Service manual

FORM NO. 56043098 - Convertamatic
™
24C, 24D, 26C, 26D, 28C, 28D - 65
ELECTRICAL SYSTEM
MAIN CONTROL PROGRAMMING OPTIONS (CONTINUED)
Turning Fault Detection On or Off:
FACTORY DEFAULT: ON
Normally, the main control unit will perform checks of the electrical system during operation. If a fault occurs in a particular system, that system (and possibly others)
will be shut down. This can make troubleshooting the system diffi cult. This option will allow service personnel to disable some of the fault detection checks to
facilitate troubleshooting. This will not disable the over-current protection on any of the systems. To turn the fault checking on or off:
1 Turn the main power key switch to the off position.
2 Press and hold the scrub system off switch and the solution switch.
3 While holding both switches turn the main power key switch to the on position.
4 Continue to hold both switches until the solution indicator turns yellow.
5 Release both switches. The display will now display wrench icon on right top corner indicating fault detection mode. Another wrench (wrench with cross) will
be displayed on left top corner. Scrub off indicator will turn red.
6 Pressing and releasing the solution switch will now select between normal wrench icon for enabled or wrench with cross for disabled. Enabled means that the
fault checking is turned on, disabled means that the fault checking is turned off.
7 To save the new setting, press scrub off switch. The display will display key switch key asking user to reset the machine.
8 The new setting will be saved and will remain in effect until it is changed again.
Displaying the Control Unit Revision Level:
If it is desired to view the revision level of the control unit perform the following steps:
1 Turn the main power key switch to the off position.
2 Press and hold the scrub off switch and chemical switch.
3 While holding both switches until scrub off and chemical indicators turn green.
4 Release both switches.
5 The display will display the revision level of the control unit. Chemical indicator will blink in revision display mode.
6 To exit this mode, turn the main power key switch to the off position.
Scrub Deck Down Time Period Adjustment:
FACTORY DEFAULT: 4 SECONDS
When scrub on switch is pressed, the control unit will automatically lower the deck for 4 seconds. The time that the deck is lowered is adjustable from 3.5 seconds
to 4.4 seconds in .1 second increment. To adjust the scrub deck down time, perform the following steps:
1 Turn the main power key switch to the off position.
2 Press and hold the scrub on and the solution switch.
3 While holding both switches turn the main power key switch to the on position.
4 Continue to hold both switches until the scrub on green indicators and solution green indicator turn green.
5 Release both switches. The display will display scrub deck icon on right top corner and clock icon with number. Scrub on indicator will turn yellow and scrub
off indicator will turn red.
6 Pressing and releasing the scrub on will now select the time period. Each number represents .1 sec. 0 = 3.5 seconds, 1= 3.6 seconds.
7 To save the new setting, press scrub off switch. Key switch icon will appear on display.
8 Turn the main power key switch to the off positions.
9 The new setting will be saved and will remain in effect until it is changed again.