15
No. LED COLOUR STATUS DESCRIPTION
1 Mains GREEN ON AC input OK
OFF AC disconnected
Quick ashing (ash twice every second) AC input abnormal
2 Str Bat GREEN ON Alternator charging the SERVICE battery
Slow ashing (ash once every second) Starter battery is >13.4V and is being charged by
the AC
Quick ashing (ash twice every second) The Starter Battery is 2~13.4V or >16.0V, while
AC power is connected.
OFF Starter battery is disconnected.
3 PV
(Solar)
GREEN ON Solar charging the battery
Slow ashing (ash once every second) The input voltage of the Solar is normal but it is
charged by the AC or Starter battery
Quick ashing (ash twice every second) Solar input voltage error – Solar voltage >50Vdc
OFF Solar disconnected
4 CHG GREEN ON Battery charged
Slow ashing (ash once every second) Battery charging
Quick ashing (ash twice every second) Battery discharge
OFF Battery disconnected
5 FAULT RED ON Short circuit
Flash once per cycle Service battery voltage low
Flash twice per cycle Service battery voltage high
Flash 3 times per cycle PM335 unit Over Temperature
Flash 4 times per cycle Bulk charge timeout
Flash 5 times per cycle VCR anomaly
Flash 6 times per cycle Environment Over Temperature
Table 7 LED indicator description of PM335
Figure 21 An overview of PM335
5. DISPLAY
5.1 PM300-BT Power Management System
P/No. PM335
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