R
Page 4
TG115A
Section A: Description and Operation (cont.)
Regulator Status LED
Figure 5: Regulator Status LED Location
Table 2: Regulator LED Indications
LED COLOR
ALTERNATOR / REGULATOR STATUS
REQUIRED ACTION
GREEN
(Solid)
Alternator and regulator operating normally.
No action required.
AMBER
(Solid)
Voltage is below 25.0 V
If voltage is at or below regulator setpoint, allow charging sys-
tem to operate for several minutes to normalize operating tem-
perature. If charge voltage does not increase within 10 min-
utes, see Basic Troubleshooting procedures on page 5.
AMBER
(Flashing)
No alternator rotation detected.
Power down and restart alternator. If LED remains flashing
amber, perform troubleshooting procedures in Chart 1 on page
6.
RED
(Flashing)
High voltage/OVCO condition detected.
Power down and restart alternator. If LED remains flashing red,
refer to OVCO troubleshooting procedure on page 5.
NOTE:
LED off = No power/output.
