVR/UNDER VOLTAGE HOT MOTOR CONTROLLER FAULTS TEMPERATURE WARM COOL HEAT OFF RESET VENT COLD 1 TEMPERATURE/ PRESSURE OVER CURRENT OVR/UNDER VOLTAGE HOT MOTOR CONTROLLER FAULTS TEMPERATURE WARM COOL HEAT OFF RESET VENT COLD TEMPERATURE/ PRESSURE OVER CURRENT OVR/UNDER VOLTAGE HOT MOTOR CONTROLLER FAULTS TEMPERATURE WARM COOL HEAT OFF RESET VENT COLD TEMPERATURE/ PRESSURE OVER CURRENT OVR/UNDER VOLTAGE HOT MOTOR CONTROLLER FAULTS TEMPERATURE WARM COOL HEAT OFF RESET VENT COLD 2 4 3 NOTE:  IF MORE THAN ONE UNIT IS OPERATING, SETTINGS MUST BE SIMILAR. MODE MODE MODE MODE 1 2 3 4 Figure 4-15. Environmental Control Unit Remote Control