Nilfisk-Advance Advolution 2710, Service Manual, Page: 49 / 60

FORM NO. 56043107 - Advolution
™
2710 / UHR 70-1700 - 49
ELECTRICAL SYSTEM
ADVOLUTION PROGRAMMING MODES
Fault Recall Mode / Revision Display:
Whenever an electrical system fault is detected by the main control unit, one or more error codes are displayed and stored by the control unit. If it
is desired, the error code (if any) from the previous operation of the machine can be recalled for troubleshooting purposes. To recall the last stored
error codes perform the following steps:
1 Press and hold the horn switch while turning the key switch on.
2 Continue holding the horn switch until the status display is scrolling the word “SELECT”.
3 Release the horn switch.
4 The status display should now be scrolling “FAULT RECALL”.
5 Press the pad switch to enter the fault recall mode. The display will change to “Err x” where x is a letter indicating the revision level of the
control box. This is not a control error code .
6 Release the pad switch.
7 If there are no error codes stored the status display will show “NONE”. Go to step 13
8 If error codes have been stored, the display will now show the error code(s).
9 To clear the stored error codes press and release the horn switch.
10 The display will now show “ERASE”
11 To clear the error codes press and release the horn switch one more time. To return to the error code display press and release the pad
switch.
12 If the pad down switch was pressed, the display will now show “NONE”.
13 To exit this mode turn the key switch off.
Service Test Mode:
To assist in the troubleshooting and servicing of the electrical system and related components on the Advolution burnishers, a special test mode
which allows independent control of the various outputs and monitoring of the various inputs has been incorporated. To enter the test mode
perform the following steps:
1 Press and hold the horn switch while turning the key switch on.
2 Continue holding the horn switch until the status display is scrolling the word “SELECT”.
3 Release the horn switch.
4 Press and release the horn switch once. The display status display should now be scrolling the word “TEST”.
5 Press and release the pad switch to enter the service test mode.
6 To exit this mode turn the key switch off.
Following is a detailed description of the service test mode functions:
Input Indicators:
Battery status red indicator:
Speed control reverse signal. This indicator will be lit if the reverse signal from the speed control is active.
Battery status yellow indicator:
Speed control forward/reverse signal. This indicator will be lit if the forward/reverse signal from the speed control is active.
Battery status green indicator:
Speed control status signal. This indicator will be lit if the status signal from the speed control is active. If a speed control fault exists, this indicator
will
fl ash the fault code from the speed control. Refer to the speed control section for details on these codes.