Fisher & Paykel Intuitive DE62T27GW, Service Manual

Page: 14 / 25

517762
14
7 DIAGNOSTIC MODE
7.1 Entering the Diagnostic Mode – Intuitive Model
To enter the Diagnostic Mode press and hold the Lifecycles button and then the Power button.
The machine will give 2 short beeps and the LCD screen will go blank. Make sure that the buttons
are released after the beeps.
Note: Provided the power supply to the machine is switched on, diagnostic mode may be
entered at any time.
7.1.1 Data Display
To enter the Data Display screens, push the Lifecycles button again. One of three displays will
appear in the screen (detailed below). To scroll through the different screens use the Options Up
or Down buttons.
Fault Status Screen
This screen will indicate the last fault code that
occurred. If a fault is registered the fault code is
saved to EEPROM, which retains its memory
even when the power is switched off. The fault
code will remain visible until another fault code
overwrites it.
Note: Fault codes 7b, 45, and 105 will be reset if
the power is switched off.
Machine Status Screen
Tacho:
This displays the position of the
drum. The displayed figure is
updated every five seconds and will
change as the drum revolves.
Exht tmp: This displays the temperature in
o
C
of the exhaust sensor.
Actuator: This displays the count of the
current draw of the actuator motor.
Tacho Err: During reversals of the drum there will often be a transient error because of uncertainty
of direction during the reversing process, but this should be corrected on the next
revolution.
Touch: This displays the impedance of the conductivity contacts, refer to Section 7.3.1
LED Cnt:
This is a measure of the infra-red light intensity required to sense the drum position. It
is normally about 14 but can range from 5 to 53.
Warning Status Screen
The last User Warning will be displayed on this
screen and will be displayed until another User
Warning overwrites it.