© 2024 Enphase Energy Inc. All rights reserved.
January 2024
140-00277-03
11
HCS Installation and Operation Manual
Front panel LED indications
The front panel on the HCS has four indicator lights, as shown in Figure 1.
Power (Amber) indicates that power is available on the EVSE.
Charging (Green) indicates that the vehicle is requesting a charge, and AC power is currently applied to the vehicle.
Power Fault (Red) indicates that the EVSE is not wired correctly. The problem can be due to improper grounding or a
missing Earth Ground. The wiring should be examined by a qualied electrician.
Charging Fault (Red) indicates that the EVSE is unable to communicate with the vehicle correctly, or a safety fault
condition has been detected by the unit.
Figure 1: HCS front panel
Table 1: Front panel LED information
NO POWER TO EVSE. CHECK
CIRCUIT BREAKER.
NOT PLUGGED INTO THE EV, OR
THE EV IS NOT READY TO CHARGE.
CHARGING ENABLED, POWER IS
APPLIED TO THE VEHICLE.
IMPROPER GROUNDING OR
GROUND IS NOT PRESENT.
PROBLEM WITH EV
COMMUNICATIONS.
DISCONNECT AND RESTART.
EV GROUND FAULT TRIP. CHECK
VEHICLE CONNECTION.
INTERNAL EVSE FAULT.
CALL FOR SERVICE.
1 OFF OFF OFF OFF
ON OFF OFF OFF
ON ON OFF OFF
ON OFF OFF
ON OFF OFF
ON OFF OFF BLINKING
ON OFF BLINKING BLINKING
ON - NOT
BLINKING
ON - NOT
BLINKING
AMBER
POWER
LED
GREEN
CHARGING
LED
RED
CHARGING
FAULT LED
FAULT CONDITION
#
RED
POWER
FAULT LED
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