SciCan Bravo Troubleshooting Manual
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SciCan Bravo Troubleshooting Manual

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  • Page 1 Bravo Troubleshooting Guide...

  • Page 2: Table Of Contents

    Alarm Codes H990 Over Pressure, H991 Overheating PT1, H992 Overheating PT2 & H993 Overheating PT3 Bravo Forced Ventilation Bravo Vacuum Timeouts or Will Not Vent A250, A253, A256 & A260 Troubleshooting Bravo 17 Vacuum Pump H5P5 Rebuild Instructions 46-48 Bravo 17V & 21V Vacuum Pump EVO10 Rebuild Instructions 49-58 Bravo Chamber Will Not Pressurize A251, A252, A254, A255, A257, A258 &...

  • Page 3: Bravo Alarm Code By Alarm Code Indication

    Bravo Alarm Code by Alarm Indication Alarm Indication Code Alarm Description ATM1 Timeout A251 rise to ambient pressure not reached within timeout ATM2 Timeout A254 2nd rise to ambient pressure not reached within timeout ATM3 Timeout A257 3rd rise to ambient pressure not reached within timeout...

  • Page 4: Alarm Codes A022, A023, A024, E020 & E021 Door Locking Problems

    If the door motor does not operate check fuse F4 on the Bravo Gam PCB and check the red reset button on the Troll PCB. Check the...
  • Page 5 If the door motor does not operate check fuse F4 on the Bravo Gam PCB and check the red reset button on the Troll PCB. Check the Pressure Switch you should have continuity between the two white wires.
  • Page 6 Push and hold the hidden key while turning the power ON. The message “Locking Device will appear on the LCD. Release the hidden key and press the stop/start key to reset the door locking mechanism. Open the door and press the arrow up key to exit. Turn the Bravo OFF and reinstall X21. Hidden Key...
  • Page 7 Bravo Door Motor Troubleshooting The Bravo Door Motor is a DC motor. The voltage to the motor should read 24 -29 VDC. If replacing the door motor the white wire must be connected to the terminal with the red or blue dot to the left of the label.
  • Page 8 Bravo Door Micro switch Wiring Troll PCB Door Closed Door Open Micro switch Hook Micro switch Blue & Black wires to Door Closed Micro switch White wire common to open & closed Door Hook Door Open Micro switches. Hook Micro switch...
  • Page 9 Bravo Door Motor Hook & Switch Assembly Item # Description Part # Comments Door Roller Switch 43300080000 The roller switch has normally closed contacts that will open when the switch is activated. Door Closing Hook C0BP0590000 This hook (upper) locks the door closed and activates the door roller switch when (upper hook) the door motor is in the closed position.

  • Page 10: Alarm Code E010

    Bravo Error E010 Door Open When a cycle is started the door must be closed and the flashing key icon should appear on the display. If no flashing key icon appears check the Door Microswitch, it is normally open and should be closed when the door is closed.

  • Page 11: Alarm Code E020 & E021

    If the door motor does not operate check fuse F4 on the Bravo Gam PCB and check the red reset button on the Troll PCB. Check the Pressure Switch you should have continuity between the two white wires.
  • Page 12 Bravo Door Positioner Adjustment 1. Remove the covers (left, upper & right). 2. Open and close the door to check its operation. 3. In case the door does not remain closed (no click at the stroke end), loosen the nut (1) and turn the positioner (2) clockwise.

  • Page 13: Alarm Code A032 Leveler Problem

    4. Check receptacle with a ground tester plug. The Bravo sterilizers have three float switches. Two of them are located in the clean water reservoir and one is located in the used water reservoir. The switches in the clean water reservoir are visible from the front of the Bravo and the used water reservoir switch from the rear of the Bravo.

  • Page 14: Alarm Code A040 & E041 Automatic Water Filling Problem

    OFF within 2 minutes from the start command of the automatic filling. Note: If Bravo is a new installation or was completely drained you may need to turn the Bravo OFF and back ON to allow the unit to automatically fill twice to get sufficient water to activate the MIN level switch.
  • Page 15 When error code A040 appears the auxiliary pump is not pulling water into the clean water reservoir. To prime the auxiliary pump turn the unit OFF. Go to the rear of the Bravo and remove the tube coming from the external clean water reservoir.
  • Page 16 Press and hold the first key on the right while pressing the plunger on the syringe connected to the rear of the Bravo. If the syringe runs out of water release the first key on the right and refill the syringe.
  • Page 17 Bravo Water Pump disassembly for cleaning and inspection Remove wires from pump and solenoid coils. Remove pump inlet and outlet tubing. Remove two screws that hold shaft to pump coil. Hold white shaft with one hand and white mounting piece with screws with the other hand.

