JLG 600A_AJ Operator Manual - Manual (Page 52)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3-8 – JLG Lift – 3121615
Ground Control Indicator Panel
(See Figure 3-3.)
1. No Alternator Output Indicator
Indicates a problem in the charging circuit,
and service is required.
2. Engine Oil Pressure Indicator
Indicates that engine oil pressure is below nor-
mal and service is required.
3. High Engine Coolant Temperature Indicator
(Liquid Cooled Engines)
Indicates that engine coolant temperature is
abnormally high and service is required.
4. Engine Oil Temperature Indicator (Deutz)
Indicates that the temperature of the engine
oil, which also serves as engine coolant, is
abnormally high and service is required.
5. System Distress Indicator
The light indicates that the JLG Control System
has detected an abnormal condition and a
Diagnostic Trouble Code has been set in the
system memory. Refer to the Service Manual for instructions
concerning the trouble codes and trouble code retrieval.
The system distress indicator light will illuminate for 2-3 sec-
onds when the key is positioned to the on position to act as
a self test.