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Section 20.14
Troubleshooting Electronic Fire Commander
The Information Center displays DDEC ECM/ECU diagnostic codes and limited engine information as well as PSG status.
The Information Center display can be used as an aid in troubleshooting the Pressure Governor System and the Electronic Fire Commander. See Figure 'Electronic Fire Commander Panel Display' .
Figure 1. Electronic Fire Commander Panel Display
Some of the common troubles encountered during the installation and check out of the Electronic Fire Commander and suggested actions are listed in Table 'Electronic Fire Commander Troubleshooting'.
Psg Nepra 4000 Series Manual Pdf
Condition | Action |
EFC Will Not Light Up | Check that the necessary switches are turned on. |
Check that there is a 12 VDC between pins #1 and #2 at the EFC 4-pin connector, as listed in Table '4-pin Connector, Deutsch DT06-4S, DDC P/N: 23512304'. | |
Throttle Will Not Increase In RPM Mode | Check that the THROTTLE READY lamp is on. The EFC will not respond in RPM mode unless the OEM safety interlock requirements that enable the throttle are met. |
Press the PRESET and then the INC buttons. Hospital inventory management software, free download. Does the EFC indicate it is increasing RPM on the data display? | |
Check the switch and outputs I/O test. (Accessed in the Information Center menu.) | |
Re-initialize the EFC. (Remove power to the EFC; wait ten seconds and then power the unit and try again. The EFC performs a 'self-test' when it is powered up. This is indicated on the EFC by a momentary lighting of all the display segments.) | |
Throttle Will Not Increase In Pressure Mode | Check that all three lamps: PUMP ENGAGED, OKAY TO PUMP, and THROTTLE READY are on. |
Press the INC and then the PRESET buttons to increase pump pressure. | |
Check for a pump discharge pressure reading in the Menu. | |
Re-initialize the EFC. (Remove power to the EFC; wait ten seconds and then power the unit and try again. The EFC performs a 'self-test' when it is powered up. This is indicated on the EFC by a momentary lighting of all the display segments.) | |
Engine Data Display Is Showing All Zeroes | Check that the connections at pins #3 and #4 of the EFC 4-pin connector, as listed in Table '4-pin Connector, Deutsch DT06-4S, DDC P/N: 23512304', are secure. |
Check that there is continuity on the 900 and 901 circuits from the ECM/ECU connector to the EFC connector. | |
THROTTLE READY Lamp Will Not Turn On | Check that the parking brake is on. |
Check that the transmission is in neutral, or the hand throttle (PTO) is engaged. | |
Check for 12 VDC at pin #2 of the EFC 12-pin connector as listed in Table '12-pin Connector, Deutsch DT06-12S, DDC P/N: 23520825'. | |
Check that all OEM safety requirements for pump operation are fulfilled.
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Check for 12 VDC at pin #10 of the EFC 12-pin connector as listed in Table '12-pin Connector, Deutsch DT06-12S, DDC P/N: 23520825'. | |
Mode Will Not Change From RPM to Pressure | Are the PUMP ENGAGED and OKAY TO PUMP lamps on? |
Does the MODE switch pass the I/O test? (Accessed in the Information Center menu.) | |
PRESET Button Doesn't Work | Check that the proper lamps are on for the mode you want to operate. |
Is there a valid preset programmed into the menu? If not, refer to '20.14.1 PROGRAMMING THE ELECTRONIC FIRE COMMANDER' and complete the steps given there. | |
Does PRESET pass the I/O test? (Accessed in the Information Center menu.) |
EFC Connector Cavity | Circuit Description | ECM/ECU Circuit | EFC Input/Output |
A1 | DDEC Accessory Power | V-15 | (+) System Power |
A2 | DDEC Accessory Ground | Batt (-) | (-) System Ground |
A3 | DDEC 1708 Data Link (+) | V-56 | J1587 Serial Link |
A4 | DDEC 1708 Data Link (-) | V-57 | J1587 Serial Link |
EFC Connector Cavity Inpage 2009 softonic. | Circuit Description | ECM/ECU Circuit * | EFC Input/Output |
B1 | DDEC PSG Mode Select | V-26 | Output (ground) to DDEC |
B2 | OEM Interlock from OEM | — | Input (+12 VDC) |
B3 | Cavity plug | — | No connection |
B4 | DDEC PSG Mode | V-05 | Input (ground) from DDEC |
B5 | DDEC PSG Enable | V-09 | Output (ground) to DDEC |
B6 | DDEC PSG Increase | V-08 | Output (ground) to DDEC |
B7 | DDEC PSG Decrease | V-47 | Output (ground) to DDEC |
B8 | PSG Active | V-06 | Input (ground) from DDEC |
B9 | Alarm | — | |
B10 | PTO Engaged | — | Input (+12 VDC) from OEM |
B11 | Cavity Plug | — | No connection |
B12 | Low fuel | — |
* DDC circuit numbers and port assignments shown are typical but can differ from application to application.Section 20.14.1
PROGRAMMING THE ELECTRONIC FIRE COMMANDER
Program the EFC by selecting items from a menu. When the EFC is in Programming Mode only the Information Center lights will be visible.