  • Page 18: Alarm Codes A101, A102, A103 & A104 Ptx Broken

    Bravo Error A101, A102, A103 & A104 PTX Broken Error A101 – PT1 Broken (Chamber Thermocouple) The temperature detected by PT1 is higher than 250°C. 1. PT1 is broken should read approximately 1056Ω connected and 1086Ω disconnected. 2. Check the temperature value on the display.

  • Page 19: Alarm Codes A111, A112, A113 & A114 Ptx Short-Circuit

    Bravo Error A111, A112, A113 & A114 PTX Short-circuit Error A111 – PT1 Short-circuit (Chamber Thermocouple) Short-circuit in the PT1 probe. PT1 is reading a temperature value lower than 1°C. 1. Check the temperature value on the display. 2. If just being installed make sure unit was not in a cold truck overnight.

  • Page 20: Alarm Code A200 Heating Problem

    Troubleshooting Bravo Error A200 Error A200 – Heating Problem Preheating phase not performed within the preset time. Pre-vacuum phase PV1 not start within 30 minutes from the cycle start. 1. Check the steam generator safety thermostat. 2. Check the band heating element safety thermostat.

  • Page 21: Alarm Code A250 Pv1 Timeout

    Note: Filter screen must be removed from the nut as debris collects on the inside of the filter. 2. Check for excess moisture in the chamber. Make sure Bravo has 2 inches of clearance on the left side, right side and the top and 4 inches of clearance in the rear. Dry chamber and try another cycle.

  • Page 22: Alarm Code A251 Atm1 Timeout

    1. Check that chamber is not overloaded. 2. Check door gasket for steam leakage. 3. Check steam generator and band heater safety thermostats in rear of Bravo. 4. Check steam generator heating elements 120V units should read 7Ω and 220V units should read 26Ω.

  • Page 23: Alarm Code A252 Pp1 Timeout

    1. Check that chamber is not overloaded. 2. Check door gasket for steam leakage. 3. Check steam generator and band heater safety thermostats in rear of Bravo. 4. Check steam generator heating elements 120V units should read 7Ω and 220V units should read 26Ω.

  • Page 24: Alarm Code A253 Pv2 Timeout

    Note: Filter screen must be removed from the nut as debris collects on the inside of the filter. 2. Check for excess moisture in the chamber. Make sure Bravo has 2 inches of clearance on the left side, right side and the top and 4 inches of clearance in the rear. Dry chamber and try another cycle.

  • Page 25: Alarm Code A254 Atm2 Timeout

    1. Check that chamber is not overloaded. 2. Check door gasket for steam leakage. 3. Check steam generator and band heater safety thermostats in rear of Bravo. 4. Check steam generator heating elements 120V units should read 7Ω and 220V units should read 26Ω.

  • Page 26: Alarm Code A255 Pp2 Timeout

    1. Check that chamber is not overloaded. 2. Check door gasket for steam leakage. 3. Check steam generator and band heater safety thermostats in rear of Bravo. 4. Check steam generator heating elements 120V units should read 7Ω and 220V units should read 26Ω.

  • Page 27: Alarm Code A256 Pv3 Timeout

    Door gasket should be replaced every 1000 cycles or after 1 year whichever comes first. 4. Check for excess moisture in the chamber. Make sure Bravo has 2 inches of clearance on the left side, right side and the top and 4inches of clearance in the rear. Dry chamber and try another cycle.

  • Page 28: Alarm Code A257 Atm3 Timeout

    1. Check that chamber is not overloaded. 2. Check door gasket for steam leakage. 3. Check steam generator and band heater safety thermostats in rear of Bravo. 4. Check steam generator heating elements 120V units should read 7Ω and 220V units should read 26Ω.

  • Page 29: Alarm Code A258 Ppp Timeout

    1. Check that chamber is not overloaded. 2. Check door gasket for steam leakage. 3. Check steam generator and band heater safety thermostats in rear of Bravo. 4. Check steam generator heating elements 120V units should read 7Ω and 220V units should read 26Ω.

