Idle switch operation, Status and warning messages, On 4.5) – Class1 117155 - TPG Governor - 117684 EXTERNAL User Manual
Page 13: N 4.6), Technical data sheet
FORM-ENG-0018 REV A 05-27-03
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TECHNICAL DATA SHEET
PAGE
12
OF 26
DATE
3/28/2012
PRODUCT GROUP
THROTTLE CONTROL
P/N
117155
REV
1.23
PRODUCT
TOTAL PRESSURE GOVERNOR (TPG)
BY
AMS
Manual P/N 117684
4.5. IDLE switch operation
Press and hold the IDLE switch for one second to release engine RPM control back to the engine ECU. The
engine RPM will promptly go to its configured curb idle (see section 5.2.15).
Note: In view of the fact that driveline stress can be induced by quick changes in engine speed, depending on rpm
and torque load, the engine speed is ramped to idle over a short duration to minimize the effect of driveline kick.
4.6. Status and warning messages
The table below details the TPG’s status and warning messages.
•
These codes will flash on the display while the error/warning is active.
•
Multiple errors/warnings may be sequenced on the display.
•
Press and hold the MENU/SILENCE switch for one second to silence the active alarm.
ERROR CODE
DESCRIPTION
SENSOR FAIL
Signal voltage from pressure sensor is less than +0.30VDC or greater than
+4.90VDC
LOW PRESSURE
Pump pressure is less than 15 PSI during pressure mode operation
OPERATOR CMD
Pump pressure was greater than 50 PSI, but has dropped to below 30 PSI
∆ RPM LIMIT
Engine speed change of greater than 200 RPM does not yield increase in PSI
WATER SUPPLY
PSI decreased while RPM was increased (while in pressure mode)
∆ PSI LIMIT
PSI increased 50 PSI over set pressure point
NO COMM DATA
Not receiving CAN communication data from engine ECU
CHECK ENGINE
Received CHECK ENGINE warning from engine ECU via CAN message
STOP ENGINE
Received STOP ENGINE warning from engine ECU via CAN message
OUTPUT FAIL
Output signal voltage differs from expected (calculated) value (no longer
displayed in version 3.2 and above)
SELECT MODE?
Increase or Decrease request when no active mode (PSI/RPM) selected
SWITCH FAIL
Switch panel reporting an improper switch combination
THROT INTLK?
Throttle ready interlock is not present when mode button is pressed