To enter the programming menu:
- Ensure the PTO/Pump is disengaged (i.e. 0 volts on pin B10 'PTO/Pump Engaged') and that engine speed is less than 900 RPM.
- Press and hold the MODE and MENU buttons at the same time until 'PRESS IDLE TO EXIT' is momentarily displayed on the Information Center, then release both buttons.
- Scroll through the menu by pressing the MENU button.
- Change a menu selection using the INC and DEC buttons.
- Exit the programming menu in one of two ways:
- Press IDLE to exit the menu and save changes.
- Press MODE to exit the menu without saving changes.
Section 20.14.2
EFC Programming Menu Options
As you scroll through the menu by repeatedly pressing the MENU button, the following items, listed in Table 'EFC Programming Options on Information Center Menu', will appear sequentially in the Information Center display.
Menu Item | Explanation | Programming | |
Button | Change | ||
RPM Preset Point: | Preset Engine Speed | Incr/Decr | +/- 25 RPM |
Pressure PRESet (PSI): | Preset PSI | Incr/Decr | +/- 25 PSI |
Engine Hour meter: | Information Only | -- | -- |
Pump Hour meter: | Information Only | -- | -- |
Engine Temperature: | Oil or Coolant | Incr/Decr | Cycles options |
Pump Pressure (PSI): | Pressure Reading if Active | -- | -- |
DDEC Software Ver: | ECM/ECU Revision Level | -- | -- |
EFC Software Ver: | EFC Revision Level | -- | -- |
Fire Commander I/O Test: | Test Switches and Outputs | Any | -- |
Press [MODE] Test Lights:* | Tests Display Panel & Audible Alarm | Mode | -- |
Set Time Clock: | Set Clock | Incr/Decr | +/- 1 minute |
Units of Measure: | English or Metric | Incr/Decr | Cycles options |
Welcome Message: | Enable or Disable | Incr/Decr Intel gma 3100 graphics driver. | Cycles options |
Codes Currently Active: | Information Only | -- | -- |
Connector Data: | Displays Connection Pinouts | Incr/Decr | Scroll fwd/back |
SAVE? [Idle Y] [Mode N] | Exit and Save Options | -- | -- |
Psg Nepra 4000 Series Manual Transfer Switch
* PUMP ENGAGED and THROTTLE READY will not illuminate.| Generated on 10-13-2008 |
Molex® offers a variety industry standard crimp presses that accept the most common industry standard applicators in the market, thereby reducing tooling costs and providing production flexibility. Molex crimp presses are of the highest quality production machines in the market with some of the most cost-effective price points in the industry. For high volume applications, Molex applicators will work in high speed wire processing machines which accept industry standard applicators.
TM-3000™ Press System
The 0638017200 (120V AC version) and the 0638017300 (240V AC version) TM-3000™ Universal Press systems are economical, electrically operated, single-cycle and split cycle direct drive presses. They are designed to provide an effective method of applying a wide range of side-feed and rear-feed terminals to a pre-stripped discrete wire or cable. Both the TM-3000™ presses are suited for mid-volume semi-automatic operations. Production flexibility is obtained using interchangeable Molex FineAdjust™ or Molex Mini-Mac™ applicators and most Industry Standard Applicators. This press is designed to operate the Molex Crimp Tape Module (0640162000) for 2awg un-insulated and 4awg insulated Mylar tape product. These presses have a 135.80mm (5.346”) shut height, which is industry standard with a 30mm press stroke. These presses will complete one crimping cycle with each depression of the foot pedal and two depressions for split cycle. Safe operation is provided by two interlock switches that render the press inoperative if the safety guard is opened, removed, or if the hand cycle wrench is being used. These are 2.0 tons presses with the capability of crimping up to 8awg product (depending on the material of the connector). This press system comes standard with the air hook-up, terminal oiler, tool kit, led light, and a counter.