  • Page 30: Alarm Code A259 Process Timeout

    1. Check that chamber is not overloaded. 2. Check door gasket for steam leakage. 3. Check steam generator and band heater safety thermostats in rear of Bravo. 4. Check steam generator heating elements, 120V unit should read 7Ω and 220V should read 26Ω.

  • Page 31: Alarm Code A260 Ppd Timeout

    Bravo Error A260 PPD Timeout Error A260 – PPD Timeout Depressurization not performed within the preset time. 1. Check for clogged filter in front of chamber. Remove nut and remove metal filter screen from the nut. Note: Filter screen must be removed from the nut as debris collects on the inside of the filter.

  • Page 32: Alarm Code E000 Black-Out

    Bravo Error Code E000 Black-Out Error Code E000 – Black-Out Loss of power to the Bravo sterilizer If power switch does not light up when unit is turned ON: 1. Check wall outlet for power 2. Check two 15A 250V fuses in rear of unit by the power cord.
  • Page 33 1. Check fuses on main PCB 2. Check for line voltage to PCB filter board 3. Check for line voltage from filter board to main PCB. If no voltage from filter board replace PCB filter board. Line Voltage In PCB Filter Board Main PCB Line Voltage In Line Voltage Out...

  • Page 34: Bravo Fuses

    Bravo Fuses Basic board: GAM version F1: T 5A 250V (secondary transformer winding) part # Fuse-T-5A F2: T 4A 250V (120V Bravo) (Primary transformer winding) part # Fuse-T-4A F2: T 2A 250V (220V Bravo) (Primary transformer winding) part # Fuse-TT-2A...

  • Page 35: Alarm Code E030 Manual Filling Water Level Minimum

    Bravo Error E030 Water Level Min Manual Filling Mode When a cycle is started in the Manual Filling Mode and the water level is below the minimum level the display will show Water Level Min Reset System and E030 will appear on the right side of the display.

  • Page 36: Alarm Code E031 Exhaust Level Max

    Bravo Error E031 Exhaust Level Max When a cycle is started and the internal drain tank is full the display will show Exhaust Level Max Reset System and E031 will appear on the right side of the display. The water level icon will flash between empty and full in the bottom left corner of the display.

  • Page 37: Alarm Codes E900, E901 & E902 Vacuum Test Failed

    Bravo Error Codes E900, E901 & E902 Vacuum Test Failed Error Code E900 – Vacuum Test Failed Pressure changed over the limit of .02 bars. Check that the Vacuum Test was not started with the chamber to hot (over 50°C).

  • Page 38: Alarm Code E999 Manual Cycle Interruption

    Bravo Error Code E999 Manual Cycle Interruption The operator can manually interrupt the cycle at any time by pressing the Start/Stop key for three seconds. This command generates an error code E999 because the cycle did not finish correctly. Until it is safe to open the door, the unit will beep and...

  • Page 39: Alarm Codes H150 Mpx Broken & H160 Mpx Short-Circuit

    Bravo Error Code H150 MPX Broken Bravo Error Code H150 – PMX Broken Pressure transducer broken. Pressure reading by the transducer is over 2.35 bars. Check plug from pressure transducer to the PCB. Pressure transducer should read approximately 9.9KΩ (green wire to white wire).

  • Page 40: Alarm Code H400 P/T Problem, H401 T/P Problem & H402 Temperature Over Limit

    Bravo Error Code H400 P/T Problem Error Code H400 – P/T Problem Ratio P conversion/T not correctly balanced (P conversion greater than T) during the process phase. The difference between the P conversion and T is greater than 2°C. Check that chamber is not overloaded.

  • Page 41: Alarm Codes H403 Temperature Under Limit, H404 Pt1 Fluctuating & H405 P Over Limit

    The PT1 temperature is under the MIN threshold during the process phase of the cycle. The temperature detected by PT1 normal value 121/134°C. Check that chamber is not overloaded. Check steam generator safety thermostat in rear of Bravo. Check door gasket for steam leakage. Check water filter steam generator water pump.

  • Page 42: Alarm Code H406 P Under Limit & H410 Timer Problem

    Pressure value is under the MIN threshold during the process phase. Pressure is below 1.03 or 2.02 bars (depending on the cycle type 121 or 134°C). Check that chamber is not overloaded. Check steam generator safety thermostat in rear of Bravo. Check door gasket for steam leakage. Check water filter steam generator water pump.

  • Page 43: H993 Overheating Pt3

    Bravo Error Code H990 Over Pressure Error Code H990 – Over Pressure Sterilization chamber is reading over pressure. Pressure value is over 2.32 bars. Check the pressure transducer. Bravo Error Code H991 Overheating PT1 Error Code H991 – Overheating PT1 PT1 is overheating.

  • Page 44: Bravo Forced Ventilation

    Bravo Forced Ventilation When the sterilization cycle is complete as long as the door is not opened, the vacuum pump is periodically enabled in order to remove any traces of condensate from the sterilization chamber. During these periods the display will show: Push the ⇑...

  • Page 45: Bravo Vacuum Timeouts Or Will Not Vent A250, A253, A256 & A260 Troubleshooting

    A250, A253, A256 & A260 All vacuum error codes indicate that the Bravo was unable to draw a vacuum down to -.8 bars before a set timeout. Depending on the cycle selected his can happen during the first vacuum pulse (A250), the second vacuum pulse (A253) or the third vacuum pulse (A256) or the chamber will not vent (A260).

  • Page 46: Bravo 17 Vacuum Pump H5P5 Rebuild Instructions

    The kit contains 2 diaphragms, 8 orange o-rings and 4 black shutters Remove the vacuum Pump from the Bravo. Slide the Bravo off the edge of a counter or drain the clean & waste water tanks and turn the Bravo on its side. Remove four screws from underneath the Bravo that screw into the vacuum pump legs.
  • Page 47 White wires can go on either terminal White Wires Ground Wire Draw a line with a marker along the black plastic heads so they can easily be aligned when reinstalling. With heads removed turn diaphragms counterclockwise to unscrew them from pump arms. When installing new diaphragms be sure to screw them completely onto the pump arms using your hand only.
  • Page 48 O-ring & Shutter Replacement After replacing the o-rings and shutters place the top piece onto the middle piece and then place the middle piece onto the bottom piece. When placing the rebuilt head assembly onto the vacuum pump motor assembly be sure the new diaphragm is seated into the bottom of the head assembly. Note: When reinstalling the Vacuum Pump mounting screws, be careful if you are using an electric screwdriver that you do not damage the rubber feet on the pump.

  • Page 49: Bravo 17V & 21V Vacuum Pump Evo10 Rebuild Instructions

    Repair Kit #SCI-900-40 1. Remove the EVO10 vacuum pump from the Bravo chassis; it is located on the right side of the unit (when looking at the Bravo from the front). The pump will be mounted to the frame in one of two ways, with or without small mounting plates (see pictures below).
  • Page 50 Wire connections Black, insulated tubes 3. The vacuum pump should now be free of the Bravo frame. If your unit employed the small mounting plates (shown below), remove the four screws attaching the plates. Screws Screws 4.
  • Page 51 5. Now flip the vacuum pump fully upside down as shown below. Take note of the large white capacitor facing you in the photo. The capacitor will be away from view (facing the inside of the Bravo) when the pump is mounted back into place, but will be used as a visual reference for these instructions (so we know which way is front and back).
  • Page 52 8. Looking downward at the head assembly you just removed, note the two input/output posts in between the two square heads. The output post will likely be out of view as shown below. For ease of recognition, rotate the post into view as shown below. Both direction arrows will now point in the same direction (away from you).
  • Page 53 11. In some older style vacuum pumps, the shutter-disks used small c-clips to hold the shutters in place. If your pump has these older shutter-disks with c-clips, no need to worry, simply replace them with the new shutter-disks provided with your rebuild kit. C-Clip style shutter-disks 12.
  • Page 54 13. Now we can address the other section of the head units that we removed in step 9. Make sure there are no o-rings left behind from the old shutter-disks in any of the six round fittings Check for old o-rings 14.
  • Page 55 15. Replace the four small o-rings by sliding them onto the posts of the heads. Slide the new rubber central connector onto one of the heads, then press the two heads together as shown, maintaining the same orientation. At this point, the two black arrows on the barb connection pieces will be pointing towards you.
  • Page 56 17. Now to replace the two main large membranes on the vacuum pump proper. To remove the membranes, lift up one edge and unscrew the membrane from the vacuum’s piston (counter-clockwise to loosen). If the membrane is difficult to remove, gripping with a pair of pliers to help unscrew is fine (the old membranes will be discarded).
  • Page 57 19. After installing the new bushings, we may now install the main diaphragm membrane to the pump’s piston. Simply screw the central threaded post of the membrane into the end of the piston. The black flywheels on either side of the vacuum pump can be manually rotated to position the piston so it is protruding upward as far as it will go;...
  • Page 58 21. After the eight fastening screws that were removed in step 6 are replaced to secure the head units to the vacuum pump proper, replace the rubber feet and mounting plates (if applicable). Your vacuum pump is now rebuilt and ready for reinstallation into the Bravo.

