Class1 Pump Throttle Electric Cotnrol Series 2 User Manual
Page 10

10
PTEC II
SWITCH STATUS
The ECU will cycle through the switches and flash the ACTIVE Light twice if the switch is ON
and three times if it is OFF.
1 Park Brake Switch
2 DECrease Switch
3 INCrease Switch
4 RPM/PSI Switch 2=RPM and 3=PSI
A 2-3-3-2 would indicate the Park Brake is ON, the DEC is OFF, INC is OFF and Mode is PSI.
SENSITIVITY SETTINGS
After the Switch Status, a short pause on the ACTIVE Switch and then the SENSITIVITY
Settings are flashed on the ACTIVE Light in this sequence:
1 Pressure Sensitivity
Range is 6 to 15 with 6 being the most sensitive
2 RPM Sensitivity
Range is 1 to 5 with 1 being the most sensitive
3 Ramp Speed
Range is 5 to 25 with 5 being the fastest speed
DIAGNOSTIC CODES
The Diagnostic Codes are flashed in two digit codes with a short pause between the digits
and a long pause between the codes.
flash flash flash flash (short pause) flash flash flash (long pause)
flash flash flash (short pause) flash flash flash (long pause)
This would be a code 43 and then code 33
CODE CHART
23
Pressure Sensitivity Error, PSI Sensitivity is reset to twelve (12)
25
RPM Sensitivity Error, RPM Sensitivity is reset to two (2)
27
Ramp Speed Error, Ramp Speed is reset to ten (10)
33
Interlock Error, Interlock drops out when the governor is active
43
Pressure Sensor Error, Pressure Transducer reading is out of range
45
Pump Cavitation, logged when discharge pressure drops below 30 PSI
53
INC/DEC Error, fault is detected in the INC/DEC switch circuit
ERASING CODES
Hold the INC/DEC Switch in the INC position while the codes are being flashed or hold the
INC switch ON with the Mode Switch in RPM Mode when Diagnostic Mode is entered.
DIAGNOSTIC MODE
The system stores fault information and these fault indications
can be retrieved from the Control Switch ‘ACTIVE LIGHT’ using
a diagnostic cable.
NOTE
: The Diagnostic Wire from Terminal C can be grounded to
enter the Diagnostic Mode, the interlocks must be present .
Enter the diagnostic mode by installing the diagnostic harness
and turning the GOVERN Switch to ON.
The sequence of information is as follows: