Mec Speed Level 2684 RT Service And Parts Manual page 130

T
R O U B L E S H O O T I N G
SUPPLY M
The following are "supply" HELP messages – problems have been detected which are
likely due to supply issues:
FAULT: LOW OIL PRESSURE! _____________________________ Flash Code: 4/1
• Engine oil pressure switch open after start sequence initiated. Engine stalled or unable to start.
FAULT: BAD INTERNAL 5V!_______________________________ Flash Code: 4/2
• The internal "5V slave" supply is out of range; if the fault remains, the controller may have to
be replaced.
FAULT: BAD INTERNAL SLAVE! ___________________________ Flash Code: 4/2
• The internal "slave" is not operating correctly; if the fault remains, the controller may have to
be replaced.
FAULT: BAD INTERNAL 12V!______________________________ Flash Code: 4/3
• The internal "12V" supply is out of range;
• 12V Supply is generated by the Motor control module and supplied to the GP400. Check for
wiring errors between the two modules. If the fault remains, the Motor Controller may have to
be replaced.
FAULT: BATTERY VOLTAGE TOO LOW! _____________________ Flash Code: 4/4
• The battery supply is too low – the batteries must be re-charged.
FAULT: BATTERY VOLTAGE TOO HIGH! ____________________ Flash Code: 4/4
• The battery supply is too high – check that the correct battery and charger are installed.
FAULT: BAD 5V SENSOR SUPPLY - CHECK P2-1 WIRING! _____ Flash Code: 4/5
• The "5V sensor" supply is out of range; this supply is available to power external 5V-powered
sensors – check that is has not been overloaded or short-circuited to other wiring (CE mod-
els).
November 2009
Page 4a-26
- 3 0 8 4 R T
M O D E L S
E S S A G E S
"3084 Speed Level™ Sigma Lift" Service and Parts Manual
- - E - C R M
Z A L E T R I E V E
A H M
O D E N D E L P E S S A G E S