  • Page 59: Bravo Chamber Will Not Pressurize A251, A252, A254, A255, A257, A258 & A259

    Note: The Steam Generator Safety Thermostat (part #97730011) is located on the left and the Band Heating Element Safety Thermostat (part #97730010) is located on the right when facing the rear of the Bravo. A small screwdriver or instrument will be required to reset the original style thermostat.
  • Page 60 Using an Ohm Meter check the resistance reading of the Steam Generator heating elements. Reading should be approximately 8Ω for 120V & 27Ω for 220V Bravo. If resistance reads 15Ω for 120V or 54Ω for 220V Bravo one of the heating elements is open. We suggest replacing both elements if one is bad. If the reading is showing an open circuit, check the Steam Generator safety thermostat.
  • Page 61 Step 3 Check the water flow from the reservoir to the water pump and water pump operation. Disconnect the water inlet hose at the water pump. Check for good water flow. If the water is not flowing remove hose from inlet to water filter and check for good water flow. If water flows good, at input to filter and not at output of filter replace filter (part #97290166).
  • Page 62 Step 4 Check for water flow from steam port. Go to devices test and run the water pump and check for water coming from steam port in chamber. Note: Have a towel or paper towels available. Water will run to the front of the chamber. Steam Port Chamber Thermocouple...
  • Page 63 If steam generator is clogged plates will look similar to picture below. White calcium build up is caused by using bad water in the Bravo. Clean plates using distiller cleaner or white vinegar. It is advised to replace the O-ring (part #...

  • Page 64: Bravo Door Gasket Replacement

    Bravo Door Gasket Replacement 1. Open the door. 2. Remove the old gasket by hand. 3. Clean the door gasket seat to ensure it is debris-free. 4. Install the new door gasket by pressing it into its seat, starting at the top/bottom and on the sides.

  • Page 65: Bravo Door Plate Adjustment

    Bravo Door Plate Adjustment 1. Open the door 2. Remove the door cover; 3. Remove the insulating panel (1); 4. Remove the screw-plug (2) at the center of the door; 5. Loosen the threaded bush (4); 6. Maintaining the door dish against the door, turn completely counterclockwise the central threaded bush (4), then turn it ¾...

  • Page 66: Bravo Entering Setup Mode Disabling Password

    Turn the main power switch on and wait until one of the stand-by screens appears. Press and hold the Setup button until Bravo Setup or Insert Password appears. If Bravo Setup appears press the Enter button and proceed to your menu selection.

  • Page 67: Bravo Drying Time Adjustment

    Adjusting Drying Options on the SciCan Bravo Autoclave To change the drying options for the Bravo’s Wrapped cycles, we must first enter the Setup mode. To enter this mode from the regular standby screen, press and hold the MENU button shown here for 4-5 seconds:...
  • Page 68 From the Advanced Menu (shown below), we want to select the first option listed entitled “Programmes”. The arrow should already be pointing to that option, so simply press the START/STOP button to proceed. This will advance us to the listing of the available cycle presets. To adjust the drying options for a particular cycle, we must first select its preset slot.
  • Page 69 Once “EXTRA DRYING” is highlighted, press the START/STOP button to select that option. This will take us to the “EXTRA TIME” screen, from which we can add additional minutes to the end of the Bravo’s standard 14 minute drying stage. To set the unit to maximum drying time, simply press the PLUS button until the top line of your display reads “EXTRA TIME: 15 MIN”...
  • Page 70 When finished, press the START/STOP button. This will take us back to the list of cycle presets again: Now we are almost finished, both of your Bravo’s Wrapped cycles have been set to maximum drying time. To exit the Menus, simply press the MENU button 3 times, until your screen looks like this: To leave the Menus, press the START/STOP button.

