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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 qualified 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
January 2024
140-00277-03
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Table 1: Front panel LED information
© 2024 Enphase Energy Inc. All rights reserved.
AMBER
GREEN
RED
POWER
CHARGING
POWER
LED
LED
FAULT LED
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
ON - NOT
ON
OFF
BLINKING
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
BLINKING
RED
CHARGING
FAULT CONDITION
FAULT LED
NO POWER TO EVSE. CHECK
OFF
CIRCUIT BREAKER.
NOT PLUGGED INTO THE EV, OR
OFF
THE EV IS NOT READY TO CHARGE.
CHARGING ENABLED, POWER IS
OFF
APPLIED TO THE VEHICLE.
IMPROPER GROUNDING OR
OFF
GROUND IS NOT PRESENT.
ON - NOT
PROBLEM WITH EV COMMUNICATIONS.
BLINKING
DISCONNECT AND RESTART.
EV GROUND FAULT TRIP. CHECK
BLINKING
VEHICLE CONNECTION.
INTERNAL EVSE FAULT.
BLINKING
CALL FOR SERVICE.
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