Ventis™ MX4 Product Manual
39 © 2014 Industrial Scientific Corporation
Replacing the Vibrating Motor (if needed).
1 Place the monitor’s case top face down.
2 Lift the vibrating motor from its partition. The partition has two sections divided by a ridge. Discard
the used motor.
3 To properly place the new vibrating motor, its contact pins face the user and align with the left edge
of the partition. (The motor’s movable component fits within the small section of the partition.)
4 Press into place.
Reassembling the Monitor.
1 Re-place the board assembly into the monitor’s case bottom. The LCD faces the user.
2 Re-place the monitor’s case top (or place its new case top).
3 Tighten the two captive screws on the upper portion of the monitor case bottom.
4 Re-place the monitor inside the pump module. The monitor is display side up and its logo readable.
Its lower exposed bottom portion covers the battery.
5 Tighten the four screws on the pump module bottom to secure the module to the monitor.
6 Close the pump module door; slide up to click in place.
7 Tighten the pump door screw to secure.
8 Dispose of the used sensor(s) according to company policy.
9 Perform a full calibration following the addition or replacement of any sensor, or the replacement of
the sensor water barrier or monitor case top.
DIFFUSION
Disassembling the Monitor.
1 Power-off the monitor.
2 Loosen the four captive screws on the lower portion of the case bottom (back of the monitor) to
remove the battery pack. Set aside the battery kit (or pack and cover if applicable).
3 Loosen the two captive screws on the upper portion of the case bottom.
4 Lift to separate the case top from the case bottom.
5 Remove the circuit board assembly.
6 Separate the main circuit board from the sensor board.
Replacing the LCD (if needed).
1 Grasp the sides of the LCD and lift straight up to remove.
2 To properly position the new LCD, align the pins on the LCD with their receptacles on the main
circuit board.
3 Gently press straight down and into place.
Replacing the Sensor(s) (if needed).
1 Identify the sensor to be removed.
2 Gently lift and remove the sensor.
3 To add the new sensor, align its pins or connector(s), with the respective receptacles on the board.
4 Press down. A slight click indicates the sensor is securely in place.
Replacing the Sensor Barrier (if needed).
To replace the sensor barrier assembly, follow instruction 1-5 below.
To replace the entire case top, including its sensor barrier, skip to the next instruction set, “Reassembling
the circuit board assembly and monitor.”
1 Observe the placement of the existing water barrier. Note that each cut-out is shaped to match the
sensor it protects.