  • Page 71: Bravo Continuous Cycles

    Bravo Continuous Cycles To set the Bravo to run continuous cycles, we must first enter the Setup mode. To enter this mode from the regular standby screen, press and hold the Menu button shown here for 4-5 seconds: Menu button After holding the Menu button down for 4-5 seconds, the Bravo will beep and display a screen similar to this.
  • Page 72 Your screen should now look like this. Press the Stop/Start button. Start/Stop button Your screen should now look like this. Press the Minus/Down button 1 time. Minus/Down Arrow button Your screen should now look like this. Press the Start/Stop button. Start/Stop button Your screen should now look like this.
  • Page 73 Note: If you wish to return the Bravo to its normal operating mode you will need to return to the Test Cycles...

  • Page 74: Bravo Maintenance Display Warning Messages

    Bravo Maintenance Display Warning Messages The sterilizer periodically reminds the user about recommended “routine” maintenance operations that must be carried out in order to ensure the proper operation of the device. The reminder notices are displayed on the screen when a sterilization cycle is started.
  • Page 75 Door Gasket Part #48000050000 Clean the door gasket and front of chamber with a clean cotton cloth soaked in a weak solution of water and vinegar. Dry the surfaces and remove any residue before using the device. Install the new door gasket by pressing the gasket into its seat, first on top, then bottom, then both sides.
  • Page 76 1. Turn the main power switch OFF and unplug the unit. 2. If a Bravo Water Reservoir Drain Kit is installed on the Bravo insert the end of the tube into an empty container and remove the plug from the tube.
  • Page 77 Cleaning the internal tank Bravo 2 1. Arrange an empty container on the floor near the sterilizer and insert the free end of the tube. 2. Insert the other end of tube in the quick-coupling marked “Service” positioned on the front as shown in the figure below.

  • Page 78: Bravo Distilled Water Reservoir Drain Kit Installation Instructions

    Installation Instructions Part #01-112320S Turn the main power switch OFF and unplug the unit. Go to the rear of the Bravo with an empty container and remove the plug to the clean water drain port. Note: As soon as the plug is removed water will come out of the port.
  • Page 79 Bravo, below the elbow fitting. Feed the drain tubing through the holder. Mount the second drain tube holder underneath the front of the Bravo below the H2O drain sticker. Make sure the orange plug is installed into the end of the drain tubing.

  • Page 80: Bravo Upgrade Kit Installation Instructions

    New Motor Remove covers Drain clean water & waste water reservoirs and turn Bravo on to its side or slide Bravo over the edge of a counter. Remove the plate on the bottom of the Bravo below the door motor.
  • Page 81 Open the door and press the arrow up key to exit this condition and start the self test Switch off the Bravo at the end of the self test and reinstall jumper X21 Switch the Bravo ON and run a sterilization cycle...
  • Page 82 Bravo Power Switch Replacement Instructions Old Power Switch New Power Switch When replacing the power switch connect the wires from the fuse holders to the top terminals of the switch and connect the wires to the filter board to the bottom terminals of the switch. White or blue wires (neutral wires) should be on one side of the switch and black or brown wires (positive wires) on the other side of the switch.
  • Page 83 Bravo Fuse Holder Replacement New Fuse Holder Old Fuse Holder When replacing fuse holders connect white & blue wires to one fuse holder and black and brown wires to the other fuse holder. Bravo Rear Leg Replacement Old Leg New Leg...
  • Page 84 Bravo Float Switch Replacement Instructions Old Float Switch (orange gasket) New Float Switch (black gasket) Remove cover Drain clean water & waste water reservoirs When replacing more than one float switch always complete installation of the first switch before removing the second switch so the wiring plugs do not get connected to the wrong terminals.
  • Page 85 Chamber Filter Fitting Replacement Old Chamber Filter Fitting New Chamber Filter Fitting Tubing Replacement Old Tubing New Tubing Replace tubing from water pump to steam generator and tubing from steam generator to chamber.

  • Page 86: Bravo Valves & Component Resistance Readings

    Valve mechanically connected to Vacuum Pump when ON. EV5 – Normally Open Valve is mechanically open when OFF. EV6 – Normally Closed Valve is mechanically closed when OFF. Bravo Components Resistance Readings Component Description Reading 86.5 Ω 86.2 Ω 47.7 Ω...

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