TM-4000™ Press System
The 0638017600 (240V AC version) TM-4000™ Universal Press system is an economical, electrically operated, single-cycle and split cycle direct drive press. If your facility does not have 240v hook-up, we offer a step up transformer (part number 0625002992). The step up transformer allows the Molex TM-4000™ press to plug into a standard 120v wall outlet. This press is designed to provide an effective method of applying a wide range of side-feed and rear-feed terminals to a pre-stripped discrete wire or cable. Both the TM-4000™ presses are suited for mid-volume semi-automatic operations. Production flexibility is obtained using interchangeable Molex FineAdjust™ or Molex Mini-Mac™ applicators and most Industrial Standard Applicators. This press is designed to operate the Molex Crimp Tape Module (0640162000) for 2awg un-insulated and 4awg insulated Mylar tape product. This press has a 135.80mm (5.346”) shut height, which is industry standard with a 30mm press stroke. This press will complete one crimping cycle with each depression of the foot pedal and two depressions for split cycle. Safe operation is provided by two interlock switches that render the press inoperative if the safety guard is opened, removed, or if the hand cycle wrench is being used. This is a 4.0 ton press with the capability of crimping up to 2awg un-insulated product depending on the material of the connector. This press system comes standard with the air hook-up, terminal oiler, tool kit, led light, and a counter.
TM-2000™ Press System (Replaced by TM-3000 / TM-4000)
This press system has been replaced by the Molex TM-3000™ press system, but is still supported and used in the field today. The TM-2000™ Universal Press is an electrically-operated, single-cycle flywheel press. It provides an effective method of applying a wide range of side-feed and rear-feed terminals to a pre-stripped discrete wire or cable. The TM-2000™ is suited to mid-volume semiautomatic operations. Production flexibility is obtained using interchangeable Molex FineAdjust™ or Molex Mini-Mac™ applicators and most Industrial Standard Applicators. This press has a 135.80mm (5.346”) shut height, which is the industry standard, with a 38.1mm press stroke. The TM-2000™ will complete one crimping cycle with each depression of the foot pedal. Safe operation is provided by an interlock switch that renders the press inoperative if the safety guard is removed. These are 2.0 tons presses with the capability of crimping up to 8awg product depending on the material of the connector.
TM-40™ and TM-42™ Press System (Replaced by TM-3000 / TM-4000)
This press system is still supported and used in the field today, although it has been replaced by the Molex TM-3000™ and Molex TM-4000™ press system, using the T2/Terminator Crimp Module (0638018500). The TM42™ Termination Machine is an electrically operated, single-cycle, flywheel press. It provides an effective method of terminating a wide range of Molex side-feed crimp terminals to pre-stripped discrete wire and cable. Production flexibility is obtained through the use of interchangeable modular terminator dies. The TM42™ is ideally suited for mid-volume, semiautomatic operation. The TM42™ will complete one crimping cycle with each depression of the foot pedal. Safe operation is provided by an interlock switch that renders the press inoperative if the safety guard is removed.
ATP-301™ Press System (Replaced by TM-3000 / TM-4000)
This ATP-301 press system has been replaced by the Molex TM-3000™ and TM-4000™ press systems with the Molex Crimp Tape Module (0640162000) installed into the press. This new Crimp Tape Module system accepts all of the ATP-301 die sets that are in the field today thereby reducing the need for a customer to purchase replacement die sets. However, the ATP-301 is still supported used in the field today. The ATP-301 Air Tape Press is an electrically controlled, air powered termination machine. It provides an effective method for low cost, high quality terminations of tape carried products including insulated and un-insulated terminals, quick disconnects, and some types of splices with sizes from 26 through 8awg. The ATP-301 Air Tape Press will complete one crimping cycle with each depression of the foot pedal. A product is terminated and advanced to the next position for removal in approximately one second. Double spaced products can be processed with the flip of a switch.
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