32
ELECTRONIC CONTROL SETUP INSTRUCTIONS
Diagnostic Codes
If the set-up mode is entered and one of the following has
previously occurred, the appropriate diagnostic code will be
in the display.
Dryer Display
Explanation
d 5
Blocked coin 1 or coin drop UI control
circuit failure (coin recognition and
customer display disabled while
blockage persists).
d 9
Voltage detected below 90 VAC for
8 seconds.
d 13
Blocked coin 2 or coin drop UI control
circuit failure (coin recognition and
customer display disabled while
blockage persists).
d 16
Not receiving communications from
installed debit card reader in Enhanced
(Generation 2) Debit mode.
F 01
Dryer motor control circuit error
(cycles and price display disabled until
diagnostic code is manually cleared).
The control doesn’t know if the motor
relay is bad (stuck on), the motor relay
drive circuit is bad (shorted), causing
the motor relay to stay on, or the
motor relay feedback circuit is bad.
F 22
Exhaust thermistor open, temperature
drops below 18°F (>50 kΩ) for 1
minute in Run mode, or immediately
in Factory Diagnostic Mode.
F 23
Exhaust thermistor shorted,
temperature above 250°F (<500Ω) for
1 minute in Run mode, or immediately
in Factory Diagnostic Mode.
F 70
UI is not receiving communications
from CCU (cycles and price display
disabled while error persists or is
manually cleared).
F 71
CCU is not receiving communications
from UI (cycles and price display
disabled while error persists
or is manually cleared).
F 73
UI Microprocessor is not able to read
or verify EEPROM (cycles and price
display disabled until diagnostic code
is manually cleared).
F 74
UI EEPROM memory is a CRC failure
(cycles and price display disabled until
diagnostic code is manually cleared).
Dryer Diagnostic Mode
This mode is entered by pressing COLORS/DELICATES for one
second while in either of the set-up codes 6.xx or 7.xx or with a
diagnostic code present. Diagnostic codes are cleared on entry
and all display segments should flash. If a diagnostic code
persists, it must be corrected before the diagnostic cycle
can be entered.
All Models:
With all segments flashing, the diagnostic cycle is started
by pressing the PERM PRESS button. The cycle consists
of 7 minutes of heat and 1 minute of cooldown.
The COTTON/WHITES button will increment the diagnostic
cycle minutes up to 99, then roll over to 2 minutes. The
COLORS/DELICATES button will cancel this cycle and
exit the diagnostic mode.
Dryer Help Mode
Dryer help mode is entered by pressing the COTTON/WHITES
button while in special pricing option 2.XX. In help mode, the
software revision is displayed. The help mode is advanced by
pressing the PERM PRESS button. See Help Mode Submenu
below for the order in which items are displayed. Press the
COTTON/WHITES button at any time to exit help mode.
Help Codes
Help Code
Description
71
Generation 2 debit card
cycle polling message out
of sequence.
74
Generation 2 debit card
remaining balance message
out of sequence.
75
Generation 2 debit card new
card balance message out
of sequence.
88
Invalid messaging state
found in data acquisition
communications comm_
suprv ( ) routine.
