Intellipuff Service Manual
Page 42 of 51
Issue D 27/02/2014
EP59-12317
calibration PC, a print out or the data can also be printed from the unit
itself.
3.
If Acceptable A, B, C & K values (green zone) can not be achieved,
change the Mainframe and PCB assembly
Solenoid Time Too Long
During calibration, while the program works out the best solenoid opening
time, it may report ‘Solenoid time too long’ once it completes the run, this
will stop the calibration process.
Suggested Solution:
1. Change the Valve/Reservoir assembly.
Keypad and Display
PL1 – Keypad Switch Connector: 6 way Molex Connector
Pin Number
Wire Colour Code
Assignment
Signal to Measure
1
Black
Vcc
5V
2
White
PBS1
-
3
Green
PBS2
-
4
Brown
PBS3
-
5
Yellow
PBS4
-
6
Orange
GND
0V
Pressing the keypad buttons shown in Figure 1 above should result in:
OD/OS Button:
should toggle the unit to Left/Right eye as signified by the
two green LED’s which come on after every press.
Demo (D) button:
this button should trigger the instrument to fire with audible
sound providing. It will also PUFF air if the pump is
switched ON.
Review (R):
This button can only be tested if the instrument has a
reading stored to Review. Else ‘0’ is displayed.
Figure 1. Keypad wiring